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Ciprico 6500 User's Manual

1. 1 4 array info amp rebuild 3 8 array information 3 15 array 3 14 array options 3 6 3 7 3 11 array power up 3 4 ASQ Additional Sense Code Qualifier 3 20 ATA es soot 1 3 1 4 1 6 ua ie 1 4 Index errormessage ERE 4 5 Built In Self Test BIST byte striping C 2 2 oui pure sues a CR 3 16 changing or selecting a menu option 3 5 codes drive status 2 4 controller board 1 6 removal replacement 4 15 D daisy chained 1 3 data Till yasqa 3 19 default settings 3 5 differential 1 3 1 4 1 5 2 3 disable drive 3 20 4 23 disk 3 19 performance 1 3 disk drive 4 9 ii display operation 1 3 1 6 1 8 2 4 2 5 controls and indicators 3 3 description 3 3 initial display 3 4 LCD display 3 3 3 2 removal replacement 4 16 drive determining failure 4 21 disabling 3 20 4 23 SON eds pa ts
2. 4 24 Types of 105 4 25 Off Line 4 25 Percentage Rebuild 4 25 During Rebuild 4 25 Completing the 4 25 Initiating a 4 26 Drive Error Code During 4 27 Formatting the Array 4 28 Formatting Error 4 29 Correct the Formatting 4 29 Updating Firmware 4 30 Replacing EEPROMS 4 30 Index m E uwa es 1 6500 Disk Array User s Guide 21020690 B Table of Contents 21020690 B 6500 Disk Array User s Guide Description In This Chapter 21020690 B Chapter1 Description In This Chapter This chapter describes the functions features options and primary components of Ciprico s 6500 Disk Array subsystems 0000000 000000000 000000000 000000000 000000000 gt 00000431 CO1 Figure 2 Ciprico 6500 Disk Array 6500 Disk Array User s Guide Chapter 1 Description 6500 Disk Array Functions Application 1 3 6500 Disk Array When high bandwidth software applications require disk perform
3. 3 18 REBUILD 3 18 dee sen cia 3 18 FORMAT un 3 19 SECTORSIZE 3 19 DAT AVENE Lees veka 3 19 START tases 3 19 DRIVES OPERE REPE 3 20 DRIVE STATUS vax ERE 3 20 oA so n 3 20 XIRA sut u u Lites atte ES 3 20 DISABLEDRIVE 3 20 DRIVEINFO 3 21 DRIVE n MODEL 3 21 DRIVEnREV 3 21 LOG PAGES G ma Samay sh M 3 22 ERROR COUNTERS 3 22 DRY n ERR COUNT RECOVERED 3 20 DRV n ERR COUNT MEDIUM 3 22 DRIVEERRORS 3 22 ENTRY k DRIVE n 3 22 ENTRY SENSE KEY 3 23 ENTRY k ASC 3 23 ENTRY k 3 23 ENTRY k LBA 12345678 3 23 DRIVEFAILURES 3 23 ENTRYj DRIVEn 3 23 ENABLE LOG 3 24 RESET LOG 3 24 5 08 3 24 SET THRESHOLDS RECOVERD 3 24
4. MEGoMETER The displays the transfer rate in megabytes per second Because DISPLAY transfer rates vary considerably moment to moment the rate shown is actually the average of transfer rates for a two second period This averaging yields a more accurate representation of the overall transfer performance 6500 Disk Array User s Guide 21020690 B REBUILD REBUILD DATA REBUILD START 21020690 B Chapter 3 Display Operation Panel REBUILD F use the left right arrow keys to select the following 2 functions see Menu Structure 3 of 5 Array Info amp Rebuild on page 3 8 Use the display operation panel rebuild options listed below as described in Chapter 4 of this guide From Caution If a disk in the array fails replace the drive and perform a rebuild as soon as possible rebuild can be performed without taking the array off line See Chapter 4 for drive replacement and rebuild instructions Your selection for the parameter determines whether or not the data from the failed drive will be reconstructed on the new replacement disk drive means the data will be rebuilt means the data will not be rebuilt Caution should always be selected for a data rebuild Rebuilding with this selection GF may result in data corruption and or inter drive parity errors This menu selection allows you to select the processing time the array will dedicate to the rebuildi
5. The display operation panel will now display the message The displayed percentages are defined in the following table 21020690 B When display panel shows it indicates 1 Rebuild initialization 3 Testing drive 4 Testing capacity 5 54 Not displayed 55 95 Rebuilding drive s data 96 Write system sector 100 Writing new system sectors to all drives and cleaning up following the rebuild process Table 7 Rebuild Message Definitions 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Initiating a Rebuild Drive Error Code During Rebuild Page 4 27 If a drive other than the drive being rebuilt encounters an error during the rebuild operation the error code shown below appears with the X position displaying the number of the affected drive 00000363 001 If a drive being rebuilt encounters an error during the rebuild operation the error code shown above appears without the X drive identifier displayed Note This type of error is most often some type of media error Code in this message is read as follows Code Meaning Hardware Error Sense Key Write Fault Additional Sense Code Drive Not Ready Additional Sense Code Qualifier Number of Failed Drive Field Replacement Unit number Table 8 Error Code Meanings The failed drive should be replaced immediately If the previous message is ignored th
