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HP Modular Cooling System Reference Guide

1. 35 A Water Outlet Temperature C ES Water Flow 40 mmn 3 A Water Vahe Closed 15 E3 Water System Integrity OK 3 Cycles Dweation 3653 s o Fan Speed Target 20 a ee 5 Updated 12 22 2006 11 17 31 E3 Cooling Module 1 Intake 23 C Exhaust 23 C Orpm Fas EJ Cooling Module 2 Intake 21 C Exhaust 23 C O rpm 16KW E Cooling Module 3 Intake 20 C Exhaust 22 C O cpm 8 Active Alarms or Warnings Server Cooling Parameter Function Server Intake Temperature Displays the average server intake temperature Average Server Exhaust Temperature Displays the average server exhaust temperature Average Coolin Displays the total heat removed by the water g play y Water Inlet Temperature Displays the temperature of the water coming into the MCS unit to be used to cool the servers Water Outlet Temperature Displays the temperature of the water after removing the server heat Water Flow Displays the water flow rate in liters or gallons per minute Water Valve Displays the water valve state Water System Integrity Displays the Leak Detected Alarm the Condensation Pump Warning and condensation pump activity e Cycles displays the number of times the pump runs e Duration displays the total amount of time the pump has run since it was last activated Fan Speed Target Displays the percentage of the maximum fan speed Web interface 9 Parameter Magnetic Door Lock Status Displays the door lock status e OK means the door lock
2. Door Opening Temperature Threshold Excessive Used to issue a warning if the condensation pump Moisture exceeds the permissible number of cycles within a 24 Condensation hour period Pump Cycles Warning Threshold Excessive Used to issue a warning if the condensation pump has Moisture run longer than the permissible running time Condensation Pump Running Time Warning Threshold Alarm Relay Used to enable or disable the alarm relay Audible Alarm Used to enable or disable the audible alarm Alarm Reset Used to enable the alarm to be reset automatically Auto or manually Manual Used to activate trap receivers 1 through 4 Server Intake Used to enter information that displays when a server Temperature Trap intake temperature trap is received Message Text Cooling performance parameter settings 45 J Modular Cooling System ge EN Sahel ESR ee te CEE Cooling System Cooing System EZKARA oe Teners Genera Network Warning Manual contro is for service and trowt eshooting only and is mot to be used in a production environment Management Accoutts s emperature Contre au C Wawa Configuration Save Restore fe Cc e Flow Meter Mode tyet C Type2 Mamun Fan Speed D s range 20 100 COCO oee aonr sree E e trange 2 20re sF Updates 1271 1 2006 11 34 58 Delle Temperehare for 100 Fen Speed 15 C range 3 40 C 6 7X F Cooling Liquid Heat Capecty cp Value Pure Water 4187 436 range 1900 99
3. P 16 63 199 122 egged in O12007 16 46 10 67 Admin P 16 101 146 178 logged cut 0206 2007 13 26 04 o Admi session P 15 101 145 178 terminated Timeout 0206 2007 13 26 04 Alarma and Warnings Updates 02 06 2007 09 14 12 Ne Actve Alarms Web interface 22 On the Event Log screen e Admin only Click Clear Event Log to clear the log files This function clears all of the log files and there is no way to recover the data after it is cleared e Click Refresh to update the screen with current log information Setup tab Menu options listed under the Setup tab include e Cooling System menu Cooling System on page 23 e General menu on page 32 e Network menu on page 33 e Management menu on page 34 e Accounts menu on page 37 e Configuration Save Restore menu on page 38 These menu options enable the Admin to configure the settings for the management module The Setup tab and all menu options are not available to User accounts Cooling System Click Cooling System in the left navigation frame to access the Cooling System screen This screen enables the Admin to configure cooling system settings for the management module The Cooling System screen contains the following e Intake Temp tab on page 24 e Alarms Warnings tab e Advanced tab on page 29 e Timers tab Web interface 23 Intake Temp tab This screen enables the Admin to change server intake temperature settings
4. Alarms Aguanas he cooing ar Bow provines by Ne UCS unt Aa Temoereture tab earn menseges corms annos led DIONE me COSG BT NOW proveo Dy Te LD une c Costs HP SF to recere tapsa Jpdetes 15206 07 IES Configu ng De metazemet mode o seed bape to M SM Costp en Ja Reriore meru D WoActve Aucme_ Losing par Tormarce paren etere Coeling ar few sappurc by the MICS unt CE Deta jempersisre and fan Speed Control Voce Serve ntahe Teme Server Exhavii Tero Danevereg Te maeajement moaste t Even Log nens r FTP aaen anc User paasworts G General rens M Web interface 42 Upgrading the tirmware In this section Upgrading the HP Modular Cooling System firmware cccccccccseseccessceseeeeecesaeecseeeccnaeeeseaeeecsaeeeeeseeeeneeees 43 Upgrading the HP Modular Cooling System firmware The MCS unit must have the latest firmware to work properly To upgrade the firmware 1 Access the HP website http www hp com 2 Click Software amp Driver Downloads 3 Ensure that the Download drivers and software and firmware option is selected 4 Type Modular Cooling System in the product name field and then click Search If any firmware upgrades are available they will display on this page Instructions to perform the upgrade are included in the download pack Upgrading the firmware 43 Cooling performance parameter settings In this section Cooling performance parameter settings overview Cooling performanc
5. HP SIM automatically detects management modules as part of the device discovery process If detected a hyperlink is included on the HP SIM Links page for the HP Modular Cooling System on which the management module is installed The management module should be installed and running before attempting discovery through HP SIM If a link to the HP Modular Cooling System on which the management module is installed does not appear on the device home page in Systems Insight Manager Systems Insight Manager integration 49 1 Locate the additionalwsdisc props file in the CONFIG directory in the Systems Insight Manager install directory By default Systems Insight Manager is installed in the C Program Files HP System Insight Manager directory 2 Create a management module entry in the additionalwsdisc props file For more information on editing the additionalwsdisc props file see the additionalwsdisc txt file located in the same directory Example The additionalwsdisc props file with a management module entry NOTE See AdditionalWsDisc_ README txt for a description of entries in this file and how to add or remove additional web server ports for discovery and identification The following are actual web server ports enabled by default To remove them from the discovery process comment out the line with a or remove it You will need to restart the HP SIM service for the changes to take effect In addition you will need to run the Devic
6. MCS unit operates automatically according to the settings you have assigned to the following parameters o Flow Meter Model NOTE If you have the Type 2 flow meter your MCS unit will have a label on the inside of the back door For more information on the flow meter model label see the HP Modular Cooling System User Guide o Minimum Fan Speed o Delta Temperature For Minimum Fan Speed o Delta Temperature For 100 Fan Speed o Cooling Liquid Heat Capacity e Temperature Control Manual mode Used to verify the water flow rate after the cold water supply has been connected When the water flow rate has been validated use the Auto mode setting In this mode the MCS unit operates manually according to the settings you have assigned to the following parameters o Fan Speed Target o Water Valve State Cooling performance parameter settings 48 Systems Insight Manager integration In this section Systems Insighk Manager BRIS occa cence csintistneeaendhinRee aunties 49 Discovering Ihe manggemeni Module oiscs ca ssesaicridrnrcnncisntinsssraasasacaninnsriaieleaitianidiniaeemecmesidmuaieaies 49 Canioning HP SiNi recciwe Non apres rne EAT 50 Configuring the management module to send traps to HP SIM cssccesseseeeeseeeeeeeeeeceaeecnaeeeneeeeeestaeeneeeeaes 51 Systems Insight Manager overview Use HP Systems Insight Manager to e Discover management modules As part of the discovery process HP SIM can detect an installed managemen
7. Select Enable to allow the audible alarm to sound when an alarm is generated o Select Disable to not allow the audible alarm to sound when an alarm is generated 7 Select to enable or disable the reset alarm relay function in the Alarms Warnings tab using the Alarm Relay Options radio buttons o Select Enable to allow the alarm relay function when an alarm is generated o Select Disable to not allow the alarm relay function when an alarm is generated 8 Select to close open or turn off the alarm relay options from the Alarm Relay Options radio buttons o Select Close so that the alarm relay disconnects a circuit normally closed upon alarm activation o Select Open so that the alarm relay completes a circuit normally open upon alarm activation o Select Off so that the alarm relay is not activated normally open upon alarm activation 9 Enter a range for the web page automatic refresh interval in the Web Page Automatic Refresh Interval field 10 Do one of the following o Click Save Settings to save the information Web interface 32 o Click Clear Alarms to clear the alarms NOTE To clear the condensation pump cycles warning click Cooling System in the left navigation frame to access the Cooling System screen and then click the Alarms Warnings tab Under the Warnings section set Alarm Reset to Manual and click Save Settings Then return to the General menu and click Clear Alarms This step only clears the warning whe
8. access the Console Server where port X is the port where the MCS unit is serial interface connected through a_ connected HP 16 and 48 Port Serial Console port x set out If strip Server port x set flow Xonxof Why are FTP admin and user logins Only FTP file uploads are recorded in the FTP log not recorded in the FTP log Can assign the SSL default port 443 Yes you can configure any port including port 443 as a non SSL port Why is the configuration file when The configuration file is restored in another directory restored not appearing in the FTP upload directory Why are active alarms appearing The alarms are updated every 30 minutes If you power cycle the after power cycle my management management module in between this time frame the alarms are still module active and appear After power cycling the first time clear the alarms wait 30 minutes and power cycle again Frequently asked questions 53 Why are my event log and The event log and alarm log are not formatted to be downloaded alarm logs not formatted correctly in bin mode Use ASCII mode when download them in bin mode ls there a confirmation that my system No there is no confirmation that the system is being restarted is being restarted after select the Restore to Factory Defaults or Restart buttons or after restore a configuration Why is the web browser not SSL might be enabled Enter ht tps hostname port numbe
