DELL PowerVault MD3200i
Contents
1. as Power PC a Expander lt gt PCI E PCI E Flash 3 say esa Cache Offload a B X4 X24 X4 Assembly msm Alt Ctrl Drives Alt Ctrl ue The RAID controllers are the engines or the brains of the MD3200i and MD3220i storage arrays They perform the RAID calculations control the I O movement communicate with the management client store the firmware and protect data until it can be written safely to the hard disk drives The MD32001 s architecture is designed to excel in multi host systems environments Its I O system core provides built in hardware XOR for high speed RAID parity calculations enabling it to easily handle very compute intensive tasks Each RAID controller contains 2GB of cache for a total of 4GB of cache in a dual controller configuration which is mirrored with the other controller s cache for high availability In the event of a power failure the controllers are protected with battery assisted persistent cache backup which destages cache to non volatile media for indefinite safe keeping Each controller has a 36 port 6 Gb s SAS expander that provides access to the drives in the MD32001 or MD3220i enclosure The SAS expanders enable each controller to access all of the drive ports creating active active drives loops that provide both controllers redundant access to all attached disk drives DELL PowerVault MD32001 MD32202. 10 DELL PowerVault MD32001 MD3220i Technical Guide Book Table 3 MD3200i and MD3220i Front Panel Feature Description Enclosure status LED The enclosure status LED lights when the enclosure power is on Lights blue during normal operation and when the management software is identifying the enclosure Blinks blue when the management software is identifying the enclosure or when the system identification button Is pressed Lights amber when the enclosure is turned on or is reset Blinks amber when the enclosure is in the fault state 2 Power LED D The power LED lights when at least one power supply is supplying power to the enclosure Not Applicable This LED has no use in the MD3200i or MD3220i System Identification The system identification button on the front control Button panel can be used to locate a particular enclosure within a rack When the button is pushed the system status indicators on the control panel and the RAID controllers blinks blue until the button is pushed again Hard Drives MD3200i Up to 12 SAS hot swappable drives MD3220i Up to 24 2 5 inch SAS hot swappable drives Not Applicable This switch has no use on the MD3200i or MD3220i 11 DELL PowerVault MD32001 MD3220i Technical Guide Book Figure 8 MD32001 and MD3220i Front Bezel Feature and Indicators Figure 9 MD32001 and MD3220i Rear View RAID Controller Module 0 RAID Controller Module 1 Power Supply Coolin
3. Figure 20 MD Storage Manager Setup Tab a MD32xxi 11 12 PowerYault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help MEEPEEEI Storage Array Configuration Blink Storage Array ws Turn on the indicator lights For the storage array to identify it physically Rename Storage Arra Ss Rename the storage array so it can be easily identified in the storage management software i Set a Storage Array Password Set a password For the storage array to prevent unauthorized users from making configuration changes ZZ Confiqure iSCSI Host Ports Configure network parameters For the iSCSI host ports on the RAID controller module s such as IP configuration and other advanced settings Configure Storage Arra Create disk groups virtual disks and hot spare physical disks Map Virtual Disks Map virtual disks to hosts so that the virtual disks can be used for I O operations Save Configuration Save configuration parameters in a File to use for restoration or replication Optional Tasks Manually Define Hosts Hz Define the hosts and Host Port Identifiers connected to the storage array Use this option only if the host is not automatically recognized and displayed in the Mappings tab Confiqure Ethernet Management Ports es Configure network parameters For the
4. Ethernet management ports on the RAID controller module s if you want to manage the storage array using out of band management connections co SA 56 The Setup tab includes tasks such as Blink Storage Array selection which allows the user to turn on the indicator lights of the storage array to identify it physically Rename Storage Array allows for the storage array to be renamed so it can be easily identified in the storage management software Set a Storage Array Password prompts the user for a new password for the storage array to prevent unauthorized users from making configuration changes Configure SCSI Host Ports provides for the configuration of network parameters for the SCSI ports on the RAID controller module such as IP configuration and other advanced settings Configure Storage Array is a key task which allows the user to create disk groups virtual disks and hot spare physical disks Map Virtual Disks option provides for the user to map virtual disks to hosts to that the virtual disk can used for I O operations As mentioned previously this can also be accomplished from the Mappings tab Save Configuration selection users can save their configuration parameters in a file to use for restoration or replication 25 DELL PowerVault MD32001 MD3220i Technical Guide Book It is important to note that many tasks can also be accessed from the pull down menus across the top storage Subsystem View Map
5. Specifications Operating 10 to 35 C 50 to 95 F with a maximum temperature gradation of 10 C per hour Note For altitudes above 2950 feet the maximum operating temperature is de rated 1 F 550 ft Storage 40 to 65 C 40 to 149 F with a maximum temperature gradation of 20 C per hour Operating 20 to 80 non condensing with a maximum humidity gradation of 10 per hour Storage 5 to 95 non condensing with a maximum humidity gradation of 10 per hour Operating 0 25 G at 3 200 Hz for 15 min Operating One shock pulse in the positive z axis one pulse on each side of the system of 31 G for 2 6 ms in the operational orientation Storage Six consecutively executed shock pulses in the positive and negative x y and z axes one pulse on each side of the system of 71 G for up to 2 ms Operating 16 to 3048 m 50 to 10 000 ft Note For altitudes above 2950 feet the maximum operating temperature is de rated 1 F 550 ft 16 to 10 600 m 50 to 35 000 ft Airborne Contaminant Level G2 or lower as defined by ISA S71 04 1985 35 DELL PowerVault MD32001 MD3220i Technical Guide Book Configuration Guidelines General Configuration Rules The MD3200i and MD3220i s extensive configuration flexibility enables customized performance tuning maximum capacity utilization and the highest data protection to support application servers with vastly different requirements A single storage array can concurrently
6. allows a storage management station to communicate with the controllers in the storage array over the I O path of a host e Failover Driver This package contains the multi path driver used to manage the I O paths into the controllers in the storage array If there is a problem on the path or a failure of one of the controllers the driver automatically re routes the request from the hosts to the other controller in the storage array Enterprise Window The Enterprise Window is the main window that opens when the MD Storage Manager is initially launched Within the Device tab it provides a view of all of the storage arrays including partially managed storage arrays in the overall management domain It also allows for the automatic or manual addition and removal of storage arrays and provides a view of all the MD arrays including prior generation MD3000 and MD3000 arrays Figure 14 MD Storage Manager Enterprise Window Ed PowerVault Modular Disk Storage Manager Enterprise Management kebas POWERVAULT MODULAR DISK STORAGE MANAGER Edit View Tools Help QU Eal Bal e m T Devices ME lt MET e VST 621BVG1 Status Management Connections Comment C Discovered Storage Arrays 12 Optimal In Band details w Storage Array Mercury_SAS tor Optimal In Band details le Storage Array Mercury iSCSI Optimal In Band details 2 Storage Array Mercury iSCSI simplex Launched Array Management Window