6. gt If is set lt YES gt Y PR ERS t PRESS 4 KEYS 7 Rs PASSWORD t PASSWORD SET CLEARED Pressing Pressing returns to 3 returns to 4 Password No Correct SELECTS ARRAY OPTIONS gt 0388 C02 Figure 9 Menu Structure 1 of 5 Array Options 21020690 B 6500 Disk Array User s Guide 3 Display Operation Panel Operation Guidelines Page 3 7 ARRAY OPTIONS ALARM ARRAY OFTIOHS ARRAY OPTIONS f ARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS SET DEFAULTS AS RECOVER gt y 4 vi vt y TEMP WARHIHG TEMP CRITICAL M RUTO MEGoMETER ARRAY t SET DEFAULTS AS RECOVER Tt TEMP WARNING TEMP CRITICAL AUTO MEGoMETER H EJ 45 ESI lt OFF gt lt YES gt lt gt 4 selects C or F lt OFF gt lt OFF gt selects edit position gt selects digit ARRAY NAME n Display Key after position selected CLEAR NAME NOME Down Arrow Key enabled m m m CLEAR T Up Arrow Key enabled 2 H lt gt Left and Right Arrow Keys enabled Upand Down Arrow Keys enabled lt gt Indicates additional options lt YES gt t gt Press the SELECT key for new option or value selects position
7. lt gt ENTRY 5 Chapter 3 Display Operation Panel Operation Guidelines LOG PAGES 105 PAGES LOG PAGES tag LOG PAGES t DRIUE FAILURES ENABLE LOG gt RESET LOG THRESHOLDS lt gt gt lt gt EHRBLE LOG RESET LOG OH HO ENTRY J DRIVE n ASQ v zzH Zz hex err code ENTRY 5 g 8 digit hex Loops around to top OR k LIST EMPTY EHTRY k ASQI gt EHTRV k LBR 3 gt 4 Loops around to top OR EHTRY k 0396 C03 LIST EMPTY 21020690 B SET THRESHOLDS M SET THRESHOLDS MEDIUM gt RECOUERED lt P MEDIUM RECOVERED t ERRS wwwww ERRS pown alow Max value for vvvvv amp Starts cursor wwwww is 65535 arrow will decrement increment threshold SELECT locks in digit value Figure 13 Menu Structure 5 of 5 Log Pages 6500 Disk Array User s Guide Chapter 3 Display Operation Panel ARRAY OPTIONS Page 3 11 ARRAY use the left right arrow keys to select 5 see Menu Structure 1 of 5 OPTIONS Array Options on page 3 6 ind Menu Structure 2 of 5 Array Options on page 3 7 Array options include OPTION DEFAULT SETTING ON OFF LINE ON LINE 222 array SCSI ID 0 PASSWORD none UNIT ATTENTION ON WRITE PROTECT OFF ALARM ON SET DEFAULTS NO RPT AS RECOVER
8. 6500 Disk Array User s Guide 21020690 B 4 12 Hardware Field Replaceable Units FRUs Field Replacement Guidelines Location of FRUs in the Array 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Hardware Field Replaceable Units FRUs The remainder of this chapter describes Field Replaceable Units FRUs and replacement procedures for Ciprico s 6500 arrays Procedures in this section cover removal and replacement of the following assemblies see Field Replaceable Units FRUs on page 4 13 Enclosure top cover Controller board Display operation panel Power supply Cooling fans Power switch Disk drives Replacing EEPROMs for firmware updates Observe the following guidelines when removing and replacing 6500 array hardware as described on the following pages Caution Power down the array before connecting or disconnecting communication cables Warning Power down the array before you move it or before you remove the enclosure cover Also power down the array before you connect or disconnect its SCSI cables Warning Observe standard Electrostatic Discharge ESD precautions 1 whenever the top cover is removed from the enclosure and the controller board is exposed and 2 when handling disk drives We strongly recommend using a static discharge strap to prevent damage to the equipment Failure to use a static discharge strap may void you