9. caused the alarm to trip Condition The High Temperature Emergency Door Opening Threshold has been exceeded Solution 1 Verify water supply and verify the MCS unit is receiving water 2 Verify that the High Temperature Emergency Door Opening Threshold is not less than 5 C 9 F above or more than 20 C 36 F above the Server Intake Temperature Set Point or that it is not below the Water Flow Loss Emergency Door Opening Temperature Threshold Web interface 18 3 Adjust the temperature in the Server Intake Temperature Set Point or the Water Flow Loss Emergency Door Opening Temperature Threshold fields to prevent false alarms iy IMPORTANT Use caution when entering temperatures in the Emergency Door Opening fields Setting the temperature thresholds too low might cause the MCS unit to shut down The condensation pump has exceeded x cycles Actual operator display alarm Excessive Moisture message Actual web interface alarm The condensation pump has exceeded x cycles message Condition The water level has exceeded the permissible level of the condensation pump sensor Solution 1 Look for leaks or determine if condensation is the cause 2 If no leaks are found adjust the temperature in the Excessive Moisture Condensation Pump Cycles Warning Threshold field 2 IMPORTANT Use caution when entering temperatures in the Condensation Pump Threshold fields Be sure to determine the proper default settings to preve
10. for the management module J Modular Cooling System Es ss a nome tops ies Updates 12 20 2006 11 18 31 Me Active Auer Server reste Temperature Set Port Mysteress Vale High Texperature Threstots Warning Temperature Threshod Low Temperature Threshois Water Flow Loss Emergency Door Opening Temperature Threstot High Temperature Emergency Door Opening Threshaid Condensation Pump Cycies Warming Threshoid Condensation Pump Running Time Warming Tresno Alarm Reay Auonie Aarm Alarm Reset Trap Receiver Server kiste Temperature Trap Message Text To change the server intake temperature settings 2 C Range 10 30 C 50 56 F P c Range 0 10 C 0 18 F 2 ee Range 10 49 C 0 100 F Po Range 10 40 C 0 106 F R c Range 2 20 C 26 06 BS Range 20 40 C 06 106 3s C Range 30 40 C 06 104 F Re Cycles Range 1 99 cycies Orcinabied 120 Seconds Range 1 3000 sec O dnabied Enade Dwadie G auto C Manusi Wi F2 F3 FG Ferorratre h Cm 1 Enter a server intake temperature set point in the Server Intake Temperature Set Point field 2 Enter a temperature range in which the server intake temperature can vary in the Hysteresis Value field 3 Enter a maximum air temperature at which a critical alarm is issued and a trap is sent if the server intake temperature is exceeded for the High Temperature Threshold field 4 Enter an air temperature at which a warning is issued a
11. is functioning properly and the door magnet is engaged Doors Released means there is an emergency door condition and the door magnet has released the doors Cooling Module 1 2 and 3 Displays the Server Intake and Server Exhaust temperature and the RPM of each cooling unit Alarms menu Click Alarms in the left navigation frame to display the Alarms screen The active alarms are listed by the date and time at which the alarm most recently occurred The active alarm is removed from the Alarms screen when cleared but is recorded in the Alarm Log The following information appears for each alarm e Severity An icon indicating the severity or status of the alarm Critical Warning Normal Unknown or Information e Description of Alarm The name of the alarm For more information on the alarm description see Warning and alarm messages on page 10 e Date Time The date and time at which the alarm occurred as or arm nate Te aieeaii Alarms and Warnings Updated 10 24005 143973 On the Alarms screen click Refresh to update the screen with current information Warning and alarm messages The following tables describe the possible warning and alarm messages that are sent to the management module from the MCS unit and appear on the operator display and on the web interface Alarms menu and Alarm History menu Fan unit failed Web interface 10 Actual operator display alarm Top Mid
12. low message Condition Average server air temperature is lower than the temperature assigned in the web interface Intake Temp tab on page 24 Low Temperature Threshold field Solution 1 Verify water flow matches specifications required for heat load Verify whether the water temperature is below the expected range Adjust the temperature assigned in the web interface Intake Temp tab on page 24 Low Temperature Threshold field 4 Contact your building supervisor Temperature above threshold Warning Temperature Threshold field Actual operator display alarm Temperature Too high message Actual web interface alarm Temperature too high message Condition Average server air temperature is above the temperature assigned in the web interface Intake Temp tab on page 24 Warning Temperature Threshold field Solution 1 Verify water flow matches specifications required for heat load Verify whether the water temperature is above the expected range 3 Adjust the temperature assigned in the web interface Intake Temp tab on page 24 Warning Temperature Threshold field 4 Contact your building supervisor Emergency Door Opening due to Water Flow Loss 0 l min 36 34 35 C 0 gal min 97 93 95 F Actual operator display alarm Emergency Door Flow message Web interface 17 Actual web interface alarm Emergency Door Opening due to Water Flow Loss O l min message 36 34 35 C 0 gal min 97 93 95 F Note
13. o Select Auto to allow the alarm to be turned off automatically if the condition returns to a valid range after an alarm is generated o Select Manual to allow the alarm to be turned off by clicking Clear Alarms in the Setup gt General menu The alarm can also be cleared by pressing the C key on the management module after any alarm is generated 4 Select the checkbox to deactivate the scheduled alarms for trap receivers 1 through 4 Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes Advanced tab This screen contains the Temperature Difference for Heat Load Warning field This field is used to adjust the heat load temperature which is the temperature difference between the highest and lowest Server Exhaust Temperature If the heat load temperature difference varies by more than this setting then a Heat Web interface 29 load warning appears in the operator display and a Heat Load Warning appears in the web interface Setting the value to O disables the warning When the MCS unit is in Auto mode the Fan Speed Target and Water Valve fields are not available _ C Cooling System Cooing System CORECT aoe Tuners Genera Network Warning Manual contro is for service and troubleshooting only and is mot to be used in a production environment Vansgerent Accoutts 7 Temperature Control fam C Wawa Configuration Save Restore EE e e Flow Meter Mode G type ty
14. occur if you issue your own certificate and it has expired e The name on the certificate does not match the name of the site in the browser address field For more information about security considerations see Security considerations overview on page 52 Establishing a secure session for Internet Explorer The first time you browse to the management module the Secure Session screen appears To ensure a secure connection verify that you are browsing to the desired management module 1 Click View Certificate 2 Verify that the name in the Issued To field is the name of your management module 3 Perform any other steps necessary to verify the identity of the management module Z CAUTION If you are not sure this is the desired management module do not proceed Importing a certificate from an unauthorized source relays your login credentials to that unauthorized source Exit the certificate window and contact the system administrator After verifying the management module do one of the following e Import the certificate and proceed a Click View Certificate The certificate appears b Click Install Certificate The Certificate Import wizard runs Web interface 27 c Click Next The Certificate Store screen appears d Select Automatically select the certificate store based on the type of certificate and click Next e Click Finish A message appears asking for verification of the root store f Click Yes Proceed
15. web interface using the new IP address or hostname Se eS ee r Continue to the next section To configure the network settings Web interface 33 NOTE When DHCP is enabled the IP Address Network Mask and Default Gateway fields are not available 1 Select to enable or disable NTP from the Network Time Protocol NTP radio buttons 2 If you enable NTP a Enter the IP address of the primary NTP server in the Primary NTP Server field b Enter the IP address of the secondary NTP server in the Secondary NTP Server field NOTE If NTP is not enabled selecting a time zone from the NTP GMT Offset dropdown box changes the system clock by the hours offset Select the time zone from the NTP GMT Offset dropdown box a 2 Enter the number of hours that should pass between each date and time update in the NTP Update Frequency field e Proceed to step 4 3 If you do not enable NTP a Enter the date in the Date field on the General menu on page 32 b Enter the time in the Time field on the General menu on page 32 c Enter the date for DST to begin in the DST Begin field d Enter the date for DST to end in the DST End field e Proceed to step 4 4 Doone of the following o Click Save Settings to save the information o Click Cancel to undo the changes Click Ping to test the network connectivity to another device IP address Management menu Click Management in the left navigation frame to access the Managemen
