5.25-inch Mirror Drive SCSI MODEL AXRA
Contents
1. Setting DIP switch No DIP switch setting Single ended mode OFF 1 OFF Reserved OFF 2 OFF Auto spin mode ON 3 ON Reserved OFF 4 OFF Setting TERMPWR switch Factory default setting Setting Switch setting TERMPWR switch ON ON Setting buzzer switch Factory default setting Setting Switch setting Buzzer switch ON ON 44 5 25 inch Mirror Drive SCSI Model User s Manual Appendix D Replacement Parts The following are supplied as user replaceable parts Replacement Parts Part name Part number 40 GB drive unit A202760 Replacement drive unit for AXRA N402S Controller unit A202749 Replacement controller unit for AXRA N series SCSI Part name Part number SCSI cable A202790 SCSI cable for AXRA N402S With terminator With terminator 45 Storage Vision Co Ltd Information For more information about this product please contact your distributor Distributor s information Product Records Model Name Model Type Serial Number Manufacturer STR Y y This product is manufactured by Storage Vision Co Ltd in Japan http Awww str v com 462. Never remove or exchange the drive units except to replace controller units or drive units since the Mirror Drive controls drive units by using its serial number Thus removal or replacement may result in failure to boot up the host computer When installing it in the host computer s bay mount the Mirror Drive securely using the mounting screws provided 0 49 Nm recommended nthe event of a drive unit failure it may take up to 25 seconds to start up the Mirror Drive The host computer may yet fail to recognize due to BIOS timeout settings Storage Vision Co Ltd Handling Static Sensitive Devices To prevent damage to components from static electricity observe the following precautions when handling this product Before handling the Mirror Drive or other static sensitive devices touch a metal object such as the metal enclosure of the host computer to discharge any static electricity from your body Always handle components carefully Never touch exposed circuitry When replacing controller units or drive units or when moving the Mirror Drive place the antistatic bag in which this product was shipped on a flat level surface Work on the Mirror Drive in this area Vi 5 25 inch Mirror Drive SCSI Model User s Manual Mounting on Host Computer Install the Mirror Drive oriented horizontally as in A below Mounting the Mirror Drive in an orientation other than the one specified may increase operating tempera
3. The above the diagram is set to the factory shipping defaults Do not change switches 1 2 and 3 Storage Vision Co Ltd 4 1 1 Normal Mode Do not change DIP switch 1 settings switches 1 2 3 are set to mirror mode Do not change this setting Q Impo rant Resetting normal mode will result in loss of data 4 1 2 SCSI ID Select a SCSI ID from O to 15 using binary DIP switch 1 SW4 through SW7 If you change the default value make sure the new SCSI ID is unique ON OFF ON i eee eee O m paa e 155 TE 2108 IDO ID ID2 ID3 The setting shown above sets the device SCSI ID to 0 SCSI ID 0 10 5 25 inch Mirror Drive SCSI Model User s Manual 4 1 3 Write Cache Mode This setting sets the write cache mode If set to the Up position for ON the Mirror Drive will signal completion of command processing to the host computer when data has been written to cache memory If set to the Down position for OFF the Mirror Drive will signal completion of command processing to the host computer when data has been written to the drive unit Be sure to follow the shutdown procedure specified for the host computer operating system Always observe the shutdown procedure specified for the host computer operating system In emergencies wait at least 10 seconds to be sure both the access indicator and Q Important the drive st
4. LS06 open corrector pull up resistor Part name Pin8 Manufacturer Mirror Drive header DF11 8DP 2DSA HIROSE Electric Co Ltd recommended External connectors connector side DF11 8DS 2C HIROSE Electric Co Ltd contacts recommended External connectors connector crimp DF11 2428SCF SC HIROSE Electric Co Ltd 40 5 25 inch Mirror Drive SCSI Model User s Manual A 2 2 External LED Output Signal This table shows the pin configuration status definitions external connection circuit diagram electrical specifications and connector specifications for the external LED connector The connector signal pins are configured as follows Pin Number Pin configuration Drive unit 1 green LED GND Pin Number ERE Drive unit 2 green LED GND Drive unit 2 red LED Output signals and drive status indicators Mirror Drive of correspond as below Mirror Drive Drive status indicators External LED output signal Pin 1 Pin 3 Pin 4 Pin 6 Drive unit 1 green LED ON OFF OFF OFF Drive unit 1 orange LED ON ON OFF OFF Drive unit 2 green LED OFF OFF ON OFF Drive unit 2 orange LED OFF OFF ON ON 41 Storage Vision Co Ltd The internal circuitry of external LED output signal indicate as follows 3300 AM Pin 1 gt Drive unit 1 green LED Pin 2 o 3300 Ping ive uni
5. When replacing controller units place the antistatic bag in A Caution which this product was originally packed on a flat level surface Work on the Mirror Drive in this area 4 Turn the key of the bezel clockwise remove a lock and open the bezel The drive unit cannot remove when the screw for the drive A Caution 55 30 5 25 inch Mirror Drive SCSI Model User s Manual 6 Carefully pull out the failed drive unitfrom the Mirror Drive 7 Setting the DIP switch 1 and DIP switch 2 of the controller unit for exchange to the same setting as the DIP switch of the failed controller unit DIP switch 2 DIP switch 1 location of DIP switch 1 and DIP switch 2 8 Insert the drive unit into the same numbered bay Insert to slide the drive unit firmly to the backplane with your both hands Drive unit number Drive unit number display location 31 Storage Vision Co Ltd Insert drive unit 1 Insert drive unit 2 9 Tighten the screw with the designated torque 0 29 Nm Recommended z Do not tighten the screw in case of improper connection A Caution Misalignment may lead to malfunction 11 Mount the Mirror Drive in the host computer and firmly connect the SCSI cable and 4 pin internal power cable 12 Turn on the host computer 32 5 25 inch Mirror Drive SCSI Model User s Manual 6 3 2 Replacing the Controller Unit with one drive unit failed With the co