9. Drive Not Ready Additional Sense Code Qualifier Number of Failed Drive Field Replacement Unit number Table 10 Error Code Meanings The failed drive should be replaced immediately If the previous message 15 ignored the failed drive not replaced and a Reset started a second message is displayed at he completion of the Reset This error message should be ignored Correct the To correct this condition it is necessary to replace the failed drive and re issue Formatting the Format command Error 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page eg M 2 Updatngrimware Updati ng This procedure describes how to swap new chips containing updated firmware Firmware with the chips currently installed on the controller board The array is equipped with a matched pair of 32 pin EEPROMs is labeled EVEN and the other ODD Replacing 1 Perform top cover removal procedure as described previously in this EEPROMs SORS Caution During the following procedure use standard precautions against static wear a static wrist strap or ground yourself by touching one hand to the cabinet 2 Using even pressure to avoid bending pins remove the EVEN firmware chip 00000444 CO1 Figure 26 Chip Orientation and Location on the Controller Board 3 Toorient the chip properly align the notched end of the chip with the notched end of the socket O
10. 3 4 Changing or Selecting a Menu Option 3 5 Saving 3 5 Default uy dee etd 3 5 ARRAY OPTIONS eid EL ees 3 11 ONOFFLINE iin ae 3 11 SCSFID esto den uota dq et d qus 3 11 PASSWORD obs 3 12 Clear Password cech get ota hace 3 13 UNIT ATTENTION 3 13 WRITE PROTECT u see 3 13 ALARM yu atas bdo tow een I 3 13 SET DEFAULTS eee ass an 3 14 21020690 B 6500 Disk Array User s Guide Table of Contents Page vii RPT AS RECOVER 3 14 TEMP WARNING 3 14 TEMP CRITICAL 3 14 AUTO MEGOMETER ON OFF 3 14 ARRAYNAME 3 14 3 15 FIRMWARE 3 15 FIRMWARE REV 3 15 TEST CHECKSUMS 3 15 DISP 3 15 TEMP SENSOR 3 15 CAPACITY u EO ERES 3 16 INITIATORINFO 3 16 DISPLAY 3 17 REBUILD nasa naqa 3 18 REBUILD DATA
11. Air Filter Front Cover 00000435 CO1 Figure 14 Array Enclosure Air Filter Removal Replacement 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshooting Guidelines 222 4 5 Failure These topics are discussed on the following pages Detection and Failure indicators Troup eer Built In Self Test BIST fail t t ing Guidelines uu Drive test failures Disk drive failures Over temperature failures Troubleshooting guidelines 6500 Disk Array User s Guide 21020690 B 21020690 Failure Indicators Chapter4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshoot ing Guidelines When a failure occurs on the array an audible alarm sounds if enabled and the display operation panel reports the nature of the failure condition Audible Alarm To turn off the audible alarm press any key on the display operation panel except RESET Write down any error codes that are displayed Pressing a key will cause the display to change to a different message Error Failure Messages The display operation panel shows error codes and failure messages that direct youto the source of failure If there are no failures the panel will read GN or assigned array name RESET SUBSYSTEM 0176 C03 Figure 15 Display Status As described on the following pages yo
12. Chapter 2 Installation Chapter 3 Display Operation Panel Chapter 4 Maintenance Troubleshooting amp Hardware Replacement The following notational conventions are used throughout this guide An uppercase letter H following a number indicates that the number is a hexadecimal value e g 20H and FFH In this guide a byte is defined as 8 bit quantity Note is used in the text to indicate emphasized or supplemental information Caution is used in the text to indicate a condition that could destroy data or damage equipment Warning is used in the text to indicate a condition that could cause injury to the operator or technician Page ii Preface Revision Histor y eae Revision Date Description 21020690 A 09 96 First release 21020690 B 11 96 Updated for production release Figure 1 Revision History Note The information in this document is subject to change without notice Warning To prevent the hazards of fire and electrical shock do not expose this product Fire and t any type of moisture Shock Hazards Warni ng Incaseofemergency unplug the power cord from the back of the unit to ensure Power that no power is applied to the unit 21020690 B 6500 Disk Array User s Guide Preface Page iii Electro United States magnetic his equipment has been tested and found to comply with the limits of a Class Compatibility A computing device in accordance with the specificatio