16. without importing the certificate by clicking Yes at the Security Alert window You continue to receive the Security Alert each time you log in until you import the certificate Your data is still encrypted Exit and import the certificate into your browser from a file provided by the administrator a Click No at the Security Alert window b Obtain an exported certificate file from the administrator NOTE If using Internet Explorer you can manually import the file into the browser by clicking Tools gt Internet Options gt Content gt Certificates gt Import Establishing a secure session for Mozilla The first time you browse to the management module the Secure Session screen appears To ensure a secure connection verify that you are browsing to the desired management module 1 2 3 4 Click Examine Certificate Verify that the name in the Issued To field is the name or IP address of your management module Perform any other steps necessary to verify the identity of the management module After verifying the management module do one of the following a Click either Accept this certificate permanently or Accept this certificate temporarily for this session b Click OK NOTE If using Mozilla you can manually import the file into the browser by clicking File gt Preferences gt Certificates gt Privacy amp Security gt Manage Certificates gt Authorities gt Import Web interface 28 Alarms Warnings tab This screen ena
17. 1024 x 768 16 bit high color maximize browser window for optimal display Desktop resolution SLES 9 Mozilla 1 6 1 Right click the mouse and select Configure Desktop Select 1152 x 864 Select 75 Hz Overview 5 Web interface In this section Using ihe web WR iaee eee ena ee 6 TE a AEE A EE TE veer E stent EEE TTE ATT ET ETETE T A Pett 8 PETES A AEE E T A sid duc A ANAA O TAT T EITE E T 21 Alami Hion meni eussncnscn a RE eia aa 21 O I E RN AERA BET E E N ARE A A r A A EETA A E cesses A N N AE E A EAE 23 SA E E E E E E E E aad cI 39 Using the web interface The web interface is divided into three frames e Top frame Contains a Sign Out hyperlink and the Home Logs Setup and Help tabs o Click Sign Out to log out of the web interface o Click Home to see the menu options for viewing general status information For more information see Home tab on page 8 o Click Logs to see the menu options for displaying data logs For more information see Logs tab on page 21 o Click Setup to see the menu options for configuring the management module and setting up and modifying user accounts For more information see Setup tab on page 23 o Click Help to access the web interface information and help section For more information see Help tab on page 39 e Left navigation frame Contains a list of menu options a list of alarms and warnings and a legend o The options menu is dynamic and the options liste
18. 49 T tab Advanced 29 tab Help 39 tab Home 8 tab Intake Temp 24 tab Logs 21 tab Setup 23 tab Trap Receivers 35 50 51 temperature 46 47 48 Temperature above threshold Warning Temperature Threshold field 10 Temperature below threshold Low Temperature Threshold field 10 Trap Receivers tab 35 50 51 U Uneven heat load 10 updating 43 W Warning and alarm messages 10 Water flow sensor is not working properly 10 Water flow valve is closed 10 Water temperature input is out of range 10 Water temperature output is out of range 10 web interface 6 web interface requirements 5 Index 58
19. 5 2 Configure the management module to send alert notifications to HP SIM Systems Insight Manager integration 51 Security considerations In this section Security cansiderolions OVE E Warineriin ninaa a a a a a 52 Security considerations overview The management module implements strict security for two important reasons e The module manages devices that have the potential to perform operations that are sensitive and destructive e The management module has browser accessibility To better ensure the security of the management module and the devices it manages consider the following topics in accordance with your organization s security policies and the environment in which the module will operate e Remote access to the management module requires a user account Logging in requires the use of a user name and password which should be kept properly secured e Each account can be given different access levels providing different capabilities Ensure that the appropriate access level is granted to users e Browsing to the management module can be done using SSL which encrypts the data between the browser and management module The module is supported by a 128 bit encryption level SSL also provides authentication of the management module by means of its digital certificate Securely importing this certificate must be done to ensure the identification of the management module Security considerations 52 Frequently
20. 99 WskgK Mo Active Aarma Temperature Difference for Heat Load Warning 0 C range 0 off 218 C 27 F Save Settings Settings Door Opening Test Opening Test Cancet 2 IMPORTANT Temperature Control Manual mode is for service and troubleshooting only and is not to be used in a production environment Parameter Funcion O O Temperature Used in Auto mode to determine if the MCS unit operates Control in Auto mode or Manual mode Fan Speed Target Used in Manual mode to increase or decrease the fan speed Water Valve Used in Manual mode to close or open the water valve in Manual mode Flow Meter Model Used in Auto mode to select the water flow meter that is installed in the MCS Minimum Fan Used in Auto mode to set the lowest fan speed in Auto Speed mode Delta Temperature Used in Auto mode to set the maximum delta for Minimum Fan temperature when the Minimum Fan Speed will be used Speed Delta Temperature Used in Auto mode to set the minimum delta temperature for 100 Fan when the 100 Fan Speed will be used Speed Cooling Liquid Used in Auto mode to calculate the energy extracted by Heat Capacity the air to water heat exchanger unit This value for pure Cw Value water is 4 187 Ws kg and can be a lower value if additives are included in the water Delta temperature Server Intake Temp Server Exhaust Temp Delta temperature is calculated from the temperature difference between the server intake tempe
21. Address Displays information entered in the Setup gt Network gt IP Address field On the Identification screen click Refresh to update the screen with current information Logs tab Menu options listed under the Logs tab include e Alarms History menu e Event Log menu The Alarms History and Event Log screens display up to 150 of the most recent alarms and events You can archive logs by periodically downloading them using FTP after FTP is enabled in the Management gt Remote Access tab The alarm history and event log files are located in the download directory Every file uploaded and downloaded using FTP is recorded in the FTP log which is also located in the download directory To enable FTP see the Remote Access tab To view FTP Admin and FTP User privileges and assign passwords to open each account see the Accounts menu on page 37 Alarm History menu Click Alarms History in the left navigation frame to display the Alarm History screen The alarms are listed by the date and time at which the alarm event most recently occurred The following information is displayed for each alarm e Severity An icon indicating the severity or status of the alarm Critical Warning Normal Unknown or Information e Status The status of the alarm either Active or Cleared e Description of Alarm The name of the alarm For more information on the alarm description see Warning and alarm messages on page 10 e Date Tim
22. HP Modular Cooling System Web Interface User Guide en os Part Number 403358 002 February 2007 Second Edition Copyright 2006 2007 Hewlett Packard Development Company L P The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 211 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license Microsoft and Windows are U S registered trademarks of Microsoft Corporation Contents SI eae Satis cx tic ilein NEER ERER cut Gales EREEREER ERER E EREEREER EERE EREEREER ERE EREEREER itesineiies 5 Introduction soe bsna iea EE EEEE NE ATERS EARE E EE EERE ON A AEEA EAE A EA 5 Web interface requirements ccccccccessscscesessccesseseceeeceseseeeeeeeeeeseaeeesesaseeecessseeeesesaaeeeseseaeeseeseneasen ss 5 a e E E A enn re T E E EE eer E E T E E enre eters 6 Using the web interface 4 wssnyccraarisiadanvescaxdiaveaibensbeaxansandsapiaveveaanianatipianie casrblaeiadansie csarei
23. Seip tab Ci Helio ls scores De we htertace eformion and tet pochon Lett navigation frame Corteas s into mer options eit of sarne aod warnings med e ogos The cotiers menu t dynamic acd Me opters isied charge depending on be ied seecied ani yout access ghis The Bt of swm ond wrarninge Gapliys the Mchidual strm talus for osca managed MCS uit The graphical nficator Geptys the number of eT Gh OFS EE PSyTS OT ten y Pe ee sever sarm The Get omi tre of oe na update S ase Hoe The egent dapay he meeng of symbos used N Pe mtertece Lapana ind Colapse the legent Dy cbching Pe arrow a the wer ngat comer Main framne Cortans he varevs wet iie foce 1creees based on Ne mene opten seecied n he ell ese gabon Yare Jpdened S208 09 35 8 Tobie of Contents tee Active Alarms and Legend display panel ESEE o conti Act Am sep sy a een Be VCS ued meyer te vor S UU DLs mery wre un oF te rate ower Fre Can Ue uayerniiey be Be event Geptey h 7e Arin Aloe caplay pare The cescrotens of me alarms Gspley A De Alarma menu ai wel asn ine Sam stor meru a he Legend Guplry he Cescreton ler tefomng bve cons Grape when s Satwnetet anot operite at a somal cosditen asc must te vest pated Web interface 41 Index menu Click Index in the left navigation frame to display the Index menu This menu provides a list of the links to help topics gatets ASCOLFGHUKLMNOPORSTUVWXYZ Ss accounts men Active aanre aae ew Cre ts
24. The interface alarm message displays the temperatures of the top middle and bottom fans so you can see which temperature has been exceeded and caused the alarm to trip Condition The Water Flow Loss Emergency Door Opening Temperature Threshold has been exceeded or the water flow is less than 2 I min 5283 gal min Server Intake Temperature Water Flow Meter Solution 1 Verify water supply and verify the MCS unit is receiving water Verify that the water flow is at least 2 min 5283 gal min or greater 3 Verify that the Water Flow Loss Emergency Door Opening Temperature Threshold is not less than 5 C 9 F above or more than 20 C 36 F above the Server Intake Temperature Set Point 4 Adjust the temperature in the Server Intake Temperature Set Point or the Water Flow Loss Emergency Door Opening Temperature Threshold fields to prevent false alarms iy IMPORTANT Use caution when entering temperatures in the Emergency Door Opening fields Setting the temperature thresholds too low might cause the MCS unit to shut down Emergency Door Opening due to High Temperature 35 36 38 C 95 97 100 F Actual operator display alarm Emergency Door Heat message Actual web interface alarm Emergency Door Opening due to High Temperature 35 36 38 C message 95 97 100 F Note The interface alarm message displays the temperatures of the top middle and bottom fans so you can see which temperature has been exceeded and had