6. Replace the controller unit with a new controller unit while power is off There are two replacement procedures depending on the condition of the drive unit as follows 1 If both drive units are function normally Transfer both drive units to the new controller unit Ensure that each drive unit is inserted into the appropriate drive bays 2 If one drive unit fails Transfer only the correctly functioning drive unit to the new controller unit N Caution Before replacing controller units check to confirm that the host computer has been turned off Before handling the controller unit or drive unit while replacing the controller unit touch a metal object such as the metal enclosure of the host computer to discharge static electricity from your body Avoid subjecting the drive unit or controller unit to vibrations or shock when replacing Subjecting the drive unit or controller unit to vibration or shock may result in malfunction or failure Do not insert hands or tools into empty slots which may lead to electrical shock or malfunctions 29 Storage Vision Co Ltd 6 3 1 Replacing the Controller Unit with both drive units functioning normally Replacement Procedure 1 Prepare the new controller unit specified in Appendix D Replacement Parts 2 Turn off the host computer 3 Disconnect the SCSI cable and 4 pin internal power cable and remove the Mirror Drive from the host computer
7. Source driver lt AW DO Drive unit 1 red LED ON 5 VDC 3300 AN Pin 4 gt Drive unit 2 green LED OFF Open Ml de 3300 AAA Pine DH Drive unit 2 red LED External LED output signal electrical specifications The signal pins 1 3 4 6 Source current output High Max 15 mA The output signal voltage will vary with internal control A Caution resistance Connector specifications Part name Manufacturer Mirror Drive header DF11 6DP 2DS22 HIROSE Electric Co Ltd External connectors connector side DF11 6DS 2C HIROSE Electric Co Ltd recommended a External connectors connector crimp DF14 24288CF SC HIROSE Electric Co Ltd contacts recommended 42 5 25 inch Mirror Drive SCSI Model User s Manual Appendix B Accessories 5 25 inch Mirror Drive SCSI Model AXRA N Series is shipped with following accessories e 5 25 inch Mirror Drive SCSI Model AXRA N Series user s manual This manual Mounting screws x4 43 Storage Vision Co Ltd Appendix C Factory Default Setting The Mirror Drive s factory default setting is as follows Setting DIP switch 1 Factory default setting Setting DIP switch No DIP switch setting 1 OFF Normal mode Mirror mode 2 ON 3 OFF 4 OFF SCSI ID 0 5 OFF 6 OFF OFF Write cache mode ON 8 ON Setting DIP switch 2 Factory default setting
8. Tighten the screw with the designated torque 0 29 Nm Recommended H Do not tighten the screw in case of improper connection A Caution Misalignment may lead to malfunction 9 Close a bezel and lock a key 10 Turn on the host computer 23 Storage Vision Co Ltd 11 In seconds data rebuilding will start while the drive status indicator for the replaced drive unit will light green The drive status indicator for the correctly functioning drive unit will not light The access indicator will flash orange o Im po rtant Do not remove the drive unit while data is rebuilding 12 When data rebuilding is complete the drive status indicator will go out 13 If the drive status indicator for the replaced drive unit does not turn green or turns orange once again repeat the procedure starting with step 2 If you mistakenly replace the correctly functioning drive unit the drive status indicator for both drive units will not light Then the access indicator will flash orange The host computer will be unable to operate the Mirror Drive o Important In this case turn off the host computer Replace the failed drive unit with the new drive unit and replace the correctly functioning drive unit Turning on the host computer will begin data rebuilding 24 5 25 inch Mirror Drive SCSI Model User s Manual 6 2 2 Replacing Both Drive Units Because this is an emergency recovery pro
9. a standard SCSI HDD installing the Mirror Drive simply involves connecting it to a SCSI cable from the host computer 1 1 Features n the event that one of the drive units fails the Mirror Drive will continue to function maintaining data integrity When the failed disk is replaced with a new replacement disk data rebuilding will begin automatically The Mirror Drive is provided with large cache memory capacity for high performance Based on the industry standard SCSI 3 interface the Mirror Drive can be used like any other standard SCSI HDD This product requires no unique device drivers and is compatible with most operating systems Moreover it will be easily daisy chained to a series of existing SCSI HDDs or devices Mirroring technology implemented via hardware reduces system overhead Storage Vision Co Ltd 1 2 Mirroring Mirroring technology involves writing data to two drive units simultaneously If one drive unit fails data is written to and read from the other drive unit 1 3 Cache Buffer Function The Mirror Drive is equipped with large cache memory capacity With write cache mode enabled the Mirror Drive will signal completion of command processing to the host computer when data is written to cache memory The performance will be improved by writing accumulated data to the HDD while the host computer does not access to the Mirror Drive Write cache mode is enabled via DIP Switch 1 The default setting at shipmen