13. FRUs 4 12 Iirmwaree an serie 3 15 pdatt g oe Es 4 30 formado sea aS pa 3 19 error code 4 27 4 29 Starting r 3 19 format amp drives 3 9 FERUS list O7 2 2 ee 4 12 function selection 3 4 H hardware replacement 4 2 host bus 1 4 Host TUtertace pius 1 4 host system Lu LOL 2 3 1 4 initiator information 3 16 2 1 6500 Disk Array User s Guide Index PCD 1 8 log enable ay vor SE Xx 3 24 itr Raus 3 24 log 25224 54 3 10 3 22 maintenance 4 2 periodic 4 3 megometer 3 17 auto on off 3 14 menu 3 5 messages error failure 4 6 model numbers 1 navigation switches 1 8 3 3 notational conventions 1 O on off aa Rees 3 11 over temperature failures 2225242 29d Keene REA 4 10 handling ee 4 10 6500 Disk Array User s Guide
14. In addition to the temperature warning 15 there is another higher temperature at which the array s drives are automatically shut down 50 degrees Celsius This is the critical over temperature threshold The 1 menu option allows you to enable or disable this automatic shutdown Positions are When the unit attention and alarm are still issued but hee array does not shut down The megometer feature displays the array s current data transfer rate in megabytes per second Because transfer rates vary considerably from moment to moment the rate shown is actually the average transfer rate for a two second period This averaging yields a more accurate representation of overall transfer performance When the megometer is the transfer rate is the default display unless some other message ss it v When you switch the megometer display the transfer rate will not display until you switch it FH again Note When you select the auto megometer display it will not take effect until the next subsystem reset or power cycle has occurred Use this option to specify a logical name or designator for the array This feature is a convenience where multiple array units are used and need to be distinguished from one another with assigned names The array name is a user definable 14 character string and is displayed on line 1 in place of The displayed name will be replaced by error messages o
15. S CtOF SIZE alaq ERG qa 3 19 SELECT switch 1 8 3 3 3 5 set defaults 160024 Az 3 14 set thresholds 3 24 single ended 1 3 1 4 2 3 Striped usss dis 1 3 1 4 TEMP CRITICAL 3 14 4 10 TEMP SENSORS 1 6 3 15 4 10 TEMP WARNING 3 14 4 10 termination 2 3 thresholds 3 24 top cover removal replacement 4 14 transferrates 1 1 3 1 4 troubleshooting 4 2 guidelines 4 5 4 11 UNIT ATTENTION 2 5 3 13 voltage selection switch 2 4 Wide Ultra SCSI i 1 5 write protect 3 13 21020690 B Index X extra data for ASQ 6500 Disk Array User s Guide 21020690
16. lt selects letter Indicates no access between displays 0389 cna Figure 10 Menu Structure 2 of 5 Array Options 6500 Disk Array User s Guide 21020690 B Chapter 3 Display Operation Panel Page 3 8 Operation Guidelines ON LINE h LINE STRTUS DK RRRF RRER R FUNCTION SELECTJM FUNCTION SELECT ARRAY INFO REBUILD B gt gt REBUILD CST REBUILD STRRT REBUILD REBUILD DATA START REBUILD REBUILD X REBUILD DATA 1 VES aye 5 ARRAY INFO ARRAY INFO ARRAY INFO fa ARRAY INFO ARRAY INFO FIRMWARE TEMP SENSOR CAPACITY INITIATOR INFOS MEGoMETER Ay y v y TEMP SENSOR CAPACITY INITIATOR 7 8218431 D P 19H W lt cond N W gt 0007D673F gt I lt 0 15 gt Normal Warning Changes with wraps around or Critical Array Capacity FIRMWARE FIRMWARE FIRMWARE FIRMWARE REU TEST 5 DISP CHECKSUMS FIRMWARE AI PRIM BIST PRSS PASS lt FAlIL gt FAIL FIRMWARE REY 4 RR r e 55 PRIM CKSUM BIST CKSUM EXPECTED EXPECTED BIST CKSUM FIRMWARE REY 4 AE CALC RIMFIRE 0390 C03 Figure 11 Menu Structure 3 of 5 Array Info amp Rebuild 21020690 B 6500 Disk Array User s Guide 3 Display Operation Panel Operation Guidelines Page 3 9 LIHE DH LIHE STATUS OK R
17. this category gt E and give access to pages of SCSI jog ar entries Three additional items SET iS are commands that lo you to manipulate or these internal log pages These commands affect all log pages and cannot be applied deferentially to individual log pages For each drive this menu gives access to a tally of recovered errors and a tally of medium errors Medium errors are non recoverable errors related to flaws in the drive s memory medium material Th relates to SCSI log page number 3 DRV n ERR COUNT RECOVERED Displays a 5 digit tally of recovered errors for each drive with a maximum tally of 65 535 errors n is the drive number n 1 9 DRV n ERR COUNT MEDIUM