25. age Text field Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes Web interface 25 Remote Access tab This screen enables the Admin to enter information for remote access to the management module GJ Modular Cooling System Yc se nme COs Management General as ar fo Boedetaut Range 1 68535 Accoutts fio Conftguraten Save Restore C Enavie Dsabie SSL Key o g zi G thavie C Dmadie MTTP Console Session Timeout E tomona gt Ure one CO EZE No Active Alsems To enable SSL 1 Select to enable SSL using the SSL radio button 2 Click Save Settings A new HTTPS URL appears on the operator display 3 Log in to the web interface using the new IP address or hostname using the https hostname port number format 4 Enter the port number to use HTTPS in the HTTPS Port field A default self signed SSL certificate can be used or you can enter your own certificate The default certificate is used if another certificate is not entered You can also enter your own SSL and private keys in the following format Click Save Settings Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes To disable SSL 1 Select to disable SSL using the SSL radio button Web interface 26 2 Enter the port number to use HTTP in the HTTP Port field 3 Do one of the following o Click Save Settings
26. ake temperature provided by the MCS unit The management module constantly compares the server intake temperature to the range calculated from the Server Intake Temperature Set Point and the Hysteresis value Cooling performance parameter settings 47 e If the server intake temperature is above the Server Intake Temperature Set Point the water valve opens if not already opened and cold water enters the heat exchanger units e If the server intake temperature is below or equal to the Server Intake Temperature Set Point minus the Hysteresis value the water valve closes if not already closed e Ifthe server intake temperature is between the Hysteresis value the water valve remains unchanged from its previous state Setting and controlling the server intake temperature To adjust the Server Intake Temperature 1 Click the Setup tab on page 23 click the Intake Temp tab on page 24 and enter a Server Intake Temperature Set Point 2 In the same tab enter a Hysteresis value Start with a 2 C 3 6 F difference Temperature Control settings On the Advanced screen the administrator can change the temperature control modes for the management module 2 IMPORTANT Temperature Control Manual mode is for service and troubleshooting only and is not to be used in a production environment e Temperature Control Auto mode Used for operating the MCS unit after a satisfactory water flow rate has been obtained In this mode the
27. anagement module analyzes measurements provided by each cooling module generates any necessary warning or alarm messages and sends them to the web interface When a new warning or alarm occurs the warning and alarm messages on page 10 appear on the operator display as well as on the web interface Alarms menu Alarm History menu and an SNMP trap is sent to up to four trap receivers Trap Receivers tab on page 35 An alarm relay is also activated if enabled and an alarm is signaled acoustically by the MCS unit internal beeper if enabled in the appropriate web interface menu For more information on connecting an alarm device to the management module alarm relay see the HP Modular Cooling System User Guide The web interface on page 6 displays various measurements and warning and alarm messages on page 10 from the management module Also various system values can be set through the web interface and sent to the management module The MCS unit can be monitored with HP SIM For more information see HP Systems Insight Manager integration Web interface requirements The following table lists the minimum requirements necessary to operate the web interface Software Browser Web browser on a client Microsoft Internet Explorer 6 0 with Service Pack 1 32 bit only Red Hat Linux operating system 32 bit only Mozilla 1 4 SUSE LINUX operating system 32 bit only Mozilla 1 6 Monitor resolution Minimum supported resolution of
28. asked questions In this section Fieguenmiy asked GU OE i fiacreseatna ieee eae RE maimost 53 Frequently asked questions How many user sessions are Only one user session is supported at a time Sessions can be supported at one time terminated if a second session is initiated or if a console session timeout occurs How many Admin sessions are Only one Admin session is supported at a time Sessions can be supported at one time terminated if a second session is initiated or if a console session time out occurs Why does my Admin session keep If a second Admin session is initiated the existing session is getting disconnected terminated and the login screen appears Why can I not login using my FTP FTP Admin and Users are blocked until the Admin assigns user name and password passwords and FTP is enabled in the Management menu of the Remote Access tab How do upgrade my firmware For more information see the Support Pack instructions included with the firmware upgrade How do I change the management You can change the management module through the Network module IP address menu on page 33 or through the serial interface For more information on changing the management module IP address through the serial interface see the HP Modular Cooling System User Guide on the documentation CD included with is kit Why do get an extra line feed sent You must assign this command to the HP 16 and 48 Port Serial from Windows when
29. bles the Admin to change alarm and warning settings for the management module J Modular Cooling System ie La CEE Cooling System ene wseters i R timers General Alarm Relay Enabie C Disable y bie Alarm C Enade Disabie Configuration Save Restore Aarm Reset Asto C Manual Trap Receiver Wi F2 F3 We Alarm Raley G Enable C Disadie COC e C ase oeme Aarm Reset Ce Updates 027062007 05 14 12 Bonn EA Trap Recerver Wi M2 Fa We oe om L To change the alarm and warning settings 1 Select to enable or disable the alarm relay from the Alarm Relay radio buttons This setting affects all alarms and warnings except for the Server Intake Temperature o Select Enable to allow the alarm relay when a temperature alarm is generated o Select Disable to not allow the alarm relay when a temperature alarm is generated 2 Select to enable or disable the audible alarm from the Audible Alarm radio buttons This setting affects all alarms and warnings except for the Server Intake Temperature o Select Enable to allow the audible alarm to sound when an alarm is generated o Select Disable to not allow the audible alarm to sound when an alarm is generated 3 Select to allow the alarm to be reset which also resets the audible alarm and alarm relay automatically Auto or manually Manual from the Alarm Reset radio buttons This setting affects all alarms and warnings except for the Server Intake Temperature
30. d change depending on the tab selected and your access rights o The list of alarms and warnings displays the individual alarm status for each managed MCS unit The graphical indicator displays the number of active alarms and displays the icon for the most severe alarm The date and time of the last update is also indicated o The legend displays the meaning of symbols used in the interface Expand and collapse the legend by clicking the arrow in the upper right corner Web interface 6 e Main frame Contains the various web interface screens based on the menu option selected in the left navigation frame ti om EG Modular Cooling System e ze mwe Server intake Temperature Average 21 C 5 Sener Exhaust Temperature Awerage 22 C Cooling 16 kW F Water Inlet Temperature C 35 A Water Outlet Temperature C ba Water Flow 40 Vimin p A Water Vake Closed 15 Water System Integrity OK 3 Cycles Dweation 3653 s Di Fan Speed Target 20 a ee S 5 Updated 12222005 11 17 31 EJ Cooling Module 1 Intake 23 C Exhaust 23 C 0pm o E3 Cooling Module 2 Intake 21 C Exhaust 23 C Orpm 16 KW El Cooling Module 3 Intake 20 C Exhaust 22 C Oepm 8 Active Alarms or Warnings Server Cooling C ittoke Tem J Petrean Active Alarms and Legend display panel Each tab in the web interface contains an Active Alarms and Legend display panel When the MCS unit experiences a critical warning normal unknown or
31. ding supervisor 4 Contact HP or see the HP website http www hp com Water flow sensor is not working properly Actual operator display alarm Water flow Sensor message Actual web interface alarm Water flow Sensor Value Out of Range message Solution 1 Verify the water supply 2 Contact HP or see the HP website http www hp com Water flow valve is closed Actual operator display alarm Water Valve message Actual web interface alarm Water Valve Failed message Solution Water flow valve is closed and water flow is detected Web interface 14 1 Verify the water valve is closed 2 Contact HP or see the HP website http www hp com Leak detector sensor is not working properly Actual operator display alarm Leak detector message Actual web interface alarm Leak detector Failed message Condition Leak detector sensor is not working properly Solution Contact HP or see the HP website hitp www hp com Uneven heat load Actual operator display alarm Heat Load message Actual web interface alarm Heat Load Warning message Solution 1 Verify that nothing is blocking the heat path 2 Verify that the server is loading 3 Adjust the Temperature Difference for Heat Load Warning in the Advanced tab on page 29 Heat overload condition High Temperature Threshold field Actual operator display alarm Temperature Warning message Actual web interface alarm Tempera
32. e The date and time at which the alarm occurred NOTE Under the Description of Alarm column temperatures that display in the logs are out of range Web interface 21 Awmietory Status Deseription of Alarm Oste Time frei Leg Temperature to high 2 C 127202006 11 1831 Active Temperature tos high 26 C 12202006 11 1816 x Active Temperature tos low C 12202006 11 1816 Alarma and Warnings Updated 12202096 11 18 31 No Actve Alanrs On the Event Log screen e Admin only Click Clear Alarm History to clear the log files This function clears all of the log files and there is no way to recover the data after it is cleared e Click Refresh to update the screen with current log information Event Log menu Click Event Log in the left navigation frame to display the Event Log screen The events are listed by the date and time at which the event most recently occurred The following information is displayed for each event e Severity An icon indicating the severity or status of the alarm Critical Warning Normal Unknown or Information e Description of Event The name of the event e Date Time The date and time at which the event occurred Es Eee CE Event Log z ameiakinansi B Admi P 16 83 199 132 topped in eon12007 180138 o Admi P 16 83 199 132 logged ost O21 1 2007 17 1136 67 Admit session P 16 63 199 122 terminates Tineost O2 1 1 2007 17 1138 oe Admiri