7. behind their base units in order to achieve the optimal drive tiering that best matches their application needs Within each enclosure users can mix SSD SAS and near line SAS drives maximizing their return on investment In addition to the above mentioned features the MD3200i series offers optional data protection features like snap shots and virtual disk copy services to assist users in protecting their data in a more effective manner Initial set up is also much easier than the previous product with the addition of wizard enabled tools and improvements in the Modular Disk Storage Manager iSCSI SCSI Internet Small Computer System Interface is an industry standard that allows SCSI block I O protocol to be sent over the network using a TCP IP based protocol for establishing and managing connections between IP based storage devices hosts and clients SCSI SAN solutions often called IP SANs consist of SCSI initiators software driver or adapter in the application servers connected to SCSI arrays by means of standard Gigabit Ethernet switches routers and cables IP SANs are enabling organizations around the globe to maximize their existing IT investments while deploying effective and efficient networked data management solutions iSCSI is particularly interesting as a SAN alternative to direct attached storage in environments where simplicity flexibility price performance and availability of administrative staff are critical IT deci
8. disk copy can be used in conjunction with virtual disk snapshot which creates a PiT image of a virtual disk while maintaining read write access enabling a complete PiT clone to be created without interrupting the I O activity of the production virtual disk Additionally virtual disk copy can be used to redistribute data moving virtual disks from older slower disk physical disks to newer faster or higher capacity physical disks to optimize application performance and or capacity utilization Online Administration The MD3200i series of storage arrays allows primary storage management tasks to be performed while the storage remains online with complete read write data access This allows storage administrators to make configuration changes conduct maintenance or expand the storage capacity without disrupting I O to its attached hosts Online capabilities include e Add Free Capacity Capacity Expansion enables the capacity and number of physical disks to be increased for a given disk group Up to two physical disks at a time can be added to existing disk groups with the existing virtual disks then being striped across the full set of physical disks now comprising the disk group e Dynamic Expansion This feature enables new drive modules to be added virtual disk groups to be configured and virtual disks to be created without disrupting access to existing data Once a newly created virtual disk is defined the array provides immedia
9. optimal l Status Capacity Disk Groups amp Virtual Disks ly Disk groups 0 x ions i Available om Ef Operations in Progress 0 n Available GB Virtual Disks 0 ll Configured Hardware Components 0 000 GB Ed RAID Controller Modules 2 fa a ug Enclosures 1 i Hosts amp Mappings Online Hel OU Physical Disks 12 Storage Concepts Tutorial Media Types G Configured Hosts 0 Planning Your Configuration Interface Types Sas 3 Host to Virtual Disk Mappings 1 Confiquring Your Storage Array Hot Spare Physical Disks Essential Terms to Know n PAI 0 O Storage Partitions In use O Standby 0 Used Available 32 e 0 G The Summary tab shown above provides administers with a quick look at all the pertinent information regarding the selected MD3200i or MD3220i storage array as well as links to various management tasks These include e A Status area which indicates whether the storage array is in an optimal state whether there are any long running operations in progress with the ability to view the operations and whether alert notifications have been set If the array is in a non optimal state a link is provided to launch the Recovery Guru The Recovery Guru provides valuable troubleshooting assistance by diagnosing storage array problems and determining the appropriate procedure to use for recovery The Recovery Guru displays a summary list of storage array problems detailed information abo
10. output load gt 90 Minimum Efficiency measured 20 50 and Must Meet Climate Savers requirements 80 output load over full range of AC input and environmental conditions Load Condition Efficiency 20 87 50 90 100 87 Peak Output Power 600 Watts Thermal management The cooling system for the enclosure is designed to allow all components power supplies RAID controllers HDDs SSDs etc to meet their full operating specifications There may be up to four fans in each power supply fan module This configuration provides N 1 fan redundancy meaning that the enclosure can be sufficiently cooled for normal operation even if one fan fails Firmware shall continuously monitor the temperature sensors within the enclosure and take proper actions to throttle the fans in order to maintain optimal operating temperature Over Temperature Shutdown In order to prevent potential damage to the drives and subsequent loss of data the power supply has the capability to shut itself down or be shut down by the RAID controller in the event of an over temperature condition When the power supply incorporates its internal thermal shutdown feature it will automatically restart when the over temperature condition no longer exists Hysteresis of at least 5 degrees is employed to prevent a frequent toggling on and off of the outputs 34 DELL PowerVault MD32001 MD3220i Technical Guide Book Environmental Specifications Table 7 Environmental
11. source virtual disk It Virtual Virtual is the logical equivalent of a complete physical copy but is Disk created much more quickly and requires less disk space Snapshots appear and function as standard virtual disks they RAE are host addressable and can be read written to or copied Snapshot Repository Snapshot uses an innovative copy on write technology to maintain the logical snapshot virtual disk while minimizing Physical disk utilization When the snapshot is taken the controller suspends l O to the source virtual disk for a few seconds while it creates a new physical virtual disk called the repository virtual disk to store snapshot metadata and copy on write data When a data block on the source virtual disk is modified a copy on write occurs copying the contents of blocks that are to be modified into the repository virtual disk for safekeeping This repository virtual disk combined with the original source virtual disk creates the logical snapshot virtual disk Logical Since the only data blocks that are physically stored in the repository virtual disk are those that have changed since the time of the snapshot the snapshot technology uses less disk space than a full physical copy The repository virtual disk is typically 20 percent of the base virtual disk but will vary depending on the amount of changes to the data The longer a snapshot is active the larger the repository is needed Virtual disk snapshot prov