Displays a 5 digit tally of medium errors for each drive with a maximum tally of 65 535 errors is the drive number n 1 9 This item gives access to the error entry for each recorded drive error occurrence 40 error entries can be stored For each error occurrence an error entry number is assigned The error entry identifies the drive on which the error occurred gives SCSI codes that describe the error and tells the location on the drive logical block address at which the error occurred if applicable The sense key code gives the primary description of the error ASC and ASQ codes give additional information about the error entry but for some error entries these two codes will not be a
18. 3 22 failure handling 4 9 failures 3 23 4 9 4 21 format Y 4 28 3 21 Darty oe ee i eb 3 20 rebuild completion 4 25 rebuild initiating 4 26 rebuild messages 4 26 rebuilding 4 21 rebuilds types 4 25 removal replacement 4 24 replacement 4 21 reporting failure 4 21 setup requirements 4 24 ius ted 3 20 test Ea tes ose epe eoe 7 4 9 drivestatus 2 4 drive status codes 2 5 UVES ae M e CM A 3 20 ATA 1 3 EEPROM 4 30 enablelog 3 24 GncloSute z e e vae pa 1 6 top cover removal replacement 4 14 error counters 3 22 error failure messages 4 6 21020690 B Index F failure detection 4 5 failure indicators 4 6 soo awuha Di See us abu duya est 4 3 checking operation 4 3 powersupply 4 3 removal replacement 4 19 features use tree A 1 4 field replacement guidelines 4 12 field replaceable units
19. Field Replacement Guidelines 4 12 Location of FRUs in the Array 4 12 Enclosure Top Cover Removal E DIS 4 14 4 14 Controller Board 4 15 24222 8220 a a 4 15 Display Operation Panel 4 16 Replacement bo repe aaa a ad u bho 4 16 Power Supply Removal 4 17 Replacement sreo dean 4 18 Cooling Fan 4 19 Replacement ua Sr pad 4 19 Power Switch Removal oie inei up a aeg 4 20 Replacement wd cer vibe Emend 4 20 Drive Failure Replacement and Rebuilding 4 21 Determining Drive 4 21 Reporting Drive 4 21 21020690 B 6500 Disk Array User s Guide Table of Contents EE Page ix Drive Failure 4 22 To Turn Off Alarm Press SELECT 4 22 Disabling a Failed Disk 4 23 Disk Drive 4 24 Disk Drive Replacement 4 24 Drive Setup
20. OFF TEMP WARNING 45 degrees C TEMP CRITICAL ON AUTO MEGOMETER OFF ARRAY NAME blank Table 2 Array Options ON OFF LINE When ON LINE the array is ready to receive commands from the system it is connected to Take the array OFF LINE if you want to prevent user access while performing a rebuild or other maintenance SCSI ID Each device on the SCSI bus must have a unique ID This option allows you to set the array s SCSI ID from 0 to 15 This is typically set to 0 unless multiple arrays are daisy chained together or the ID of the host SCSI port is zero 6500 Disk Array User s Guide 21020690 B Page 3 12 21020690 PASSWORD LINE STATUS DK gt d FUNCTION SELECTS ARRAY OPTIONS ARRAY OPTIONS PASSWORD PASSWORD t EHTER PASSWORDS PRESS 4 KEYS E WA PRESS 4 KEYS PASSWORD 0258 02 3 Display Operation Panel 5 The password option allows you to set or clear the 5 password protection feature When set the password is a user entered series of four display operation panel keystrokes any key can be used except the RESET key Enter a New Password Enter a new password as follows the down arrow then press the right left arrow until i appears Press the down arrow Press the right or left arrow until F Press the down arrow to view the is displayed press the right key once to show Pres
21. Press SELECT to stop the looping 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 8 Failure Detection and Troubleshoot ing Guidelines To choose the Continue response to a BIST error press the left arrow key 0402 001 To choose the Loop response to a BIST error press the right arrow key 00000143 001 When your option eithe or HT is displayed press SELECT to implement that option adeis that the array will repeat that particular test if SELECT is pressed skips the failed test and continues with the other BIST tests when you press SELECT Handling If you see this Check or replace this Check SCSI bus termination single ended arrays only Terminator may not be present may be broken or the wrong kind Disconnect the array SCSI cable from Host and reset the array If BIST now passes the problem lies in the host system SCSI interface Check the host SCSI adapter no Check that the TPR jumper is installed on the array controller board Meaning External SCSI bus error Replace the array controller board Note If a differential controller board is unterminated the BIST will complete without reporting the unterminated condition During subsequent operation various errors apparently related to the termination will occur In the event of unspecified error conditions first verify that the differential terminati