33. e Identification task to find any new ports that were defined 411 Director Agent true false http 3201 Compaq TaskSmart true false https 8008 Default Home Page true false http 1311 Server Administrator true false https 1234 HP Modular Cooling System true false https The last entry allows System Insight Manager to detect management module installations that are running on port 1234 and using HTTPS Contiguring HP SIM to receive traps Before HP SIM can receive traps the correct MIB file cpqwcrm mib must be compiled into HP SIM To register the MIB 1 Copy the MIB file from the MCS documentation CD MIBs folder to the HP Systems Insight Manager mibs folder 2 From the HP Systems Insight Manager mibs folder run mcompile cpqwcrm mib from the command line to compile the new MIB file A new file named cpqwerm cfg is created 3 Register the new MIB file by entering mxmib a cpqwcrm cfg from the HP Systems Insight Manager mibs command line 4 Enter HP Systems Insight Manager mibs gt mxmib at the command line and verify that the new MIB file is listed NOTE For more information on uploading and registering a MIB in HP SIM refer to the HP Systems Insight Manager Technical Reference Guide located on the HP Management CD Systems Insight Manager integration 50 Configuring the management module to send traps to HP SIM 1 Add the HP SIM server as an SNMP trap recipient on the Trap Receivers tab on page 3
34. e changes You can save the configuration and then restore the same configuration on multiple management modules The IP address must be set individually on each unit through DHCP or the serial interface before the replication can be performed To replicate a configuration to multiple MCS units save the configuration file 1 Configure the settings through the web interface 2 From the Setup tab on page 23 select Configuration Save Restore 3 Click Save Configuration Browse to where you want to save the configuration file To restore the saved configuration file NOTE Restore only configuration files that have been saved from a MCS unit 1 At the new unit where you want to restore the configuration file set the IP address through the serial interface Or If the IP address is DHCP assigned the IP address is available from the operator display Log in to the web interface From the Setup tab on page 23 select Configuration Save Restore Browse to where you saved the configuration file or oe be Click Restore Configuration You are prompted to restart the management module Do not restart until you verify or change the network settings Select to enable or disable DHCP enabled is the default setting from the DHCP radio buttons Set a static IP For more information see Network menu on page 33 Reboot the management module Help tab Menu options listed under the Help tab include e Contents menu on pa
35. e parameter settings overview The MCS unit has several cooling performance parameter settings These settings control the fan speed and water flow to meet the rack mounted component s cooling needs The temperature of the server intake air is constantly controlled by the opening and closing of the solenoid actuated water valve inside the MCS unit When the server intake air temperature goes above the Server Intake Temperature Set Point the water valve opens When the server intake air temperature falls below the Server Intake Temperature Set Point minus the Hysteresis Value the water valve closes The speed of the fan units is constantly controlled through the control system using the server intake and server exhaust temperatures Eas ome tops ies i Server rate Temperature Set Port s e Range 10 30 C S0 86 F Acceuets i Hysteresis Vaive O ee Range 0 10 C 0 18 F Consguraton Save Restore Hon Ternpersture Threstot o C Range 10 40 C 0 104 F Warning Temperature Threshold PW C Range 10 40 C 0 104 F Low Temperature Threshois R e pRange 2 20 C 26 06 Water Flow Leas Emergency Deor Ozenng Temperature Threston SS e nange 20 40 0610F High Temperature Emergency Doar Openeg Threshatd S c Range 20 40 C 06 104 F Updated 12202006 11 18 31 Condensation Pump Cycies Waring Threshold 2 Cyetes Range 1 09 cyctes Cocinsbied Condensation Pump Running Teme Warning Threstow 120 Seconds Range 1 3500 sec O dimat
36. e that module and reinstall it If the difference is in the Server Exhaust Temperature replace the appropriate fan unit If the difference is in the Server Intake Temperature replace the appropriate HEX unit If the warning message does not clear after the module is reseated replace the HEX unit with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 Low water flow Actual operator display alarm Water flow Low message Actual web interface alarm Water flow Low message Solution Verify the water supply Water temperature input is out of range Actual operator display alarm Water Temp In Failed message Actual web interface alarm Water Unit Temperature Input Out of Range message Solution 1 Verify the water supply 2 Verify whether the water temperature is below or above the water temperature expected range 3 Contact your building supervisor 4 Contact HP or see the HP website hitp www hp com Water temperature output is out of range Web interface 13 Actual operator display alarm Water Temp Out Failed message Actual web interface alarm Water Unit Temperature Output Out of Range message Water temperature sensor is not working properly possible open circuit Solution 1 Verify the water supply 2 Verify whether the water temperature is below or above the water temperature expected range 3 Contact your buil
37. e traps in HP SIM see Systems Insight Manager integration on page 49 tome te eee Management a a eke Cs Gerea Network Parameter Setting Control IP Address Menagment aera Ta trae Ona z Accounts Trap Recewer 1 G tnde 0ssbe ps for fis fhea Configuration Save Restore Trap Recewer 2 nade C Dieadie OM ur 185 a Trap Recewer 3 G Enebe C Disable pe pe pa s Trap Recewer 4 C Enbe C Disadie 0e wo fo fies P seodtesttre N career EES Updated 02062007 09 14 12 O No Active Ams To configure which servers should receive traps 1 Select to enable or disable SNMP authentication traps from the Authentication Traps radio buttons 2 Select to enable up to four SNMP traps from the Trap Receivers 1 through 4 radio buttons 3 Enter the IP address for up to four trap recipients in the IP Address fields 4 Tosave the settings choose one of the following options o Click Save Settings to save the information o Click Cancel to undo the changes 5 Click Send Test Trap to send a test SNMP trap to all enabled trap receivers SNMP Managers tab This screen enables the Admin to enter information for SNMP managers SNMP managers are computers that use the MIB to request information and understand traps from the management module If all IP addresses are 0 0 0 0 all SNMP managers are allowed to request information from the module If one or more of the SNMP managers have an IP address only those SNMP managers are allowed t
38. ge 40 e Overview page on page 41 e Index menu on page 42 Web interface 39 Contents menu Click Contents in the left navigation frame to display the Contents menu This menu provides a list of the links to help topics gt EEE 70e of Cones p Deere mom tee Overvew mem b A heme Ao Albin and Legend CRplay pane peatse mew Legs res Aer imtery rece Cenin mens Seasg tat Cooling Sysienmeny bate Terp tab Agim Wangs tb Updered 171517005 OF IEUS Advances ub Tmers as Uere mesu T NoActive Aims Skiita Usragerent mnu COE ee Tap Recevers ted SUMP Were pere tab Remote Actess tse Regarding De Groweer waty at Estabiahns a secute sessar tor Fernet Lesizer Ertablghing a secui seesor for Worle ACCOMM ron Con tye acum Seve Rese mmu Aarma and Warmnga i Web interface 40 Overview page Click Overview in the left navigation frame to display the Overview page This page displays overview information about the product ee Top Fame tortaine Sign Ow My perth and Rettiome Loge Setup and Hep tebe aden Chet Sagem Out te iog out of Se web etertace Chick Hoeng So see he mens options fe virering gene s states Nlormaton For more infoematon reip te Be tome ted ick Logs 1 260 De miny piona tar dhoiyng Sete koa Fer nore nforinnon reler to Pe Loge tet COPE apm BFF RF man AA OF ARGA TA AAAA AA BAM SODAS OD BAT ANG ROT aaant FAP mare nmana rener t the
39. he following o Click Save Settings to save the information o Click Cancel to undo the changes Web interface 31 General menu Click General in the left navigation frame to display the General screen This screen enables the Admin to configure general management module parameters BI Modular Cooling System o gt El Sas ee Ce General Cooting System lt F a E Vt Network fizzvacos OOMM YYYY or MMMDOIYYY J inganna Tere fre rmame ss Accounts Date Format fuuoorrvyy Configuration Save Restore Temoerature Unts i sd Veasuremect Unts Metne Audible Alarm Beeper C Enatie Daatie Reset Aurn Rey G Esate C Daatie Alarm Rewy Optens C cose Open oft arms ma wanas a N f Seconds Range 609 Updated 121202006 11 18 31 C a Ne Active Aarma To change the general parameters 1 Enter a date in the Date field If NTP is enabled in the Network menu do not enter a date in this field 2 Enter a time in the Time field If NTP is enabled in the Network menu do not enter a date in this field 3 Select a date format from the Date Format dropdown box Use MM DD YYYY for U S date format and DD MM YYYY for Euro World format Select a temperature unit from the Temperature Units dropdown box Select a measurement unit from the Measurement Units dropdown box Select to enable or disable the audible alarm from the Audible Alarm Beeper radio buttons o
40. ied Me Active Alans Alarm Relay tnabie C Dead Liegent ee Z onen Alarm Reset auto C Manual Trap Receiver Mi F2 F3 Me Server reste Temperature Trap Message Text frenoerstren SS Paame ranen O O Server Intake Used to control the desired air temperature going into Temperature Set the front of the servers Point Hysteresis Value Used to control the server intake temperature range and optimize the water valve cycle frequency High Temperature Used to issue a Critical alarm if the high temperature Threshold threshold temperature is exceeded Cooling performance parameter settings 44 Parameter Warning Used to issue a warning if the warning temperature Temperature threshold temperature is exceeded Threshold Low Temperature Used to issue a warning if the low temperature threshold Threshold temperature is exceeded Water Flow Loss Used to open the MCS doors when the temperature Emergency Door _ threshold is exceeded and water loss is detected Opening This value cannot be lower than 5 C 9 F above or Temperature more than 20 C 36 F above the Server Intake Threshold Temperature Set Point High Temperature Used to open the MCS doors when the temperature Emergency Door _ threshold is exceeded Opening Threshold This value e Cannot be lower than 5 C 9 F above or more than 20 C 36 F above the Server Intake Temperature Set Point e Cannot be less than the Water Flow Loss Emergency