12. you can send it to a technical support representative ES View Storage Array Profile View a detailed description of all components and properties of the storage array Download Firmware Download RAID controller module Firmware RAID controller module NYSRAM physical disk firmware environmental EMM card firmware and EMM configuration setttings y View Event Log CE Use the event log viewer to display a detailed list of storage array events Use the Recover From Failure link if there are problems with your storage array Help 9 View Online Help Access Ehe online help system About PowerYault Modular Disk Storage Manager View version and copyright inFormation Fa ER SA Gather Support Information selection allows a user to save information about the storage array such as its profile and event log information to a file so that it can be saved and sent it to technical support Storage Array Profile provides a detailed description of all components and properties of the storage array such as the number of physical drives used firmware versions of the controller s which components are running optimally and the number of Snapshots taken Download Firmware option allows the user to download RAID controller module firmware NVSRAM physical disk firmware environmental management module EMM firmware and EMM configuration settings View Event Log will provide a detailed list of storage array events View Online He
13. 0 1 5 10 and 6 supported o Upto 30 physical disks supported per disk group RAID levels 5 and 6 o Upto 96 drives in RAID level 0 o Upto 96 drives in RAID level 1 10 Local key management for SDE enabled drives One or more virtual disks per disk group Up to 256 virtual disks LUNs per array Dynamic capabilities support on the fly reconfigurations o Dynamic disk group expansion o Dynamic RAID level migration o Dynamic virtual disks expansion o Dynamic capacity expansion o Dynamic segment size migration o Dynamic defragmentation o Non disruptive firmware upgrades Support for unlimited hot spares 18 DELL PowerVault MD32001 MD3220i Technical Guide Book MD3200i Series Storage Manager Software Packages The MD3200i series Storage Manager software contains the following four packages e Client This package contains the graphical user interfaces GUI for monitoring and managing the storage arrays It also contains an optional monitor service used to send alerts when there is a critical problem with the storage arrays e Utilities This package contains utilities like the MD Configuration Utility that greatly simplifies the steps required to set up iSCSI connections for the storage array and the host servers The package also contains several providers to simplify integration with Microsoft tools VSS and VDS and integration to 3 party management tools that take advantage of SMI S protocols e Agent This package contains software that
14. 00i MD3220i MD1200 MD1220 e Connectors on both ends of the Mini SAS cable are universally keyed Either end of the cable can be connected to the MD3200i RAID controllers or J BODs e To remove the Mini SAS cable pull the pull tab to release the cable from the connector on the EMM and the host system 17 DELL PowerVault MD32001 MD3220i Technical Guide Book MD Storage Manager The MD Storage Manager provides the perfect combination of robustness and ease of use two attributes not commonly found together in an entry level storage management tool The new MD Storage Manager graphical user interface GUI is ideally suited for the full time storage administrator who wants complete control over their storage configuration as well as the part time system administrator who needs an intuitive interface that helps them ensure optimal storage utilization Features of the next generation MD Storage Manager Automated I O path protection with host based multipath failover drivers Centralized management of one or more MD3200i and or MD3220i arrays from any location Backwards compatibility with MD3000 and or MD3000i arrays Integrated storage partitioning snapshot and virtual disk copy functionality o Support for up to 32 partitions o Support for up to 8 snapshots per virtual disk and a total of 128 snapshots per system o Support for up to 8 simultaneous virtual disk copies per array and a total of 255 copies per system RAID levels
15. 2 5 HDD enclosure in any combination that provides them the best mix of drives for their environment as long as they don t exceed a total of 96 drive slots The diagram below shows the proper way to cable J BODs to the MD3200 series of storage arrays If using 100 MD1200 enclosures for storage expansion on an MD3200i a total of seven MD1200 enclosures can be added to achieve a total of 96 HDD If using 100 MD1220 enclosures for expansion on an MD3200i a total of three MD1220 enclosures can be connected Adding three MD1220 enclosures provides a total of 84 HDD slots If using 100 MD1220 enclosures for storage expansion on an MD3220i a total of three MD1220 enclosures can be added to achieve a total of 96 HDD If using 100 MD1200 enclosures for expansion on an MD3220i a total of six MD1200 enclosures can be added to achieve a total of 96 HDD It is important to note that the older 3Gb SAS J BODS MD1000 and MD1120 cannot be used as expansion enclosures on the MD3200i or the MD3220i Figure 12 Expansion and cabling 16 DELL PowerVault MD32001 MD3220i Technical Guide Book SAS Cables The MD3200i and MD3220i arrays and the MD1200 and MD1220 J BODs standardize on the 6Gb s SAS 2 0 mini SAS cable SFF 8088 The Mini SAS cable is unique from the SAS cable used with the previous MD3000i array and MD1000 J BOD Figure 13 Mini SAS Cable Transition SAS to SAS Mini SAS to Mini SAS 3Gb Cable 6Gb Cable MD3000i MD1000 MD32
16. 5 Haute 12 TEX Dans Oa Boc REN adan 16 Figure 135 MINIESAS Cable Transiciones teca ia ad aie e re ce od ito cov p obe d 17 Figure 14 MD Storage Manager Enterprise WindOw sssssnnnn menn 19 Figure 15 MD Storage Manager Setup Tab x15 eria va ici lee aia 20 Figure 16 MD Storage Manager Array WITIOQOW isses nu ieyd aria SR a an das 21 Figure L7 MB SEbrage Manader sbodicalTebsssdenavrpi Eri Oi e rh b ba a E ba o Ra Y P eH ad 22 Figure 18 MD Storage Manager Physical Tab oooocccccccccccncccnnncccccnnnn mme 23 Figure 19 MB Storage Manager Mappings T aD usas cesta acie bl da e ha EY LU VR OHE UA RH arate rie praia 24 Figure 20 MO Storage Manager Setup ab aaa aia 29 Figure Z2 b MD Storage Manager ACCESS EO Task Sian pese nae ee lc ar e e c ti ota 26 Figure 22 MDrSPorage Manager Support Tab scisco qute OP xr ECCE ARO 2 DELL PowerVault MD32001 MD3220i Technical Guide Book Product Overview The MD3200i series of storage arrays were designed with performance in mind Each controller is equipped with four 1Gb Ethernet ports providing total aggregated bandwidth of 800MB s of throughput for a dual controller system which is double the throughput of the MD3000i and most competitive products in the entry level iSCSI SAN array market For small block random access applications like databases the MD3200i series is capable of performing over 2X the IOP performance of the MD3000i making it a great platform for a wide variet
17. D Controller Module in Enclosure 0 Slot 0 front Be O A View Complete RAID Controller Module Properties vew Enclosure Components Base RAID controller module properties Status Online Current configuration Firmware version 87 70 19 74 Appware version 87 70 19 74 Bootware version 87 70 19 74 NVSRAM version N266X 770890 001 Pending configuration Firmware version None Appware version None Bootware version None NVSRAM version None Transferred on None Replacement part number X01 IDE ETE ES 245 hi 4 E ig 0 6G e The drop down menu in the Physical pane allows the user select which physical components they would like displayed in the Properties pane Next is the Mappings tab which provides an overall view of the host to virtual disk mappings configured on the storage array The Mappings window includes both a Topology pane as well asa Defined Mappings pane 23 DELL PowerVault MD32001 MD3220i Technical Guide Book Figure 19 MD Storage Manager Mappings Tab fa MD32xxi_11_12 PowerYault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help mj Ez ae el al 99 MD32xxi 11 12 Happings Defined Mappings p Access Default Group 31 Access ES 1 Host Host1 557 793 GB Standard ES Access Host Host1 31 Access E Default Group E Ho