22. RECOVERED wwwww 6 3 24 SET THRESHOLDS 3 24 RECOVERED 3 24 6500 Disk Array User s Guide 21020690 B Table of Contents Page viii 4 Maintenance Troubleshooting amp Hardware Replacement 4 1 In This Chapter a una ERR Ee m 4 2 Periodic Maintenance 4 3 Checking Enclosure Cooling Fan Operation 4 3 Checking Power Supply Cooling Fan Operation 4 3 Cleaning the Enclosure Air Filter 4 4 Failure Detection and Troubleshoot ing Guidelines 4 5 Failure 4 6 Audible 4 6 Error Failure 4 6 Built In Self Test BIST 4 7 Indicators aus 4 7 Handling inner reto tosta teda 4 8 Drive Test 4 9 Disk Drive 4 9 Indicators 2 2 3s d 4 9 Handling aie eoe obs 4 9 Over temperature 4 10 Indicators Ete be as 4 10 Handling en wd kapas bee 4 10 Troubleshoot ing 4 1 Hardware Field Replaceable Units FRUs 4 12
23. apply to a drive failure condition These codes are not easily interpreted Contact your service provider for an explanation if these codes are non zero Use this option to shut down any drive in the array for maintenance or replacement When you press the SELECT key the array will spin down the drive This function is not available if another drive is currently disabled or failed Note See Chapter 4 for drive replacement and rebuild instructions 6500 Disk Array User s Guide 3 Display Operation Panel DRIVES DRIVE INFO Page 3 21 The menu provides access to two submenus which describe the model number of each drive used in the array and the firmware revision of each drive Press the down arrow key to advance to the first Information menu DRIVE n MODEL This option displays the model number of the drive Use the right and left arrow keys to move to the next drive in the array DRIVE n REV This option displays the drive s firmware revision Use the right and left arrow keys to move to the next drive in the array 6500 Disk Array User s Guide 21020690 B p LOG PAGES ERROR COUNTERS DRIVE ERRORS 21020690 B Chapter 3 Display Operation Panel LOGPAGES From T use the left right arrow keys to select see Menu Structure 5 of 5 Log Pages on page 3 10 These selections provide access to drive error information contained i in SCSI pages Three menus
24. ili password 3 12 VES 3 13 selection 44 222 Kae ii 3 12 power ON OFF switch 1 9 power supply 1 6 2 4 Tafuta aq ner ee dee 4 3 removal replacement 4 17 power switch 2 4 removal replacement 4 20 power voltage selection switch 1 9 R 2 2 RAIDS 1 4 rear panel switches and connectors 1 9 reb ild 3 18 4 25 description 4 25 OFIN 45 5 n s TS 4 25 percents 3 18 4 25 3 18 1 4 reset log 45 ee a Da 3 24 RESETswitch 1 8 3 3 RPT AS RECOVER 3 14 4 21 S saving 3 5 SCSI ATA 1 3 bus termination 2 3 Cables pny 2 3 compatibility 1 4 ConnectorS 1 9 D vide 3 11 termination 2 3 Wide Ultra 1 1 5 SCSLID 4 2 5 21020690 P HEROUM Mob x 1 4 1 5 t s dietus ds rel 1 5 1 9 cConnecfors 1 5 2 3
25. is not enabled and unit attention reporting is enabled Following is the conditional logic of reporting for drive failures In the event of a drive failure if the alarm is enabled then the alarm will sound if recovered error reporting is enabled then a recovered error will be reported if recovered error reporting is not enabled but Unit Attention reporting is enabled then Unit Attention condition will be reported if neither recovered error reporting nor Unit Attention reporting are enabled then no error will be reported During a Unit Attention condition the next command received from each initiator is ignored and the array reports a Check Condition status When the host requests sense data it will receive an Additional Sense Code indicating the general type of failure and an Additional Sense Code Qualifier offering further detail For more information about Additional Sense Code and Qualifier contact your trained service technician Note If a second data drive has a fatal error as described above the subsystem will power down the failed drive and start reporting 6500 Disk Array User s Guide 21020690 B Page4 22 ____ Drive Failure Indications To Turn Off Alarm Press SELECT Key 21020690 B Chapter4 Maintenance Troubleshooting amp Hardware Replacement Drive Failure Replacement and Rebuilding When a drive failure occurs the following events will follow The display operation panel will immediately ch