41. informational event the icon corresponding to the event appears in the Active Alarms display panel The alarm descriptions appear in the Alarms menu as well as in the Alarm History menu In the Legend display panel the descriptions for following five icons display a Critical Appears when a parameter is not operating at a normal condition and must be investigated immediately Warning Appears when a parameter is not operating at a normal condition and must be investigated Appears when all parameters are operating at a normal condition Unknown Appears when a parameter is operating at an unknown condition Information e Displays information about a parameter Accessing the management module through the web interface 1 Launch a supported browser The browser window appears 2 In the Address field Microsoft Internet Explorer or the Location field Mozilla enter one of the following http hostname port number Or https hostname port number if SSL is enabled Web interface 7 where hostname is the IP address of the management module and port number is the port number if using a port other than the default 80 for http and 443 for https The login screen appears 3 Log in through the web browser Logging in through the web interface 1 Enter the user name in the User Name field The default user name is Admin 2 Enter the password in the Password field The default password is Admin NOTE Password
42. ke to the servers Solution 1 Remove the fan unit 2 Remove the HEX unit 3 Reinstall the same HEX unit 4 Reinstall the same fan unit If the warning message does not clear after the module is reseated replace the HEX unit with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 HEX temperature out failed Server Exhaust Temperature failed Actual operator display alarm FAN1 FAN2 or FAN3 Temp Out Failed message Actual web interface alarm Top Fan Exhaust Air Temperature Sensor from Server Failed message Condition Temperature reading is beyond limit possible open circuit Sensors FAN1 FAN2 or FANS sensors this is the fan unit temperature of the exhaust from the servers Solution 1 Remove the fan unit 2 Reinstall the same fan unit If the warning message does not clear after the module is reseated replace the fan unit with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 Air temperature sensor failed Actual operator display alarm Air Temp Sens Failed message Actual web interface alarm Air Temperature Sensor Failed message Web interface 12 Solution 1 View the Overview menu to distinguish which temperature sensor is different from the other temperature sensors 2 After discovering which temperature sensor is not working properly remov
43. leges such as uploading downloading and deleting log files e FTP User ftpuser Has limited privileges such as downloading log files Web interface 37 e Serial Console Administrator Admin Has full privileges to all of the serial console menu items Ss ee Menu Accounts Cocing System Sening Retype General Web Admnat ator Admin Password f Network Web User User Password Vansgerent eee ee omens Configuration Save Restere FTP User Rpuser Password Serai Console Asmnatrator Admn Password o Se Updates 02 06 2007 09 14 12 NeActive Abra To modify a password 1 Enter the new password in the Setting field 2 Enter the new password again in the Retype field 3 Do one of the following o Click Save Settings to save the updated account information o Click Cancel to undo the changes Configuration Save Restore menu Click Configurations Save Restore in the left navigation frame to access the Configuration Save Restore screen This screen enables the Admin to save and restore a configuration file A C a Sy ER Configuration Save Restore General Network _ atcoutts Alarms and Warnings Updated 02 06 2007 09 14 12 O Me Active Alsems_ On the Configuration Save Restore screen e Click Save Configuration to save the configuration file Web interface 38 e Click Restore Configuration to restore the configuration file e Click Undo Changes to undo th
44. n the condensation pump is not running 11 Click Reset to Factory Defaults to reset the parameters to the defaults set by the factory You are prompted to reboot o Click Restart to restart the management module o Click Cancel to undo the changes Network menu Click Network in the left navigation frame to access the Network screen This screen enables the Admin to configure network settings for the management module GJ Modular Cooling System E Oe Network Cosing ren Generasi P Acariee ng wr iss os Fi a Nerwom Mast lt e peT lt 9 Vanegerent i oo Accoures Ostavi Gateway Hs vor tea 1 Coe tipursor Save Restore pated Enaby Deshi Netwoe Teme Pretocot NTP D erate deat Damay M Serie ne ost loos 4 Secondary NTP Server ve ost jos 29 j NTP Our ttset 5 Ceria Tere NTP Update Frequency 4 24ototaut Aago 1 5050 Hour Upsared 11 15 7005 09 35 43 it tt EEn OST Gepa format mn mementn 1 17 esweet ofmonth 1 5S Setest do day O 6 Gnundey O Wo Active Akma OST Ene 1050 Format mang mmonth 1 12 ecweet of month 15 Sctesh d day 0 6 O sunday legena Hs To set a static IP Disable DHCP by default DHCP is enabled using the DHCP radio button Click Save Settings Change the IP address in the IP Address field of the management module Change the network mask of the management module Change the default gateway of the management module Click Save Settings Log in to the
45. nbuSasbaxs deceit abee anes 6 Active Alarms and Legend display panel cceccecsseceeseeeeceeeeceeeeeeneeecnseeceseeesaeeecneeeeneeeeeneeeeneeeeens 7 Accessing the management module through the web interface ccessceceseeesceeeeeeceneeeeseaeentaeeeeneeeens 7 FeRAM TAS EATE heed ta ETEEN ATA AAS N EE 8 OVERVIEW MeN Usser serneiei En era EE n REE Ea E RAND EEE aea Ere EAE RO rA ETRE aE A AEEA ERA ERES 9 Alarms men k eane eean a Ra E EE R E Ea Taaa ae aE TeRED Tor Cree COeTeE Veer Frere 10 Identification menu esis vssisccgssactonas sipsordensdneioaeassantntsnscabeoe ns ESSES Stt SASEA ESEE SEEESEEESSEEESEEESEEESEEESSEEENE EESE ESEE Enne 20 Kole Eae EERTE E AE E E ET EREE E EATA 21 Alarm History menu ccccccccssesceeeceeeeecseseeeecseseeeeeecneeeeeeceseeeecssaeeeecseeeeeecseeeecseeeeeseeeeeesseseeeeessieeeseseas 21 Event MOG MEM Ui e acs ceesue ss E A EE tutes cteeadetanestans E RE 22 Sep t Dre a a E A E a tnx 23 Cooling SYSTEMA rose iea eea a a E e taal eE EAE TEE EEI i E E EE 23 General MeN Uresssceresesisr tein erni a eE REE e EEEE ES AEE i 32 NetWork M NU sssssssssesesiore isses teene roes esenea AE Na OEEO ESEESE E duenturpagadesaastuceuun SESEO ERER EEEE ERER SEERNES 33 Management Menu ce eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeseeesees see teesseseeteeeeeeeteeseeeseesteseseeeeeetnee sees reed 34 Accounts MENU so2 vdusceroageeeteas cinecengagaresbadasinecpadagene dy atands a E et ea E e a deesiceesgoneask e
46. nd a trap is sent if the server intake temperature is exceeded for the Warning Temperature Threshold field 5 Enter an air temperature at which an alarm is issued and a trap is sent if the server intake temperature drops below for the Low Temperature Threshold field 6 Enter an air temperature at which an alarm is issued and a trap is sent if the server intake temperature is exceeded for the Water Flow Loss Emergency Door Opening Temperature Threshold field 7 Enter an air temperature at which an alarm is issued and a trap is sent if the server intake temperature is exceeded for the High Temperature Emergency Door Opening Threshold field 8 Enter an air temperature at which an alarm is issued and a trap is sent if the condensation pump cycles are exceeded for the Excessive Moisture Condensation Pump Cycles Warning Threshold 9 Enter an air temperature at which an alarm is issued and a trap is sent if the condensation pump running time is exceeded for the Excessive Moisture Condensation Pump Running Time Warning Threshold Web interface 24 10 11 12 13 14 15 NOTE A 24 hour clock starts when the condensation pump runs for the first time in more than 24 hours A warning is issued if either the cycle threshold or pump running time is exceeded within the 24 hour window The clock stops and the counters are reset to zero for warning purposes if the thresholds are not exceeded within 24 hours after the last time the c
47. nsanedechonceeneaasanscdtecoeaeaeaiivanctsneenamesunanedennier nestes re et 49 Discovering the management MOU Ey s s desvancvisnsacetynntvaeeiiseesqentenesuanshudicsdo tunetadagncanasentndeieasecenasorieuitatecnsens 49 Configuring HP SIM to receive traps 255 casavcasneincananscnacestaaiaaiinatienosniaannalanstiaeoneatsaannantinonenGaeniyanie nonin 50 Configuring the management module to send traps to HP SIM ccccceesseeseseeceereeeseseeceeeeeeeeeesereeseeeeesnreeeaes 51 NON FING NIN IN esiaine nikae N AA EAN E aSa E AEA AA AEA EE REAR REES 52 Security considerations OVervieW c ccccccccccessssceceesseeeceeseceeeeessseeecsesseeeeesseseeeeessseeesceseceesessaseeeesseseeeeeneeeeees 52 Frequently asked guesa dis crcrcrcecrsnensedereancbernessianteer dastiersiceerenerinersienieeri meee aeeereeriies 33 Frequently asked questions ccccccccsssscecesseeeesceseceeeceseaeeecessseeeeceseeeeseneeeeeecseseeeccsseeeesesseteesesseneeeesenegeeeneas 53 Contents 3 Replaceable parts and maintenance and service information Replaceable parts Contents 4 Overview In this section Telins Ope its otemeeerte seek bee pt etre a tet Ne ener te ren never eeeen terete rere ree erie Serer en art rebenh mr trreret Sern nerte reer Teeter aren ts 5 Introduction The HP Modular Cooling System has a management module with a web interface that analyzes queries and manages various measurements and warning and alarm messages from the MCS unit The m