18. DELL PowerVault MD3200i MD3220I Series of Storage Arrays A Dell Technical Guide Book DELL PowerVault MD32001 MD3220i Technical Guide Book THIS WHITE PAPER IS FOR INFORMATIONAL PURPOSES ONLY AND MAY CONTAIN TYPOGRAPHICAL ERRORS AND TECHNICAL INACCURACIES THE CONTENT IS PROVIDED AS IS WITHOUT EXPRESS OR IMPLIED WARRANTIES OF ANY KIND 2010 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the express written permission of Dell Inc is strictly forbidden For more information contact Dell Dell the DELL logo and the DELL badge PowerConnect and PowerVault are trademarks of Dell Inc Microsoft Windows and Windows Server are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own June 2010 DELL PowerVault MD32001 MD3220i Technical Guide Book Contents EPO IUE COVERI ON aa E O C M I S M E M EM TE AMI DM LEE 3 2 119 E PEE oet A UP M pM LU EE EAE EM D 3 220688 Seral Attached C SS out iactu idad ii Eid means 4 S COMMON EG AiG BELLES sc asdcar E o ON 9 2 1 MD3200 RAID C ntroller Module Vew WEDS usina a reir N 6 AAA 8 AA DIMENSIONS and Wed baaa a Eat 8 AZ FONC VIEW ANG Feature S si n cto u
19. RAGE MANAGER Storage Array View Mappings DiskGroup Virtual Disk RAID Controller Module Physical Disk Advanced Help MERECES MD32xxi 11 12 Mc Logical Logical Properties Storage Array MDS2xxi_11_12 Storage Array MD32xxi 11 12 cen jJ Total Unconfigured Capacity 2 454 TB m cs View Complete Storage Array Profile E n 1 RAID 5 557 793 GB P 1 557 793 GB Summary Profile B us 2 RAID 5 557 793 GB Number of RAID controller modules 2 P 2 557 793 GB High performance tier RAID controller modules Disabled Number of disk groups 2 RAID 6 Enabled Total number of virtual disks used 3 Number of standard virtual disks 2 Number of access virtual disks 1 Total number of virtual disks allowed 256 Physical Disk Limit Management Number of physical disk slots discovered 12 y 4 SIEG The Logical pane provides a tree structured view of the array s disk configurations Clicking the plus sign or the minus sign adjacent to the array will expand or collapse the view These views under the storage array include un configured capacity as well as configured disk groups and their associated virtual disks Snapshots if any can also be viewed from the virtual disk in which they reside The Properties pane provides detailed information about the component selected in the Logical pane The information varies depending on what type of component is selected Information may include whether the compon
20. UGS tada nadaa edant tation Doct reb Sede soe E Ua beri ues ona i rapitur a lait da on p RA 36 Tables Table T Selected Controller Features aria A 7 Table 2 Detallea Dimensions MIN si ito 8 Table 3 MD3200i and MD3220i Front Panel Feature Description sennnn 11 Tabl Supported DATES A ci o e det aor OG CR PE 14 Fable S bportedRAIB GODIOUEF SEDES eeessoisostectntagas otn ae 29 Table 6 POWErSUDDIY SDECITICALIONS ariadna daa 34 Table 7 Environmental Specifications sssssssssssssen eme ees 35 Figures Figure 1 RAID controller architecture of the MD3200i controller ooooocccccccncncccccnnncn rca 5 Figure 2 MD3200i RAID Controller Module View LEDS 9 2 eani tds e Eos HE Eg ER EE Rr ER B PR Hd 6 FIOGUEe 3 MDS2001 and MB3220 DIMENSIONS sous tua uti kura b dote CR D ROUES Fu vg tct o o d 8 Figure 4 MD3200i Front View and Features aia isa idad 9 Figure 5 MD3200r Front Panel Indicators A E A OG 9 Figure 6 MD3220i Front View and Features ivo A Ce e Cia aa 10 Figure 7 MD3200i Front Panel IfnidICaEO Sucia AAA 12 Figure 8 MD3200i and MD3220i Front Bezel Feature and IndicCatorS oooocccccccncncccccnnnnn ne 12 Figure 9 MD3200i and MD3220i Rear VICW cccccccceccseeeeeeeeeeeeeeeeeeeteseeeeeeeeteeteaneeseeettsaneenes 12 Figure 10 Power Supay nacatar CCOCBS aaa eni ara ord DO E ERO on o Oe i ERE 8 12 Figure LT Hard Drive Indicators Includes HDD and SSD uito esse bs ds e Hb Ee Y Ee Eg V Es 1
21. ae sual abocado uaa dotate macie detucdebu D terat lian 9 43 MD3Z00 ana MD3220r Rear VS Wet isa 12 2 Power SUD DIY Indicator COC PRA AR AAA AAA 13 A i a a a Taaie T EAE E E a 14 SS ard Drive lalo loo A AE nr a eaa 15 o ororage Capacity EXDaFS OTI aE AAA E 16 Te SASCSDIBS radiata sico ida 17 os ME Stora de Manada da iaa ca daa 18 8 1 MD3200i Series Storage Manager Software Packages sssssssssssee nn 19 BZ ENCED SE WINGO W acia drid aaa dadas 19 SAN AO AA E o E O AAN 20 O NA E a Y OOOO un ECO 21 9g WOrKInG With Physical a a Lodical DISKS dida ai ida hod vaa vb hd 943 28 CAD eo O O O 28 9 2 Virtual DISK CONF OUT at ON ascdedasuti sd gita tiu kusd4 d d cbr dd deaf dd alud evo aba Rute ad 29 Oa ontgaractonaMet daga dus deest Od dab a rue ta GIA EGER add 29 A Mae sn TOLLERE 30 gatorade Pareo NNO cio a A AAA ol 30 A LA 31 A DI A EET 31 90 Online AGMIMISECALIOM ri diablo a ads 32 O SUDDO arae ION 33 O TOROS OP rating Syscem SUDDO sagas d TO E AR eC n iA tob d a p Ee eu REB EA AC P s 33 T0 ENVIRONMENT ty rcswite Ranked era dau ede aos kued ew Mgtubus dio ii Dated aid Puta plug puedas o dati 33 LOST ROW EF SUDO SUO cat iain etr eb Ub tees ca Mob a no 33 10 2 Thermal Mind Mea A cin 34 1053 Over Temperature SHUt GOW Dias A A 34 DELL PowerVault MD32001 MD3220i Technical Guide Book 10 4 ERVIO mental SpeciICa titanic adidas 35 EL Conmduration Gulden S nsus ico evt abes a Rr v td En VERE NER EN E At 36 Ll General GOMMGURAL TOM R
22. al disk state and status information virtual disk state and status information and controller and subsystem information The metadata on 29 DELL PowerVault MD32001 MD3220i Technical Guide Book each physical disk stores that physical disk s state and status the worldwide name of its disk group the virtual disks it contains and the definitions for those virtual disks Storing metadata in this nonvolatile region provides the highest availability and enables easier reconfigurations and migrations As system configuration data resides on every configured physical disk controllers and or multiple physical disks can be removed or swapped without losing the system configuration Physical disks can be relocated within the storage system to improve channel utilization protection or even migrated as a complete disk group into another storage system In instances all configuration metadata and user data remains intact on the physical disks Global Hot Spares If a physical disk fails in the MD3200i or MD3220i storage array the controller uses redundancy data to reconstruct the data onto a hot spare physical disk The hot spare is automatically substituted for the failed physical disk without requiring user intervention Once the failed drive is replaced the data Is then automatically copied back to the new drive The user then has a choice of allowing the hot spare to return to its role as a hot spare drive or become a permanent member of a disk gro