26. power source Caution Do not use female power connector 6500 Disk Array User s Guide 1 Description Primary Components 1 7 Top Cover Controller Firmware EEPROMs on Controller Board Disk Drive pd 1 of 9 Power Switch Bcc Air Filter Display Operation Panel 00000433 CO1 Figure 3 Primary Components 6500 Disk Array User s Guide 21020690 B 21020690 Chapter 1 Description Primary Components As shown below the 6500 display operation panel includes a liquid crystal display LCD and six membrane control switches SUBSYSTEM Figure 4 Display Operation Panel Liquid Crystal Display LCD The 6500 display operation panel s LCD indicates real time array status and error conditions and is used to enter a wide range of setup parameters and operating commands The LCD displays 2 line by 16 character messages and indicates the current position in a tree structured menu of functions See Chapter 3 Display Operation Panel 0176 C03 RESET Switch This switch initiates a reset which returns the array to an initial power up condition In this power up state the firmware and SCSI chip are initialized Caution The RESET switch initiates a subsystem restart any activity in progress will be halted without saving information SELECT Switch The SELECT switch is used to initialize new function selections that appear on the LCD display N
27. setting is If you cycle power the item will come up in the condition it was in when you turned off the array This command sets all log counters back to zero and sets functions to their default conditions When you invoke this command all entries for drive errors and drive failures will be erased The default setting is To implement this command use the left arrow key to select YES then press SELECT After a reset this parameter reverts to Hi This item allows you to view and set thresholds for the number of errors at which the array will automatically shut down a drive There are separate thresholds for recovered errors and medium errors but each of these thresholds applies to all nine drives Factory defaults for both recovered and medium errors are zero which indicates that the shutdown on threshold feature is disabled SET THRESHOLDS RECOVERD Gives access to view and set the threshold for triggering of automatic shutdowns because of recovered errors RECOVERED wwwww ERRS To set the threshold for recovered errors press the down arrow This causes the cursor to flash over the least significant digit of the 5 digit threshold maximum value 65 535 To increment the threshold setting press the right arrow key to decrement it press the left arrow key Press the down arrow again to move to the next digit When the desired threshold is set press SELECT SET THRESHOLDS MEDIUM Gives access to view and set the thr
28. the same value for each parameter that was in effect before the RESET or power up There are two exceptions ON OFF LINE will always revert to ON LINE REBUILD will always revert to 99 Menu Option The remainder of this chapter lists and describes the menu selections and Descriptions options available on the 6500 array display operation panel The complete tree structure of the display operation panel menu system is shown in the diagrams on the following pages The descriptions following the diagrams are grouped under the primary first level selections in the menu system ARRAY OPTIONS ARRAY INFORMATION REBUILD FORMAT DRIVES LOG PAGES 6500 Disk Array User s Guide 21020690 B 3 Display Operation Panel 3 6 Operation Guidelines DH LIHE DH LIHE STATUS DK or RRRF RRRR R Y FUNCTION SELECT tARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS ARRAY OPTIONS ON OFF LINE SCSI ID PASSWORD UNIT ATTENTION WRITE PROTECT E aie e lt P 4 lt gt ON OFF LINE UNIT ATTENTION t WRITE PROTECT N LINE gt H lt OFF LINE lt 1 15 gt lt OFF gt lt ON gt een Wraps Around 4 PASSWORD PASSWORD EHTER PASSWORD W CLEHR PASSWORD gt PRESS 4 CLEAR PASSWORD t gt