10. drive unit will light orange and the access indicator will not light If the data recovery process skips errors during data Q Im po rtant rebuilding then the data on those sectors will be lost It is recommended you make periodic backups 37 Storage Vision Co Ltd Appendix A Specifications A 1 Product Specification Model name AXRA N402S RAID levels 1 Storage capacity 40 GB Number of LBA 80 414 080 Number of Cylinders 79 775 Number of Heads 16 Sectors 63 Host interface Ultra Wide SCSI LVD or SE Data transfer rate max 40 MB s Number of HDDs 2 External dimensions 146 0 mm W x 219 6 mm L x 81 9 mm H Weight max 2 8 Kg Operational Temperature In operation 5 to 45 C 4 environment Not in operation 40 to 65 C da Humidity In operation 8 to 90 Not in operation 5 to 95 Voltage Vcc 4 85 to 5 25 VDC 11 15 to 13 20 VDC Power supply ripple 2 max 100 mV p p 0 to 20 MHz Power startup time 3 5 to 100 ms Startup max 3 2 A 5 VDC 3 6 A 12 VDC Ce ala on idle max 1 5 A 5 VDC 0 8 A 12 VDC Read Write max 1 9A 5 VDC 1 5 A 12 VDC Note 1 With no condensation 2 Including startup time 3 Time until Vcc reaches 4 85 V and 11 15 V 4 When mounting in your host computer provide sufficient cooling to keep the surface temperature of the drive unit below 60 C 38 5
11. drive unit is replaced with a new drive unit data rebuilding will begin automatically When replacing a drive unit check to be sure that the drive status indicator lightsorange Before replacing the failed drive unit be sure to prepare the drive unit designated by ADTX as described in Appendix D Replacement Parts Do not replace with HDDs other than the designated model even if the capacity manufacturer or model numbers on the label are same Using unauthorized HDD will result in malfunction or damage The warranty does not cover any damages resulting from replacement with Q Important non specified HDD and ADTX will not be liable for any consequences of using identified HDD If the drive status indicator light orange immediately replace the specified drive unit with a new drive unit Leaving the Mirror Drive with a single operating drive unit will result in data loss if the other drive unit fails Before handling the controller unit or drive unit while replacing the drive unit touch a metal object such as the metal enclosure of the host computer to discharge static electricity from your body Caution Avoid subjecting the drive unit or controller unit to vibrations or shock when replacing Subjecting the drive unit or controller unit to vibration or shock may result in malfunction or failure Do not insert hands or tools into empty slots which may lead to electrical shock or malfunctions
12. in malfunctions or disk failure Do not use the Mirror Drive in locations or circumstances subject to condensation Rapid temperature changes may cause condensation to form on the Mirror Drive itself If you believe condensation has occurred leave the Mirror Drive to acclimate to the new environment Avoid using the Mirror Drive until it reaches the new ambient temperature Do not place the Mirror Drive near electronic components with strong electromagnetic fields such as televisions or loudspeakers Use of the Mirror Drive in such locations may result in malfunctions or disk failure Turn power off before moving the unit with the Mirror Drive This will prevent damage to the HDD and other internal components of the Mirror Drive Do not turn power on immediately after turning power off or turn power off immediately after turning power on Leave at least 20 seconds between successive operations involving powering on or off This will help prevent damage to or malfunction of the mounted HDD The HDD motor spindle requires about 20 seconds to stop rotating and come to a full rest In addition if removing the correctly functioning drive unit for replacement turn power off and wait at least 20 seconds Do not remove the correctly functioning drive unit while power is on The Mirror Drive will detect it failed if the drive unit is removed Removing the no failed drive unit may damage the disk heads and platter inside the HDD Store the Mirror Dri
13. 25 inch Mirror Drive SCSI Model User s Manual A 2 External Output Signal Specifications A 2 1 Status Output Signal This table shows the pin configurations status definitions internal circuitry electrical specifications and connector specifications for the status output signal The connector signal pins are configured as follows Pin Number Signal Pin configuration 1 GND 2 VCC 3 Status bit 2 8642 4 Status bit 1 oo ao 5 Status bit 0 p oe Pe 6 GND 7531 7 Reserved 8 GND Status output is transmitted in 3 bit signals as follows it fai L Controller unit failure 1 Mirror Drive startup processing Initializing H TTL level output high L TTL level output low Note 1 The following may indicate damage to the controller unit If both drive units fail to power on If both drive units are properly connected with power on If the correctly functioning drive unit is erroneously replaced rather than the drive unit that failed 39 Storage Vision Co Ltd The internal circuitry of status output signals indicate as follows 45 VDC Q 200 mA Fuse 45 VDC Q Koc TSTS Status bit connector Pin1 Pin2 Status bit 2 Status bit 1 Do Do Pin3 Pin4 Status bit O Pin5 Status output signal uses Each output has a 10 KO Connector specifications Do Pin6 Pin7