23. ality RAID levels 0 1 5 6 10 Dynamic virtual disk expansion Greater than 2TB virtual disk size support Dynamic RAID level migration Smart battery allows the controller to monitor Dynamic capacity expansion different parameters on the cache offload batteries such as state of charge and state of health Dynamic segment size migration Dynamic defragmentation Up to 30 hard disk drives per disk group in a RAID5 Non disruptive firmware upgrades and RAID6 and up to 96 drives in a RAIDO or RAIDI DELL PowerVault MD32001 MD3220i Technical Guide Book Chassis Dimensions and Weight The PowerVault MD3200i and MD3220i enclosures use a rack mount 2U chassis Table 2 Detailed Dimensions mm Za Max Sys Model Number Xa with am hal bezel bezel m Eu ele eb 561 0 602 173 BV MD3220i 481 5 446 3 508 0 549 0 Figure 3 MD32001 and MD3220i Dimensions Bezel or Outer Most Feature PowerVault MD3200i Weight maximum configuration 29 3 kg 64 6 Ib PowerVault MD3220i Weight maximum configuration 24 2 kg 53 4 Ib DELL PowerVault MD32001 MD3220i Technical Guide Book Figure 4 Front View and Features MD32001 Front View and Features 12 3 5 or 2 5 SAS drives Figure 5 MD3200i Front Panel Indicators DELL PowerVault MD32001 MD3220i Technical Guide Book MD32201 Front View and Features Figure 6 24 2 5 SFF SAS drives MD32001 Front Panel Indicators Figure 7
24. ent FP POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help mimjojw ejs e gt Blink Change Ownership Preferred Path gt RAID Level gt Logical Add Free Capacity Physical Disks Secure Physical Disks Logical a elete E Storage Array MD32xxi_1 E a Qo g v E Renee p 1 Total Unconfigured C Replace Physical Disks E T 1 RAID 5 557 793 GB View Associated Physical Components GH 1 557 793 GB i Status a Optimal E Uy 2 RAID 5 557 793 GB 2 557 793 GB Q g Capacity 557 793 GB E E ean 5 1 091 TB RAID level 5 ED 3 1 091 TB Media type P Hard Disk Physical Disk DELL PowerVault MD32001 MD3220i Technical Guide Book The final tab is the Support tab which provides a central location when storage array recovery support information or a description of the storage array components are needed Figure 22 MD Storage Manager Support Tab fa MD32xxi_11_12 PowerYault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help MERCEDES MD32xxi 11 12 4 Support Storage Array Support Common Support Tasks E gt Save all information about the storage array such as profile and event log information to a file so that
25. ent is in an optimal status total capacity RAID level media and interface type as well as controller ownership The physical component s overview is provided in the Properties pane and is associated with the logical component selected in the Logical pane A greater detailed view can be found by right 22 DELL PowerVault MD32001 MD3220i Technical Guide Book clicking a component and selecting View Associated Physical Components This physical view can also be retrieved by selecting the Physical tab which will be covered next The Physical tab provides both a physical view of the storage array as well as detailed information regarding the physical components Within the Physical tab the Physical pane appears on the left and the Properties pane appears on the right The Physical pane shows a graphical representation of the physical components in the storage subsystem such as the RAID controller modules and the expansion enclosures while the Properties pane displays detailed information about the component that is selected in the Physical pane Figure 18 MD Storage Manager Physical Tab fa MD32xxi 11 12 PowerVault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help aa ea aj el MD32xxi 11 12 amp Physical Physical Properties Show Physical Disks Pa delo Show RAI
26. for Mercury_SAS 19 DELL PowerVault MD32001 MD3220i Technical Guide Book The Enterprise Window Setup tab is also accessible in the Enterprise Window This Setup tab provides quick access to common setup tasks For example from the Setup tab window a user can upgrade controller firmware set alert notifications email and SNMP and perform other high level configuration functions Figure 15 MD Storage Manager Setup Tab PowerYault Modular Disk Storage Manager Enterprise Management POWERVAULT MODULAR DISK STORAGE MANAGER Edit View Tools Help 5s e Eel 5 e ET 4 Setup Initial Setup Tasks Management Domain Edo Add Storage Array 4dd storage arrays so that they can be configured or managed don Mame Rename Storage Arrays 338 Name or rename storage arrays to make them easier to differentiate e Confiqure Alerts Configure alerts to send email or SNMP notification about problems Array Management pa Manage a Storage Arra Launch the Array Management Window to perform configuration tasks E3 Upgrade RAID Controller Module Firmware Upgrade firmware on multiple storage arrays concurrently Note You MUST use this option in the Enterprise Management Window EMW to upgrade a storage array From pre 07 xx xx xx RAID contro Accessibility CA Inherit System Settings La Inherit system settings for color and Font allows the PowerYault Modular Disk Storage Manager s
27. g Fan Modules 12 DELL PowerVault MD32001 MD3220i Technical Guide Book Figure 10 Power Supply Indicator Codes I ____ 2 M 9 Gra 15050 ate 959509596 3 zd 2020 0 0 eee Power Indicator Description DC Power The LED lights green when the DC output voltage is within the limit If this LED is off it indicates that the DC output voltages are not within the limit Power supply cooling fan The LED lights amber when the DC output voltage is not fault within the limit or a fault with the fan is detected If this LED is off it indicates that no fault condition is present AC Power Ed The LED lights green when the AC input voltage is within the limit If this LED is off it indicates either there is no power or the AC input voltage is not within the limit 13 DELL PowerVault MD3200i MD32201 Technical Guide Book Hard Drives The MD3200i and MD3220i support SAS hot pluggable HDDs hard disk drives and SSD solid state drives MD3200i allows for both 3 5 inch and 2 5 inch form factor drives and the MD3220i allows for 2 5 inch form factor drives Note that 2 5 HDD in the MD3200i requires a unique drive carrier that houses a 2 5 HDD and fits into a 3 5 HDD slot Any combination of SAS rotational speeds and SSD drives can be mixed within an MD3200i or MD3220i enclosure Table 4 Supported Drives 2 5 SAS HDDs up to 6Gb s SSDs up to 3Gb s 3 5 SAS HDDs up to 6Gb s SATA
28. i Technical Guide Book Each controller has the following external connections e Four 1Gb Ethernet ports for host connectivity e One 6 Gb s SAS port for drive enclosure expansion for additional capacity e One Ethernet management ports for LAN out of band management e One PS 2 serial interface for service Figure 2 MD3200i RAID Controller Module View LEDs 1Gb Ethernet PS 2 serial port for port for 1Gb Ethernet ports management service for host connectivity 6Gb SAS port for drive expansion MD32 Series A ee Green O OFF No power applied Controller Fault Amber N OFF The controller is operating normally TA ON The controller has defaulted Controller Identifier 0 Indicates the location of the enclosure within the system A el 6 DELL PowerVault MD32001 MD3220i Technical Guide Book LED Term General Behavior ON Data is in cache Battery Fault Amber OFF The battery is operating normally ON The battery has defaulted or is missing Password Reset Switch N A die A button which allows the user to reset the up default MD Storage Manager password Table 1 Selected Controller Features Automated I O path protection with host based One or more virtual disks per disk group multipath failover drivers Automatic drive failure detection and rebuild Up to 256 virtual disks using a global hot spare drive Integrated storage partitioning snapshot and Dynamic disk group expansion virtual disk copy function