48. nt false alarms without masking problems with the MCS Default settings will vary depending on the humidity level of your data center and the heat load generated by the equipment in the MCS The condensation pump has run more than x seconds Actual operator display Excessive Moisture alarm message Actual web interface The condensation pump has run more than x seconds alarm message Solution 1 Look for leaks or determine if condensation is the cause 2 If no leaks are found adjust the temperature in the Excessive Moisture Condensation Pump Running Time Warning Threshold field Web interface 19 IMPORTANT Use caution when entering temperatures in the Condensation Pump Threshold fields Be sure to determine the proper default settings to prevent false alarms without masking problems with the MCS Default settings will vary depending on the humidity level of your data center and the heat load generated by the equipment in the MCS NOTE A 24 hour clock starts when the condensation pump runs for the first time in more than 24 hours A warning is issued if either the cycle threshold or pump running time is exceeded within the 24 hour window The clock stops and the counters are reset to zero for warning purposes if the thresholds are not exceeded within 24 hours after the last time the condensation pump runs NOTE To clear the condensation pump cycles warning click Cooling System in the left navigation frame to acces
49. nt module 7 Advanced tab 29 Air temperature sensor failed 10 alarm and warning messages 10 Alarm History menu 21 Alarms menu 10 browser security alert 27 C Communication failure 10 Configuration Save Restore 38 Contents menu 40 Control Mode 46 cooling 44 cooling air flow 47 cooling performance parameters 44 Cooling System menu 23 D Delta temperature 46 F Fan unit failed 10 Fan unit not installed 10 frequently asked questions 53 G General menu 32 H Heat overload condition High Temperature Threshold field 10 Help tab 39 HEX temperature in failed Server Intake Temperature failed 10 HEX temperature out failed Server Exhaust Temperature failed 10 Home tab 8 Identification menu 20 Index screen 42 Intake Temp tab 24 introduction 5 L Leak detector sensor is not working properly 10 Leakage detected 10 Logs tab 21 Low water flow 10 M Management menu 34 management module 7 49 N Network menu 33 O Overview menu 9 Overview page 41 overview web interface 5 P passwords 37 R replaceable spare parts 55 S secure sessions Internet Explorer 27 secure sessions Mozilla 28 security considerations 52 server intake temperature 47 48 Setup tab 23 Index 57 signing in through the web management interface 8 SNMP settings 51 SNMP trap notifications setting up 49 50 SSL browser security alert 27 Systems Insight Manager 49 Systems Insight Manager overview
50. o request SNMP information Web interface 36 The SNMP manager entries do not have any effect on sending traps J Modular Cooling System em Ee COs Management Genera Network Parameter IP Address Accounts SNMP Manager 2 po fo po fo Configuration Save Restore SNMP Manager 2 po fo po fw SNMP Manager 4 po foo fpo foo SNMP Manager po fo po fo SNMP Manager 6 foo foo po _froo a i ie Updates 02 062007 09 14 12 SNMP Manager 8 bo fooo po po SNMP Manager 9 po fo po fow O Ne Active Alarms SNMP Manager 10 fpo o0 po fo CR To configure SNMP managers 1 Enter the IP address for each SNMP manager in the IP Address field 2 Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes Accounts menu Click Accounts in the left navigation frame to access the Accounts screen This screen enables the Admin to modify web and FTP Admin and User passwords and Serial Console Admin passwords FTP Admin and FTP User accounts are blocked until the Admin resets the management module settings so that FTP is enabled in the Management gt Remote Access tab and assigns a password to open each account The Web User account is also blocked until the Admin assigns a password to open the account The following user accounts have these privileges e Web Administrator Admin Has Admin privileges e Web User User Has read only privileges e FTP Administrator ftpadmin Has limited privi
51. ondensation pump runs Select to enable or disable the alarm relay from the Alarm Relay radio buttons This setting is only for the Server Intake Temperature o Select Enable to allow the alarm relay when a temperature alarm is generated o Select Disable to not allow the alarm relay when a temperature alarm is generated Select to enable or disable the audible alarm from the Audible Alarm radio buttons This setting is only for the Server Intake Temperature o Select Enable to allow the audible alarm to sound when a temperature alarm is generated o Select Disable to not allow the audible alarm to sound when a temperature alarm is generated Select to enable the alarm to be reset which also resets the audible alarm and alarm relay automatically Auto or manually Manual from the Alarm Reset radio buttons This setting is only for the Server Intake Temperature o Select Auto to allow the alarm to be turned off automatically if the temperature returns to a valid range after a temperature alarm is generated This will terminate the audible alarm o Select Manual to allow the alarm to be turned off by clicking Clear Alarms in the Setup gt General menu The alarm can also be cleared by pressing the C key on the management module after any alarm is generated Select the checkbox to activate trap receivers 1 through 4 Enter information that displays when a server intake temperature trap is received in the Server Intake Temperature Trap Mess
52. or Bot Fan Mod Failed message Actual web interface alarm Top Mid or Bottom Fan Module Failed message Solution 1 Remove the fan unit 2 Reinstall the same fan unit If the warning message does not clear after the module is reseated replace the fan unit with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 Fan unit not installed Actual operator display alarm Top Mid or Bot Fan Not installed message Actual web interface alarm Top Middle or Bottom Fan Not installed message Failed connection to the fan unit sensors over the IC bus possible open circuit Modules Top middle or bottom fan module Solution 1 Remove the fan unit 2 Reinstall the same fan unit If the warning message does not clear after the module is reseated replace the fan unit with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 HEX heat exchanger unit temperature in failed Server Intake Temperature failed Actual operator display alarm HEX1 HEX2 or HEX3 Temp In Failed message Actual web interface alarm Top Heat Exchanger Intake Air Temperature Sensor to Server Failed message Condition Temperature reading is beyond limit possible open circuit Web interface 11 Sensors HEX1 HEX2 or HEX3 sensors this is the water to air heat exchanger unit temperature of the inta
53. pe2 Merun Fan Speed E s range 20 100 SS nro F lt maare eri Updated 1271 12006 11 34 58 Cela Temperetars fer 100 Fen Speed 1s C range 3 40 C 6 72 F Cosling Liquid Heat Capecty cp Value Pure Water 4187 4367 range 1900 9999 Ws igk No Active Alarms Temperature Differeace for Heat Load Warning 0 C range 0 off 318 C 27 F Si On the Advanced screen the administrator can change the temperature control modes for the management module IMPORTANT Temperature Control Manual mode is for service and troubleshooting only and is not to be used in a production environment e Temperature Control Auto mode Used for operating the MCS unit after a satisfactory water flow rate has been obtained In this mode the MCS unit operates automatically according to the settings you have assigned to the following parameters o Flow Meter Model NOTE If you have the Type 2 flow meter your MCS unit will have a label on the inside of the back door For more information on the flow meter model label see the HP Modular Cooling System User Guide o Minimum Fan Speed o Delta Temperature For Minimum Fan Speed o Delta Temperature For 100 Fan Speed o Cooling Liquid Heat Capacity e Temperature Control Manual mode Used to verify the water flow rate after the cold water supply has been connected When the water flow rate has been validated use the Auto mode setting In this mode the MCS unit operates manually acco
54. r responding when enter the where hostname is the IP address of the management module management module IP address and port number is the port you assign for SSL You might have assigned a port number other than 80 or changed the port number in the Remote Access tab Enter http hostname port number where hostname is the IP address of the management module and port number is the port you assigned in the Remote Access tab For more information see the Remote Access tab Frequently asked questions 54 Replaceable parts and maintenance and service information In this section Fg E E A AEE E V E E E A E A E E E E ea B T 55 Replaceable parts The heat exchanger units and fan units are replaceable during real time operation Other unit parts are also replaceable For more information on replaceable parts and CSR parts refer to Technical support Replaceable parts and maintenance and service information 55 Acronyms and abbreviations CSR Customer Self Repair DHCP Dynamic Host Configuration Protocol DST daylight savings time FTP file transfer protocol GMT Greenwich meon time HTTP hypertext transfer protocol HTTPS hypertext transfer protocol secure sockets IP Internet Protocol MCS modular cooling system NTP network time protocol SNMP Simple Network Management Protocol Bat Secure Sockets Layer Acronyms and abbreviations 56 Index A accessing the manageme
55. rature and server exhaust temperature The server intake temperature or cold air is the air coming from the heat exchanger units and pushed through the fan units The server exhaust temperature or hot air is the air coming from the fan units and being pushed through the heat exchanger units Cooling performance parameter settings 46 Example Server intake Server exhaust temperature temperature Top 24 5 C 76 1 F 38 8 C 101 8 F 24 8 C 76 6 F 39 1 C 102 4 F 25 1 C 77 2 F 40 3 C 104 5 F 24 8 C 76 6 F 39 4 C 102 9 F Cooling air flow supplied by the MCS unit Delta temperature is used to determine and control the speed of the rotating fans This example shows the fan speed control function when the minimum fan speed is 35 delta temperature for minimum fan speed is 5 C 9 F the delta temperature for 100 fan speed is 20 C 36 F In this case the delta control temperature is 18 C 32 F and will cause the fans to run at 94 speed So eee a r e r re 18C 20 C Delta Temperature Delta Temperature Minimum Maximum Adjusting the cooling air flow provided by the MCS unit To adjust the cooling air flow provided by the MCS unit while in Temperature Control Auto mode 1 Click the Setup tab on page 23 and then click the Advanced tab on page 29 2 Enter a Minimum Fan Speed 3 Enter a Delta Temperature For Minimum Fan Speed 4 Enter a Delta Temperature 100 Fan Speed Server int