14. 3 3 Connecting Cables 1 Connect a 4 pin internal power cable supplied DC 5 V and 12 V 2 Connect an internal SCSI cable to the host computer or to other existing SCSI peripherals If the Mirror Drive is the last device in the SCSI chain install the SCSI terminator to the cable SCSI connector Power connector If the Mirror Drive is of the last device in the chain or is the only SCSI device in use attach a terminator to the SCSI cable Using the Mirror Drive without the terminator will result A Caution in malfunctions or failure We strongly recommend using the shortest possible SCSI cable that complies with the SCSI 3 standard 3 4 Turning on Main Power Turn on power for the host computer and confirm that the host computer recognizes the Mirror Drive Before turning on power for the host computer confirm that A Caution SCSI IDs are properly set and that the SCSI cable and the power cable are correctly connected 5 25 inch Mirror Drive SCSI Model User s Manual 4 Settings 4 1 Configuration DIP Switch 1 Setting DIP switch 1 can be used to select SCSI ID and write cache mode Setting DIP switch 1 is located in the lower left 8 bit DIP switch SW8 Write cache mode SW4 7 SCSI ID Refer to 4 1 2 SCSI ID Po SW1 3 Normal mode Caution Before setting DIP switch 1 make sure the power supply for the host computer has been switched off
15. 6 2 1 Replacing a Drive Unit Replacement Procedure with power on 1 Prepare the new drive unit specified in Appendix D Replacement Parts 2 Confirm correct identification of the failed drive unit by the drive status indicator or buzzer 3 Turn the key of the bezel clockwise remove a lock and open the bezel 19 Storage Vision Co Ltd 4 Remove the screw with the drive unit intended to replace in the left side AN Caution The drive unit cannot remove when the screw for the drive unit is fixed 5 Carefully pull out the failed drive unit from the Mirror Drive E g When drive unit 1 failed 6 Insert to slide the new drive unit firmly to the backplane with your both hands 20 E 9 When drive unit 1 failed 5 25 inch Mirror Drive SCSI Model User s Manual 7 Tighten the screw with the designated torque 0 29 Nm Recommended Do not tighten the screw in case of improper connection A Caution Misalignment may lead to malfunction 8 Close a bezel and lock a key 9 In seconds data rebuilding will start while the drive status indicator for the replaced drive unit lights green The drive status indicator for the correctly functioning drive unit will not light The access indicator will flash orange Q Impo rtant po noi remove the drive unit while rebuilding data 10 When data rebuilding is complete the drive status indicator will g
16. Drive SCSI Model User s Manual id c rcr D 16 9 2 External Output Signal sss meme eee 17 9 2 1 Status Output Signal Ls ens 17 D MD MEER 17 6 Removal and Replacement LL 18 6 1 Troubleshooting A EEEE EEEE EEEE EEEE EEEE 18 6 2 Replacing Drive Units MM 19 LE n M M Tn 19 6 2 2 Replacing uu MM 25 6 3 Replacing the Controller Unit sss men 29 6 3 1 Replacing the Controller Unit with both drive units functioning normally 30 6 3 2 Replacing the Controller Unit when one drive unit fails 33 IA RC 37 6 5 Data Rebuilding esses eee eee e e e e ere err e rrr 37 AppendixA Specifications uus 38 A 1 Product Specification sisse eee ens 38 A2 Extemal Output Signal Specifications cc eraa dedi reac etwas De a qo 39 A 2 1 Status Output Signal uus 39 A 2 2 External LED Output Signal isses ees 41 Appendix B Accessories EA o cr uus A UD UD ETATE 43 AppendixC Factory Default Setting csi ci de RS cocus os AE ARP ELS 44 Appendix D Replacement Parts aa egarenc ies ai 45 ubl a L c 46 Storage Vision Co Ltd UOC OU ON dd OU du LD 5 25 inch Mirror Drive SCSI Model User s Manual 1 Introducing the 5 25 inch Mirror Drive Incorporating two 3 5 inch disk drives the ADTX 5 25 inch Mirror Drive uses mirroring technology to safeguard data and to provide uninterrupted operations Since the host computer will recognize the Mirror Drive as
17. I peripherals 4 2 2 Auto Spin Mode This setting is for automatically rotating the motor spindle of the HDD when power is turned on If this setting is disabled set to OFF the down position the peak current at the start of the Mirror Drive may be reduced somewhat since the spindle motor will not begin rotating at the same time that the host computer starts up In this case have the host computer issue the START UNIT COMMAND to the Mirror Drive when power is turned on 4 3 TERMPWR Switch TERMPWR setting by this switch TERMPWR switch is located in the left side Jumper pin ON OFF A Caution Aways set this TERMPWR switch to ON 13 Storage Vision Co Ltd 4 4 Buzzer Switch If set to the Up position for ON a buzzer will sound if any error is detected In the event of a drive unit failure the buzzer will continue to sound until the failed drive unit is replaced While the buzzer switch can be used to stop the buzzer the setting can only be disabled after the failed drive unit has been replaced Buzzer switch is located in the lower right of front fo mu l b Buzzer switch md ON ON Z BZR BZR 14 5 25 inch Mirror Drive SCSI Model User s Manual 5 Status Display 5 1 Indicator The status of the controller unit and drive units is displayed by the indicator on the front 5 1 1 Access Indicator Green Normal operation Orange An error has occurred in the controller uni