29. ides notification when the repository virtual disk nears a user specified threshold a percentage of its full capacity And at any time the volume expansion feature can be used to dynamically expand the repository virtual disk Virtual Disk Copy The MD3200i series of arrays Virtual Disk Copy functionality provides administrators with another tool to effectively manage information growth and maximize the utilization of the storage array Virtual disk copy creates a complete physical copy or a clone of a virtual disk within a storage array The clone virtual disk is a unique entity that can be assigned to any host and used by applications requiring a point in time PIT copy of production data such as backup application testing or development information analysis or data mining without affecting the performance of the production virtual disk Virtual disk copy is configured and accessed via easy to use wizards It supports up to eight concurrent copies taking place within a single array Virtual disk copy is a background Virtual operation with five user defined priority settings enabling Virtual disk administrators to minimize either copy time or the overall I O disk Copy impact to the storage system As virtual disk copy is controller 31 DELL PowerVault MD32001 MD3220i Technical Guide Book based it requires no host interaction or CPU cycles minimizing the impact to applications and the storage infrastructure Virtual
30. interface drives are not supported with the MD3200i and MD3220i 6Gb s SAS interface HDDs and 3Gb s SAS interface SSDs are configured in the MD3200i and MD3220i from Dell s factory 3G6b s SAS interface HDDs are supported in the field with the supported MD3200i carrier The front bezel of the system contains a lock A locked bezel secures the system hard drives 14 DELL PowerVault MD32001 MD3220i Technical Guide Book Hard Drive Indicators Figure 11 Hard Drive Indicators includes HDD and SSD 1 hard drive activity indicator green 2 hard drive status indicator green and amber Drive Indicator Description Blinks green two times per second Identify drive preparing for removal Drive ready for insertion or removal NOTE The drive status indicator remains off until all hard drives are initialized after system power is turned on Drives are not ready for insertion or removal during this time 15 DELL PowerVault MD32001 MD3220i Technical Guide Book Blinks green three seconds amber Rebuild aborted three seconds and off six seconds Storage Capacity Expansion Both the MD3200i and MD3220i systems are capable of supporting up to 96 total hard drives Adding additional drives past what the base platforms hold is a simple matter of connecting either MD1200 and or MD1220 J BODs to the expansion ports on the MD3200i series of arrays Users can mix and match the MD1200 3 5 HDD enclosure and the MD1220
31. ks in the group physical disks in the group Good for reads small IOPS Same advantages as RAID 5 Performance due to Performance as parallel multiple requests Advantages 3 operation of the can be fulfilled access simultaneously No redundancy One physical disk fails data is lost Storage costs are Disadvantages doubled Virtual Disk Configuration A virtual disk is a logical structure on a storage array for data storage A virtual disk is created by slicing a disk group into a stripe set with a defined capacity Each disk group supports up to one or more virtual disks and a maximum of 256 virtual disks per MD3200i series of storage system During the virtual disk creation process the user specifies the capacity of the virtual disk and the virtual disk name Additional settings include preferred but with better data protection Two hard drives can fail without losing access to data many concurrent IOPS and random I Os Parity utilizes small portion of raw capacity Overhead on writes will be slightly more demanding than RAID 5 Writes are particularly demanding Disk Group A 1 gt in a ia vm i E Virtual Disk controller ownership and a virtual disk to LUN mapping parameter See Storage Partitioning section Configuration Metadata MD3200i series of controllers store configuration metadata in a private 512 MB region on every configured physical disk This metadata area contains physic
32. lp is available for detailed instructions on how to accomplish any of the tasks in the Array Window to optimally configure the storage array Recovery Guru If a problem should ever arise with the array the Recovery Guru provides valuable troubleshooting assistance by diagnosing storage array problems and determining the appropriate procedure to use for recovery The Recovery Guru displays a summary list of storage array problems detailed information 2 DELL PowerVault MD32001 MD3220i Technical Guide Book about a selected problem and recovery steps to follow for the selected problem Working with Physical and Logical Disks Disk Group Configuration A disk group is a set of physical disks that the controller logically groups together to provide one or more virtual disks to a host Each disk group is comprised of the same drive technology i e SAS near line SAS or SSD and has an assigned RAID level While multiple RAID levels can be intermixed in a single MD3200i series storage array each disk group has a single RAID level The number of physical disks that make up a disk group can be selected manually or automatically When using the MD Storage Manager software s automatic Disk Disk Disk Disk configuration option disk groups will be configured balancing the load across as many physical disk channels and physical disk modules as possible This ensures maximum protection and performance Disk Group A MD Storage Manager soft
33. oftware to use settings you define through your operating system 4 Launched Array Management Window for MD32xx 13 14 There are two ways to select an array to manage from the Enterprise Window This includes e Clicking the Manage a Storage Array in the Setup tab then select the desired storage array or e go to the Devices tab and double click on a storage array Either of these two options will open the Array Window for the selected storage array Array Window The Array Window provides all of the functions to configure maintain and troubleshoot any individual storage array Multiple Array Windows can be open at the same time to manage multiple storage arrays if the need to do so ever arises The Array Window is designed to be both informative and intuitive From any of the six primary tabs located on the Array Window Summary Logical Physical Mapping Setup and Support users can simply make changes on the fly to quickly adapt their array to meet their needs 20 DELL PowerVault MD32001 MD3220i Technical Guide Book Figure 16 MD Storage Manager Array Window fa MD32xxi 11 12 PowerVault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage Array View Mappings DiskGroup Virtual Disk RAID Controller Module Physical Disk Advanced Help gj Eel e of e al oF E MD32xxi 11 12 Storage Array Profile Total capacity 4 744 402 GB a Storage array status is
34. pings Array Logical Drive Controller Drive Adwanced Help or by going to the Logical Physical or Mappings tabs in the AW and right clicking on the appropriate object i e storage array virtual disk drive controller etc For example right clicking on an array provides the same options as clicking on the Setup tab or the top pull down menus options Figure 21 MD Storage Manager Access to Tasks Gt a EN 31 2 1 a MD32xxi 11 12 PowerVault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STORAGE MANAGER Storage rray View Mappings Disk Group Virtual Disk RAID Controller Module Physical Disk Advanced Help _ S80 2 vial al el Logical Logical E a Storage rray MD32xxi_11_12 Disk Group 2 Total Unconfigured Capacity 837 373 GB B Ly 1 RAID 5 557 793 GB View Associated Physical Components UD 1 557 793 GB Status Q Optimal E Greate 215 i 26 s acity 557 793 GB B Oy 3 RaID View Associated Physical Components ID level 5 Change Ma e 2510 Controller Module in Slot O Preferred RAID Level gt RAID Controller Module in Slot 1 Add Free Capacity Physical Disks Secure Physical Disks erface type SS SAS I Delete closure loss protection No Rename Replace Physical Disks urity Capable No fa MD32xxi_11_12 Power ault Modular Disk Storage Manager Array Managem