56. rding to the settings you have assigned to the following parameters o Fan Speed Target o Water Valve State After you change the temperature control modes you can do the following Web interface 30 o Click Save Settings to save the information o Click Door Opening Test to open the MCS front and rear doors and test the magnetic locks o Click Cancel to undo the changes Timers tab This screen enables the Admin to change timer settings for the management module Timers are used to disable particular trap receivers on different days at different times of the week O Modular Cooling System ae ee Cooling System Len General Network Management Acctunts Tener Control C Enade Daabie Contguraten Save Restore Osy of Week Santay X Tere interval poo p oxo Foemat icnn Timer Functen asane Trap Recewer Setting Alarms and Warnings C G Updated 02082007 00 1412 Osy of Week Sentay X Tene interval poo F oxo T Me Active Aleems_ Tener Fuscten sane Trap Recewer Tana acer Timer Conteot C Enade Dasdi Osy of Week Sangay v Tine terval foo z ooxo es Tener Functen isane Trap Recewer To change the timer settings 1 Select to enable or disable the timer control from the Timer Control radio buttons 2 Select a day of the week from the Day of Week dropdown box 3 Enter a time interval in the Time Interval field 4 Select a timer function from the Timer Function dropdown box 5 Doone of t
57. s are case sensitive 3 Click Sign In The HP Modular Cooling System web interface appears To clear the credentials and enter another user name and password click Clear For instructions on changing the password see Accounts menu on page 37 HP Modular Cooling System You have been logged out EIR Copyright 2007 Hasiat Packard inc All rights seserved HP the HP Pus and the HP Logo are epatered Cacerarks of Mewes Packard inc Only one Admin session and one User session are supported at a time Sessions can be terminated if a second session is initiated after successful login or if a console session timeout occurs In both situations the existing session is terminated and the login screen appears Admin session logins logouts and terminations are recorded in the Event Log menu The console session timeout length can be enabled disabled or modified in the Remote Access tab The default is 30 minutes Home tab Menu options listed under the Home tab include e Overview menu e Alarms menu Web interface 8 e Identification menu Overview menu Click Overview in the left navigation frame to display the Overview screen This screen displays graphic meters for temperature and cooling system parameters m EE eee Ce Overview Overview a pana Server intake Temperature Average 21 C 35 Sener Exhaust Temperature Average 22 C ae Cooling 16 kW A Water Inlet Temperature
58. s the Cooling System screen and then click the Alarms Warnings tab Under the Warnings section set Alarm Reset to Manual and click Save Settings Then return to the General menu and click Clear Alarms This step only clears the warning when the condensation pump is not running Identification menu Click Identification in the left navigation frame to display the Identification screen This screen displays specific device and contact information You can enter or change the system name system contact and system location information in the System Information tab You can change the IP address in the Network menu on page 33 x _ Mome C Identification Overview aurans System Name Houston WCS Berstcstos System Contact C Brows System Locaten HW Lad MAC Address 00 60 93 0 30 9e P Asdress 16 101 184 93 Sofware Version 1192 Firmware Version 2427 0981 Hardware Version 1 3 01 Product O AFOGA Seral hunder 28340802 oe Retresh Updated 12 20 2008 11 16 31 MeActive Aleems System Name Displays information entered in the Setup gt Management gt System Information gt System Name field Web interface 20 Parameter System Contact Displays information entered in the Setup gt Management gt System Information gt System Contact field System Location Displays information entered in the Setup gt Management gt System Information gt System Location field MAC Address Displays the MAC address IP
59. t module The web interface for the discovered module can be launched from the HP SIM Servers Links tab e Receive SNMP traps from the management module The management module can send event based traps to HP SIM that include a URL in the trap This functionality enables administrators to easily launch the web interface of the management module in context For example if the management module detects an alarm condition the management module can send a trap to HP SIM with an attached hyperlink that routes users directly to the web interface for the attached management module e Conveniently launch the management module web interface from within HP SIM o Tools menu You can add a link to the web interface on the HP SIM Tools menu using a tools definition file o Servers Links tab The web interface can be launched from the HP SIM Servers Links tab o Eventbased trap A URL is included in each trap to link directly from HP SIM to the web interface for the specific device for which the trap was sent The management module can be configured to send alert traps to Systems Insight Manager and other SNMP management applications To send event alert traps to Systems Insight Manager 1 Configure HP SIM to receive traps Configuring HP SIM to receive traps on page 50 2 Configure the management module to send traps to HP SIM Configuring the management module to send traps to HP SIM on page 51 Discovering the management module
60. t screen This screen enables the Admin to configure network management settings for the management module The Management screen contains the following e System Information tab e Trap Receivers tab on page 35 e SNMP Managers tab e Remote Access tab Web interface 34 System Information tab This screen enables the Admin to enter contact information for the management module The information entered on this screen appears on the Identification screen and is included with SNMP traps sent by the management module a ll COREE Management n System intormeton Te ER General Management Stem tae a Acontia System Contact ini Configuration Save Restore System Locaten fax Ress Communty Sieg pas Wirte Communty Sreq a Trap comp Sung pw m Updates 02 06 2007 09 14 12 Ne Active Aarma To enter the contact information Enter the name of the management module in the System Name field Enter the name of the contact person in the System Contact field Enter the name of the location in the System Location field Enter the Read community string Enter the Write community string Enter the Trap community string a ie a SS eS Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes Trap Receivers tab This screen enables the Admin to enter information for servers that should receive SNMP traps from the management module Web interface 35 To receiv
61. to save the information o Click Cancel to undo the changes To configure other remote access settings 1 Select to enable or disable FTP using the FTP radio buttons 2 Enter the number of minutes for the HTTP Console Session Timeout field The default is 30 minutes 3 Do one of the following o Click Save Settings to save the information o Click Cancel to undo the changes Browser security alert Secure browsing requires the use of SSL SSL is a protocol layer that lies between HTTP and TCP that provides secure communication between a server and a client and is designed to provide privacy and message integrity SSL is commonly used in web based transactions to authenticate the web server which indisputably identifies the server to the browser SSL also provides an encrypted channel of communication between the server and the browser The encrypted channel ensures integrity of the data between the web server and the browser so that data can neither be viewed nor modified while in transit The management module uses a system generated and unique key An integral part of SSL is a security certificate which identifies the management module If your browser displays a security alert when browsing to the management module it can be for one of several reasons e The certificate is untrusted meaning it was signed by a certifying authority that is unknown to your browser e The certificate has expired or is not yet valid This condition can
62. ture Warning message Modules or sensors Average server air temperature is above the temperature assigned in the web interface Intake Temp tab High Temperature Threshold field SNMP SNMP notification Critical Web interface 15 Solution 1 Verify the water inlet temperature 2 Verify that the flow matches the specifications required for heat load 3 Adjust the temperature assigned in the web interface Intake Temp tab High Temperature Threshold field Leakage detected Actual operator display alarm Leakage Detected message Actual web interface alarm Leakage Detected message Solution 1 Open the rack doors 2 Power down the rack mounted components 3 Turn off the water to the MCS unit 4 Locate the leak and correct it Communication failure Actual operator display alarm Comm Failure C message Actual web interface alarm Comm Failure C message Condition Management module cannot communicate with the MCS unit sensors Modules or sensors Any module or sensor Solution Power cycle the management module If the alarm message continues to display replace the management module with a CSR part For more information on CSR parts see Replaceable parts and maintenance and service information on page 55 Temperature below threshold Low Temperature Threshold field Actual operator display alarm Temperature Too low message Web interface 16 Actual web interface alarm Temperature too
63. veneees 37 Configuration Save Restore Menu cyicuussrsasencdnayecusapavesenosnaiiteieyaeantsuadyidindterseustgunsysallipustedisontenelapyvesss 38 Helpa Do rasoen E EEE S R E e E E E E E E E 39 Contents Menu s s4 22cascscs oeenn eiea aa Tn Ea EREE Tea a EE ea in aa aT ee nN aeua a Taeka tna 40 OVEIWIEW Page rrenen peiie EE E a eie E TE ica herons E EE Ee A E E gue encnce s 41 ndes men re eee e r a ae aa iaaa r T 42 ME Se E a E E E IIA A OREA TET A EI E T IE A A E EA 43 Upgrading the HP Modular Cooling System firmware sscssysenneseeasesnsnssence coeeasoonsneesne ensnsaooonancencetneasanonnanees 43 Cooling perlormance parameter SONGS cicciiedsecadiaceinericacecericrinczicerineciverieeraniatesindeineriedsenecicdeinasio 44 Cooling performance parameter settings OVErViCW sccecseseceeseeeeeeceeeeeensaeeeeaeeceeeectaaeeneaeeseeeeenuseeetaeeeneats 44 Delta temperature Server Intake Temp Server Exhaust Temp cc cccccsssseccsseceeecesseceeceeeeeseseeeesseaees 46 Cooling air flow supplied by the MCS Unit cccccccecessseeeseecenseceeeeeeeneeceeeecnseeeseeeceueeeenaeeneaeeeeteeeenes 47 Server intake temperature provided by the MCS Unit cccccccccecssseececsssececcesseeecessseesecssaeesecsseeeeeaes 47 Temperature Control Set iGS c ci csscsccscaniasavvntrabotcrdriahensstraciadsaraeeadnenasesareandsedbeeasseaieaninkedeaavbeabaas 48 Systems haah Mondger Mieg Ossona ai 49 Systems Insight Manager QVELVIEW posiscasercavaeaasaniesnneeqeaoa

HP Modular Cooling System Reference Guide

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