18. If the drive status indicator for the replaced drive unit does not turn green or turns orange once again repeat the procedure starting with step 2 36 5 25 inch Mirror Drive SCSI Model User s Manual 6 4 Other problems If the problem persists even after you replace the drive unit or the controller unit please contact your distributor 6 5 Data Rebuilding If a failed drive unit was correctly replaced data rebuilding the copying of all data on the correctly functioning drive unit to the replaced new drive unit will start automatically During data rebuilding the drive status indicator for the correctly functioning drive unit will light green The drive status indicator for the replaced drive unit will light orange If one of the drive units fails the Mirror Drive will continue to function maintaining data integrity H Do not turn off the host computer while the Mirror Drive is A Caution rebuilding data which may result in loss of data or failure When the correctly functioning drive unit fails during data reconstruction the Mirror Drive omits copy of bad the sector and continues to reconstruct the remaining data These skipped sectors will no longer be readable In order to avoid copying incorrect data the data pattern of an ECC error is written in the replaced drive unit This function is named Skip Reconstruction When data rebuilding is complete becomes normal mode The drive status indicator for the correctly functioning
19. In the case of appearing Warning or Caution labels in addition to this user s manual be sure to follow the directions on it 5 25 inch Mirror Drive SCSI Model User s Manual A Warning If you detect any abnormal conditions such as smoke or foul odors immediately shut off power for the host computer If any foreign materials metals water liquids etc enter the Mirror Drive immediately shut off power for the host computer Do not use the Mirror Drive in hot or damp locations Using this product in hot or damp locations may result in fire electrical shock or damage Do not disassemble or modify this product ADTX cannot guarantee the performance or safety of any product that has been repaired by the customer or by an unauthorized third party Repairing by yourself may result in fire electrical shock or damage Before connecting or disconnecting the interface connector shut off power for the host computer and any connected devices To avoid placing excessive stress on the printed circuit board of the Mirror Drive push or pull the connector only along the axis perpendicular to the board Avoid bending the connectors Avoid using undue force to connect or disconnect connectors or cables which may result in fire electrical shock or damage Storage Vision Co Ltd A Caution Do not use the Mirror Drive in locations subject to vibration or shock exceeding the specified values Use of the Mirror Drive in such locations may result
20. atus indicator have stopped flashing before shutting off power Turning off power while the access indicator or the drive status indicator remains lit may result in loss of data residing in cache memory If the host computer is running either Windows 95 Windows 98 Windows NT Windows Me or Windows 2000 both of H which switch off the power supply in synchrony with the A Caution shutdown procedure be sure to set the write cache mode to OFF Setting write cache mode to ON while running either operating system may lead to data loss 11 Storage Vision Co Ltd 4 2 Configuration DIP Switch 2 Setting DIP switch 2 can be used to select single ended mode auto spin mode Setting DIP switch 2 is located in the left side 4 bit DIP switch i l OAN 1 330 N 2a o voll bs UN em SW1 Single ended mode E SW3 Auto spin mode Before setting DIP switch 2 make sure the power supply for x the host computer has been switched off A Caution The above the diagram is set to the factory shipping defaults 12 5 25 inch Mirror Drive SCSI Model User s Manual 4 2 1 Single Ended Mode If this is enabled set to ON the down position the SCSI interface of the host computer will be set to single ended mode regardless of settings at the host computer If this setting is disabled set to OFF the mode set will be LVD or single ended depending on the status of a host computer or other SCS
21. cedure data corruption may occur o Impo rtant To avoid further data loss back up all important data stored on the Mirror Drive to a suitable storage medium such as tape drive or MO drive 1 Prepare the new drive unit specified in Appendix D Replacement Parts 2 Turn off the host computer 3 Turn the key of the bezel clockwise remove a lock and open the bezel 4 Remove the screw with the drive unit intended to replace in the left side The drive unit cannot remove when the screw for the drive A Caution iis 25 Storage Vision Co Ltd 5 Carefully pull out the failed drive unit from the Mirror Drive E g When drive unit 1 failed first 6 Turn on the host computer 7 Confirm that the host computer recognizes the Mirror Drive 8 After confirming that the host computer recognizes the Mirror Drive insert to slide the new drive unit firmly to the backplane with your both hands E g When drive unit 1 failed 9 In seconds data rebuilding will start while the drive status indicator for the replaced drive unit will light green The drive status indicator for the correctly functioning drive unit will not light The access indicator will flash orange o Im po rtant bo not remove the drive unit while data is rebuilding 10 When data rebuilding is complete the drive status indicator will go out Turn off the host computer 26 5 25 inch Mirror D