35. provides a scalable point to point topology capable of addressing storage connectivity at many levels As SAS enters its second generation the standard is evolving to enable better bandwidth utilization easier management mechanisms and network robustness 6Gb s SAS 2 0 not only doubles the current data transfer rate it provides standardized zoning self discovery and self configuration methods to expanders This makes larger and more complex topologies easier than ever to implement Key features of SAS 2 0 e 6Gb s SAS Signaling doubles the transfer rate from 3Gb s to 6Gb s e DFE Decision Feedback Equalization increases cable limit to 10m 2 4 is typical e Supports SAS mini connectors SFF 8088 and SFF 8087 e SSC Spread Spectrum Clocking ease of design implementation reduce peak amplitude of radiated emissions e Supports SED Self Encrypting Drive with Instant Secure Erase e Delivers 2 generation SAS Discovery e Standardized Zoning e Expanded to 256 devices e Discovery executed by SAS Expanders e Reduces time to discover large topologies DELL PowerVault MD32001 MD3220i Technical Guide Book Controller Architecture Figure 1 RAID controller architecture of the MD3200i controller SCSI TOE X4 1Gb Eth 32 lane 8 port 4 NIC KESE PCI E Switch uj O 0 4 2GB DDR II DDR II 6Gb SAS 800MHz 36 Port
36. sion factors DELL PowerVault MD32001 MD3220i Technical Guide Book Advantages of iSCSI technology include e Expansive Reach As a routable transport with no distance limitations IP SANs can be located almost anywhere The reach of a SAN throughout the organization is most often limited by the distance restriction of the interface iSCSI removes these distance limitations to limitless boundaries and extends its scope well beyond the corporate data center to remote locations as well e Minimal Investment SCSI allows businesses to control their storage expenses without completely retro fitting their existing network iSCSI creates IP based SANs which allows organizations to capitalize on components of their existing IP infrastructure by delivering block based storage across an IP network Organizations do not have to invest in a new storage only infrastructure such as with FC which can be costly e Enormous Knowledge and Experience Base SCSI allows almost all organizations to capitalize on existing IT skill sets to create IP based SANs as In house networking expertise is standard throughout most companies today An end user does not have to learn a new networking protocol and go through extensive and sometimes expensive training such as with FC Asa mature well understood technology with a broad range of proven management tools SCSI is easily deployed by administrators with LAN experience 6Gb Serial Attached SCSI SAS 2 0 SAS
37. st Host2 Bl Unassociated Host Port Identifiers E 0 Host nosti The Topology pane shows a tree structured view of virtual disk that are related to the storage partitions Click the plus sign or the minus sign adjacent to a node to expand or collapse the view Users can right click a node to open a pop up menu that contains the applicable actions for that node Views include undefined mappings within the storage array as well as the servers connected to the storage array Once a virtual disk is selected the Defined Mappings pane will provide mapping information pertinent to that node By clicking on the storage array for example the virtual drives associated with the storage array will be listed as well which hosts they are accessible by By selecting a host the user can also see a list of virtual disks assigned to it The user can also create mappings by right clicking on a virtual disk in the Topology pane and selecting Partitioning which allows them to create mappings via a Wizard and will quickly create a new single partition A user can also select Define Additional Mappings to define additional mappings This step allows the user to map the virtual disk to additional host of host groups in an existing storage partition 24 DELL PowerVault MD32001 MD3220i Technical Guide Book The next tab is the Setup tab which provides access to nearly all routine administrative tasks that a user would typically run into
38. support multiple RAID levels 0 1 5 10 and 6 multiple drive technologies SSD SAS and near line SAS multiple and various disk group sizes and one or more virtual disks per disk group Below are general configuration rules for MD3200i series of arrays Up to 8 direct attached servers with single I O paths to a dual controller storage array Up to 4 direct attached servers with redundant I O paths to a dual controller storage array Up to 32 physical hosts can be supported on a single storage system includes both single and dual controller models Up to 96 total drives consisting of SSD SAS and or near line SAS drives per storage system SSD drives are limited to a single shelf 12 drives for a MD3200i or 24 drives for a MD32201 MD1200 and or MD1220 storage enclosures can be add to a MD3200i or MD3220i storage array for expansion up to 96 total hard drives Up to 30 hard disk drives per disk group in a RAID 5 and RAID 6 Up to 96 hard disk drives per disk group in a RAID1 10 Each disk group can be configured as RAID level 0 1 5 10 or 6 Disk groups with different RAID levels can coexist in a single storage system Disk groups are comprised of either SSD or SAS drives A given disk group cannot have both SSD and SAS drives Up to 256 virtual disks LUNs per storage array Each virtual disk can support 8 snapshots with a maximum of 128 snapshots per storage array 36
39. t multi OS environments 2 Host The virtual disk to LUN mapping implementation creates valuable flexibility for the storage administrator as any available virtual disk can be mapped to any attached server So while the individual servers see a virtual array that consists of only their LUNs virtual disks the virtual disks can be intermixed throughout the storage system within one or more disk groups The system s logical partitioning combined with its configuration capabilities enables administrators to choose from a range of virtual disks with different characteristics to meet a server s exact needs for a given application A given host can concurrently have virtual disks with different capacities different RAID levels and different physical disk types This flexibility enables hosts with different capacity performance or data protection demands to effectively share a single storage array unmapped virtual disk DELL PowerVault MD32001 MD3220i Technical Guide Book Snapshot The MD3200i series of arrays Snapshot functionality provides an additional level of data protection and the means to improve production data utilization Snapshot enables non production servers to access an up to date copy of production data for a variety of applications including backup application testing or data mining while the production data remains online and user accessible Source Snapshot A snapshot is a point in time image of a
40. te virtual disk availability and is enable it to be instantly mapped and accessed by a host s e Dynamic Virtual Disk Expansion This feature allows for the capacity expansion of an existing virtual disk by using the free capacity on an existing virtual disk group And since dynamic virtual disk expansion concatenates combines the new capacity with the original capacity maximum performance and utilization is assured e Dynamic RAID Level Migration This level of migration changes the RAID level of a virtual group on the existing drives without requiring the relocation of data With this dynamic feature customers can easily adjust RAID levels when their application availability or performance needs change e Dynamic Segment Size Migration With this feature the segment size of a given virtual disk can be dynamically changed e Dynamic Defragmentation Dynamic defragmentation allows the user to rearrange virtual disks and consolidates free capacity within a virtual disk group resulting in optimized access patterns for existing and newly created volumes 32 DELL PowerVault MD32001 MD3220i Technical Guide Book e Non disruptive firmware upgrades Enables controller firmware upgrades to occur with no interruption to data access The new firmware is transferred to the first controller its flash memory is updated and the controller is rebooted The firmware is then passed from the first controller to the second and the process is repea