22. csv 5 25 inch Mirror Drive SCSI MODEL AXRA N Series User s Manual P N A203030 Revision 1 e DU Uu drm gu pda 5 25 inch Mirror Drive SCSI Model User s Manual Introduction Thank you for selecting the 5 25 inch Mirror Drive SCSI Model AXRA N Series This manual describes how to install operate and maintain your Mirror Drive and will help familiarize you with the Mirror Drive and its features Please be sure to read the user s manual before using your Mirror Drive This manual provides information on and describes appropriate handling procedures and configurations for all product functions This information will allow the user to take full advantage of the 5 25 inch Mirror Drive SCSI Model AXRA N Series In the unlikely event you experience problems the manual provides helpful information and instructions RETAINING PACKAGING MATERIALS The original packaging materials protect the Mirror Drive from damage during transportation After unpacking the Mirror Drive please retain the packaging materials in case you need to ship the Mirror Drive for repairs This product is sealed in an antistatic and moisture proof bag before shipping Open the bag only when about to begin setup RECORDING THE PRODUCT NAME VERSION AND SERIAL NUMBERS Before installing the Mirror Drive on the host computer please jot down the model name version and serial numbers Section 2 1 Part Names shows the label location of model name ver
23. e unit number display location 34 5 25 inch Mirror Drive SCSI Model User s Manual E g When drive unit 1 is normal 9 Close a bezel and lock a key 10 Mount the Mirror Drive in the host computer Firmly connect the SCSI cable and 4 pin internal power cable 11 Turn on the host computer Confirm that the host computer recognizes the Mirror Drive If the drive unit inserted in the controller unit for exchange is normal it will start only in the drive unit The drive status indicator of a drive unitwhich is not inserted will light orange 12 Turn the key of the bezel clockwise remove a lock and open the bezel 13 Insert to slide the new drive unit firmly to the backplane with your both hands E g When replacing drive unit 2 35 Storage Vision Co Ltd 14 In seconds data rebuilding will start while the drive status indicator for the replaced drive unit will light green The drive status indicator for the correctly functioning drive unit will not light The access indicator will flash orange Q Im po rtant Do not remove the drive unit while data is rebuilding 15 When data rebuilding is complete the drive status indicator will go out 16 Tighten the screw with the designated torque 0 29 Nm Recommended Do not tighten the screw in case of improper connection A Caution Misalignment may lead to malfunction 17 Close a bezel and loch a Rey 18
24. ep beep beep 16 5 25 inch Mirror Drive SCSI Model User s Manual 5 2 External Output Signal The output signal can be transmitted to monitor the detected status externally The Mirror Drive has two types of signals a status output signal and an external LED output signal The connectors for these signals are shown in the figure below SINS y E Status bit connector A External LED connector 5 2 1 Status Output Signal Status output is transmitted as a 3 bit signal For detail layouts and electrical specifications for the status bit connector pins refer to Appendix A 2 1 Status Output Signal 5 2 2 External LED Output Signal The drive status indicators of the Mirror Drive green and orange signals for each drive unit can be monitored externally in the same manner These connections and settings will permit transmission of these signals to remote LEDs For detail layouts and electrical specifications for the external LED connector pins refer to Appendix A 2 2 External LED Output Signal 17 Storage Vision Co Ltd 6 Removal and Replacement If the Mirror Drive fails the access indicator will light or flash orange while the drive status indicator will light orange If buzzer switch is enabled the buzzer will continue to sound an alert Determination of removal and replacement must account for these status failure indications 6 1 Troubleshooting Access indicatot Drive status indicator Mirror D
25. ntroller unit failed you cannot see if the drive units are functioning correctly Check first the condition of the drive units and follows the procedure below When the one drive unit failed exchange a drive unit Q Important promptiy Unit Replacement Procedure 1 Prepare the new controller unit in Appendix D Replacement Parts 2 Turn off the host computer 3 Disconnect the SCSI cable and 4 pin internal power cable and remove the Mirror Drive from the host computer When replacing controller units place the antistatic bag in A Caution which this product was originally packed on a flat level surface Work on the Mirror Drive in this area 4 Turn the key of the bezel clockwise remove a lock and open the bezel 5 Remove the screw with the drive unit intended to replace in the left side H The drive unit cannot remove when the screw for the drive A Caution i5 33 Storage Vision Co Ltd 6 Carefully pull out the failed drive unit from the Mirror Drive 7 Setting the DIP switch 1 and DIP switch 2 of the controller unit for exchange to the same setting as the DIP switch of the failed controller unit DIP switch 2 DIP switch 1 location of DIP switch 1 and DIP switch 2 8 Insert the correctly functioning drive unit into the same numbered bay Insert to slide the drive unit firmly to the backplane with your both hands Drive unit number Driv
26. o out 11 If the drive status indicator for the replaced drive unit does not turn green or turns orange once again repeat the procedure starting with step 2 If you mistakenly replace the correctly functioning drive unit the drive status indicator for both drive units will not light Then the access indicator will flash orange The host computer will be unable to operate the Mirror Drive eo Important In this case turn off the host computer Replace the failed drive unit with the new drive unit and replace the correctly functioning drive unit Turning on the host computer will begin data rebuilding 21 Storage Vision Co Ltd Replacement Procedure with power off 1 Prepare the new drive unit specified in Appendix D Replacement Parts 2 Confirm the identify of the failed drive unit by the drive status indicator or buzzer 3 Turn off the host computer 4 Turn the key of the bezel clockwise remove a lock and open the bezel 5 Remove the screw with the drive unit intended to replace in the left side The drive unit cannot remove when the screw for the drive A Caution unit is fixed 6 Carefully pull out the failed drive unit from the Mirror Drive E g When drive unit 1 failed 22 5 25 inch Mirror Drive SCSI Model User s Manual 7 Insert to slide the new drive unit firmly to the backplane with your both hands E g When drive unit 1 failed 8
27. rive SCSI Model User s Manual 11 Carefully pull out the failed other drive unit from the Mirror Drive E g When drive unit 2 was the next to fail 12 Insert to slide the new drive unit firmly to the backplane with your both hands E g When drive unit 2 was the next to fail 13 Tighten the screw with the designated torque 0 29 Nm Recommended H Do not tighten the screw in case of improper connection A Caution Misalignment may lead to malfunction 27 Storage Vision Co Ltd 14 Close a bezel and lock a key 15 Turn on the host computer 16 In seconds data rebuilding will start while the drive status indicator for the replaced drive unit will light green The drive status indicator for the correctly functioning drive unit will not light The access indicator will flash orange Q Im po rant po not remove the drive unit while data is rebuilding 17 When data rebuilding is complete the drive status indicator will go out 18 If the drive status indicator for the replaced drive unit does not turn green or turns orange once again repeat the procedure starting with step 2 28 5 25 inch Mirror Drive SCSI Model User s Manual 6 3 Replacing the controller unit If the access indicator remains light orange or the drive status indicator light orange despite replacement of the drive unit the controller unit may be defective Replace the controller unit immediately
28. rive status and measures Drive unit 1 Drive unit 2 des Normal operations Orange OFF Rebuilding data from drive unit 1 to drive unit 2 flashing Normal operation Orange Green Rebuilding data from drive unit 2 to drive unit 1 flashing Normal operation Orange To confirm the connect status of drive unit 1 remove and reinsert drive unit 1 while power is on If recovery does not occur replace drive unit 1 To confirm the connect status of drive unit 2 remove and reinsert drive unit 2 while the power is on If recovery does not occur replace drive unit 2 Controller unit failure Replace the controller unit with a new controller unit Check the condition from of the power supply status If not recovered replace the controller unit with a new controller unit Orange OFF OFF Check the condition of both drive units If not recovered flashing replace the controller unit with a new controller unit Other lit or flashing indicator Contact your distributor Normally off or light or flashing when accessed If replacing the drive unit does not fix the problem replace the controller unit with a new controller unit 18 5 25 inch Mirror Drive SCSI Model User s Manual 6 2 Replacing Drive Units If one of the drive units fails the Mirror Drive will continue to function maintaining data integrity without requiring you to reboot your host computer When the failed
29. sion and serial number e THIS DOCUMENT MAY NOT BE REPRODUCED OR COPIED IN WHOLE OR IN PART e THE CONTENTS OF THIS DOCUMENT ARE SUBJECT TO CHANGE WITHOUT NOTICE e WEHAVE MADE EVERY EFFORT TO ENSURE THE ACCURACY AND COMPLETENESS OF THIS DOCUMENT IF YOU FIND INACCURACIES OR OMISSIONS PLEASE CONTACT YOUR DISTRIBUTOR Copyright c Storage Vi sion Ltd Al rights reserved Storage Vision Co Ltd To ensure safe use of this product This user s manual uses the following symbols to highlight important points related to safe use of this product Please observe all safety information indicated in this way SAFETY SYMBOLS To protect against personal injury and product damage the following symbols are used throughout this manual to highlight safety information Indicates a potentially hazardous situation that may result in A Warning death or serious injury to the user or severe damage to the product N C ti n Indicates a potentially hazardous situation that may result in au IO serious injury to the user or damage to the product Indicates important information failure to observe vvhich may o Important result in improper product function WARNING CAUTION LABELS Labels with black lettering against a yellow background affixed either to the exterior or interior of the product are Warning or Caution labels that provide important safety information Observe all directions given on these labels
30. t Orange 1 Both drive units have failed or the drive unit may not be properly flashing inserted if both status indicators are out 2 The user has mistakenly replaced the correctly operating drive unit not the one that has failed if both status indicators are out 3 Data rebuilding is in operation with copy to the target drive unit indicated by the green light Any of the above 5 1 2 Drive Status Indicator Data rebuilding copied to drive unit 1 is operation 1 1 Drive unit 1 has failed 2 Drive unit 1 has reset 2 Data rebuilding copied to drive unit 2 is operation 1 1 Drive unit 2 has failed 2 Drive unit 2 has reset 2 Note 1 Drive Status Indicator will go out after data rebuilding 2 In the event of reset the buzzer will not beep If the drive status indicator light orange immediately replace Qo Im po rtant the specified drive unit Leaving the Mirror Drive with a failed drive unit will result in data loss if the other drive unit fails 15 Storage Vision Co Ltd 5 1 3 Buzzer If this is set to ON in the event of a failure the buzzer will beep at the interval specified below When drive unit 1 has failed Buzzer DOOD ac EE il beep When drive unit 2 has failed Buzzer beep beep seeeeeeeeeneee beep beep When both drive units have failed Buzzer beep beep beep be