41. ted With a multi path driver installed access to all storage arrays virtual disks is maintained throughout the process SCSI Support The MD3200i series of storage arrays support all industry standard GbE switches and NICs The MD3200i series of arrays do not support 10 100 directly connected to the array with the exception being the management port The free initiators that ship with the Windows and Linux operating systems are the preferred connectivity choice for the arrays These initiators provide ample performance for this class of array Host Operating System Support The MD3200i series of storage arrays support the following operating systems e Microsoft Windows 2008 e Microsoft Windows 2003 e Microsoft Hyper V e RedHat Enterprise Linux e SuSE Enterprise Linux e VMware e Xen Server Please consult with the MD3200i MD3220i Support Matrix for a complete list of supported configurations Environmental Power Supply Specs The PowerVault MD3200i and MD3220i power supply is rated at 600 W It operates on input voltages ranging from 100 240 V auto switching to the sensed line level EMC classification is Light Industry FCC classification is Class A 33 DELL PowerVault MD32001 MD3220i Technical Guide Book Table 6 Power Supply Specifications Input Voltage Range 90 264 VAC Input Frequency 47 63 HZ Peak Inrush Current 55 A for 10ms or less 25 A for 10 150ms Power Factor over full AC input range 0 9
42. up therefore eliminating the copy back process The replacement drive in this case would then be in an unassigned state This feature may be appealing as it reduces the degraded mode time by avoiding the copy back process The MD3200i and MD3220i storage arrays both support an unlimited number of global hot spare physical disks and each can be a spare for any like technology disk in the array 1 e SAS for SAS near line SAS for near line SAS and SSD for SSD Generally speaking the physical disks that are assigned as a hot spares should have a capacity that is equal to or greater than the capacity of the largest physical disk in the storage array Storage Partitioning The MD3200i series of arrays Storage Partitioning feature enables a single storage array to be logically partitioned and function as up to 32 virtual arrays A storage partition is a logical entity consisting of one or more virtual disks that are accessed by a single host or shared among a collection of hosts that are part of a host group A storage partition is created when one or more virtual disks are mapped to an individual host or host group This virtual disk to LUN mapping allows you to define what host or host group will have access to a particular virtual disk in your storage system Hosts and host groups can only access data through assigned virtual disk to LUN mappings Partition access is maintained at the controller level ensuring complete data integrity in multi hos
43. ut a selected problem and recovery steps to follow for the selected problem e The Capacity section provides an indication of the total capacity available on the storage array as well as the configured and available capacity e The Disk Groups amp Virtual Disks area provides basic information on the number of disk groups virtual disks and RAID levels used on the storage array In addition a link is provided to allow the user to view additional disk group and virtual disk information in a non embedded dialog e The Hardware Components area provides basic hardware information about the selected storage array such as the number of physical disks media types and if there are any configured hot spare physical disks 21 DELL PowerVault MD32001 MD3220i Technical Guide Book e The Hosts Mappings area provides information about the number of hosts virtual disk mappings and storage partitions that have been configured There is also a link provided to allow the user to get more detailed information about the hosts and mappings by launching a non embedded dialog e The Information Center area provides links to various help related information and tutorials The Logical tab is the second tab accessible from the Array Window and contains two panes the Logical pane and the Properties pane Figure 17 MD Storage Manager Logical Tab fa MD32xxi_11_12 PowerYault Modular Disk Storage Manager Array Management POWERVAULT MODULAR DISK STO
44. ware also provides the ability to dynamically add additional physical disks to existing disk groups Existing virtual disks are then re striped across all physical disks in the newly expanded disk group This takes place while the disk group and all its virtual disks remain online and accessible for I O The selection of the RAID configurations is equally critical for each application to meet the desired data availability performance or capacity requirements And like physical disk types and configuration settings the MD3200i series of arrays support the intermixing of RAID configurations to provide maximum flexibility and utilization RAID 5 is generally considered the best balance of cost performance and reliability The table below outlines the tradeoffs of the various supported RAID configurations 28 DELL PowerVault MD32001 MD3220i Technical Guide Book Table 5 Supported RAID Configurations Min of physical disks in a disk group Max of physical disks in a disk o bord o o5 30 30 group secle Capacity ae 100 50 66 67 to 96 67 50 to 93 33 Of raw capacity Application IOPS MB s IOPS IOPS MB s IOPS MB s Physical disks operated independently with data and dual parity blocks are distributed across all Physical disks operated independently with data and parity blocks distributed across all Data is mirrored to another physical disk Data is striped across multiple physical disks physical dis
45. y of applications and IT environments When it comes to flexibility the MD3200i series of storage arrays is second to none There are four base offerings to choose from allowing users to best meet their specific IT demands and budgets e MD3200i single controller model A single RAID controller in a 2U 12 drive 3 5 HDD enclosure provides the lowest cost with the highest storage capacity offering when using large near line SAS drives e MD3200i dual controller model Dual active active controllers in a 2U 12 drive 3 5 HDD enclosure provides a high availability and high capacity storage offering when using large near line SAS drives e MD3220i single controller model A single RAID controller in a 2U 24 drive 2 5 HDD enclosure provides a low cost high spindle count storage solution that maximizes IOPS when using SSD or 15K 2 5 SAS drives e MD3220i dual controller model Dual active active controllers in a 2U 24 drive 2 5 HDD enclosure provides the combination of a highly available storage solution with a high spindle count to maximize IOPS when using SSD or 15K 2 5 SAS drives This series of arrays raises the bar for scalability in the entry level storage space Each model is capable of support up to 32 physical servers when connected to one or more 1Gb Ethernet switches Additional storage capacity can be added up to a maximum of 96 HDD via the MD1200 and or MD1220 enclosures Users can also mix 3 5 and 2 5 enclosures
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