31. t Mounting screw holes 8 6 32UNC x8 Same on opposite side o L l S Wr 3 EN Ox AJ c9 P Q9 9 o 15 6 o 64 2 F N I TER o o 9 T ns Q Mounting screw holes I 8 6 32UNC x8 Q dl d 302 A 642 45 A NUN 79 2 Y 5 25 inch Mirror Drive SCSI Model User s Manual 3 Mounting in the Host Computer 3 1 DIP Switch Settings Before mounting it in your host computer check to confirm the DIP switch settings for the Mirror Drive Refer to 4 Settings for the correct configurations of the DIP switches For default settings refer to Appendix C Factory Default Settings C z Before setting DIP switches or connecting cables make sure aution the power supply of the host computer has been turned off 3 2 Mounting in the Host Computer When mounting in the host computer use the attached mounting screws and the specified mounting holes The mounting screw hole locations are shown in 2 3 Screw Hole Dimensions for Attachment An example of a mounting screw hole location is shown below Mounting screw DV Mounting screw Mounting screw RSQ nF Mounting screw When installing into the host computer provide sufficient cooling in order to ensure that the surface temperature of the A Caution 99untremans below 0 LC Do not block the ventilation openings Without proper ventilation the Mirror Drive will malfunction or fail Storage Vision Co Ltd
32. t is ON enabled o Important Always observe the shutdown procedure specified for the host computer operating system In emergencies wait at least 10 seconds to be sure both the access indicator and the drive status indicator have stopped flashing before shutting off power Turning off power while the access indicator or the drive status indicator is on may result in loss of data still residing in cache memory 5 25 inch Mirror Drive SCSI Model User s Manual 2 External Dimensions 2 1 Part Names Front View With Bezel Closed Key Ventilation opening Front View With Bezel Open The screw for the drive unit Access indicator Dive unit 1 lf Thee Drive unit 1 status indicator 1 Drive unit 2 status indicator Drive unit 2 O2 Buzzer switch Storage Vision Co Ltd Back View SCSI connector eS RX ys S N O fe N N SD KF KY N J 7 A N A M i wv 7 DIP switch 1 Power connector Status bit connector For details refer to A 2 1 Status Output Signal z External LED connector For details refer to A 2 2 External LED Output Signal TERMPWR DIP switch 2 5 25 inch Mirror Drive SCSI Model User s Manual 2 2 External Dimensions i c 89 IT 204 2 219 6 Bi I CA MADE IN JAPAN SI BXOOO1 MODEL AXRA N4028 Model name EG YE Version E S N BX00001 Serial number Storage Vision Co Ltd 2 3 Screw Hole Dimensions for Attachmen
33. tures or place unexpected mechanical stress on the Mirror Drive A Drive unit in horizontal position LE gt Vy 7 LL A 277 7 ls PC 7 bb 7 ZZ 77777 y 77 GALE 7 APTA LL gt Jj L vii Storage Vision Co Ltd Contents INOCUIDAD Oe eee i To ensure safe use of this product cc ji A IA IA A EEE EEE i En EMT iv lop IE v Handling Static Sensitive Devices a vi Mounting on Host Computer a vii eun RHET viii 1 Introducing the 5 25 inch Mirror Drive eee ae 1 DUE CD E E RR NNNM 1 1 2 Mirroring MEC 2 1 3 Cache Buffer Function E 2 2 External Dimensions a 3 2 1 Pat Names AMEN TREATS 3 2 2 External Dimensions aa 5 2 3 Screw Hole Dimensions for Attachment 0000 0 6 3 Mounting in the Host Computer rro 7 3 1 DIP Switch Settings LL 7 3 2 Mounting in the Host Computer on 7 RA 8 3 4 Turning on Main Power LL 8 DOCU DOS e e aa etat ra E UB e NI EE 9 4 1 Configuration DIP Switch LL 9 4 1 1 O a A RS AGE A DR AS RI RR 10 Arbo SOM toon ER A A Pat ak Paced A 10 4 1 3 Write Cache Mode Qu elles 11 4 2 Configuration DIP Switch 2 ooo ono non 12 4 2 1 Single Ended Mode s co s od o epi Sube been e iun b eu 13 4 2 2 Auto Spin Mode 0 0 0 0 e llle duia 13 4 3 TERMPWR OC A 13 RD El NoE 14 5 Status Display ccc cece e LL 15 BD e TTE A MD Rie RMS E cl Ble MERE 15 cp IEEE 15 5 1 2 Drive Status Indicator a a 15 viii 5 25 inch Mirror
34. ve in the antistatic bag Leaving this product unpacked and unused for a long periods may lead to malfunctions or disk failure Avoid applying excessive pressure to the covers of the drive unit which may lead to malfunctions or disk failure Do not block the ventilation openings Operating without proper cooling to the Mirror Drive may lead to the cause of a fire Do not move the Mirror Drive with holding the bezel Do not insert hands or tools into empty slots which may lead to electrical shock or malfunctions 5 25 inch Mirror Drive SCSI Model User s Manual GQ Important Back up all important data stored on the Mirror Drive to a suitable storage medium such as tape drive or MO drive This product s mirroring technology prevents data loss even if one drive unit fails If two drive units fail at the same time or if a non redundant part fails data loss may still occur Additionally accidental deletion of data or equipment damage may also result in data loss Do not block the ventilation openings of HDD Lack of the cooling airflow may lead to hard disk drive failure Wait at least 10 seconds after the access indicator has stopped flashing before initiating the shutdown procedure for your host computer The Mirror Drive uses cache memory to store data frequently accessed from the HDD Except in emergencies you must follow the operating system s shutdown procedures Failure to so may result in loss of data stored in cache memory
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