29. Board 1 4 Disk Drives a leger pi a 1 4 1 4 Parallel Disk Array 1 4 Parity cns 1 4 16 Bit Wide Synchronous 1 5 Single Ended or Differential Signals 1 5 Enclosures spa awh seen ae oe eas 1 5 Primary Components sx x Lee LA n sus 1 6 Enclosure oet tecta p C atro p dors 1 6 ATE EIE a ua Qi oor nude dese andar Sere tao das 1 6 Controller dadas Us 1 6 Display Operation Panel 1 6 Disk Drives 2 2 sea 1 6 Fans and Temperature Sensor 1 6 PowWer Supply a rar a 1 6 Display Operation Panel 1 8 Liquid Crystal Display LCD 1 8 RESET Switch tu ees tss 1 8 SELECT Switch 444 822 RE 1 8 Navigation Switches Up Down Left Right 1 8 Rear Panel Switches and 1 9 SCSI Connectors uu eu us e S E sl 1 9 Activity LED 4i reed RERO 1 9 Power ON OFF 1 9 Power Cord 1 9 6500 Disk Array User s Guide 21020690 B Table of Contents Power Voltage
30. Ciprico Disk Array 6500 Disk Array User s Guide NL Ciprico Inc Publication 21020690 B 91996 by Inc Allrightsreserved No part of this publication may bereproduced ortransmitted in any form or by any means electronic or mechanical including photocopying and recording or by any information storage or retrieval system without the permission of Ciprico Inc Printed in the United States of America Rimfire is a trademark of Ciprico Inc Programmer Reference Preface In This Guide Notational Conventions This guide contains all the information needed to successfully install operate and maintain 8 6500 Disk Array subsystems in standard configurations If you need more technical information for non standard applications refer to the Ciprico 6500 Controller Board Technical Reference available from Ciprico The standard 6500 array contains eight data drives and one parity drive The array is equipped with a Wide Ultra SCSI interface providing transfer rates up to 40MB per second Ciprico 6500 arrays readily fit into any standard SCSI platform environment including DEC HP IBM Silicon Graphics SGI Sun and PC Note Different model numbers identify 6500 subsystems as single ended Model 6511 or differential Model 6512 In this guide references to 6500 disk arrays apply to both models unless specifically stated otherwise Chapter 1 Description
31. ECTS W FUNCTION SELECTS e REBUILD gt Ga FORMAT DRIVES 8 LOG PAGES 00000383 C01 Figure 8 Function Selection Options 21020690 B 6500 Disk Array User s Guide 3 Display Operation Panel Operation Guidelines Page 3 5 Changing Display operation panel options or parameters currently in use by the array are Selecting a identified by an asterisk on the display Change or select a menu option as Menu Option 1 Use the directional arrows on the keypad to navigate to the menu option that you want to select or change 2 Press and release the left or right arrow until the selection you want appears on the display 3 Press SELECT to lock this new selection An asterisk will appear in front of the new selection 4 Press the appropriate directional arrows on the keypad to navigate to the next display that you want to change or select Saving When a new function or value is chosen and you press the SELECT key the Changes change becomes effective immediately The only time this does not happen is when a command is executing In this case the array waits for the command to complete before initializing the new selection Default Most of the default settings discussed on the following pages are factory Setting s settings If you change a setting be sure to note that your new setting becomes the new default setting Whenever the array is RESET or powered down it will retain
32. RRF RRRR F B FUNCTION SELECT W FUNCTION SELECT FORMAT DRIUES lt gt gt DRIVES W DRIVES t DRIVES DRIVE STATUS t DISABLE DRIVE M DRIVE INFO gt lt 2 9 gt Wraps lt 2 9 gt Wraps lt 2 9 gt Around Around To scroll through string Wraps Around 5 55 then press R L arrows DRIUE 1 STRTUS DRIUE 1 REU t ASQ BBH Al2Z34566 lt 2 9 gt lt 2 9 gt Wraps Around Wraps Around DRIVE 1 STATUS t TRR BBBBBBBBH gt lt 2 9 gt Wraps Around Pressing returns to 2 FORMAT 5 FORMAT E FORMAT t START SECTOR SIZE DATA FILL gt v Ay v START FORMAT T gt M MIIDRIVE 1 STATUS DISABLE DRIVE IIDRIVE 1 MODEL 4 READY l DRIVE 1 strrg2 gt t SECTOR SIZE 312 YES sia ec OFF 0391 C03 DRTR FILL H gt Figure 12 Menu Structure 4 of 5 Format Drives 6500 Disk Array User s Guide 21020690 B 3 10 FUNCTION SELECT LOG PAGES LOG PAGES ERR R COUNTERS v n ERR COUNTS RECOUERD gt DRY n ERR COUNTS MEDIUME x DRIUE n xxxxx Count for k 1 40 Value 4 wraps around EHTRY k SENSE KEV yy hex err 4 code ENTRY k ASC t Los PAGES DRIVE ERRORS
33. Selection 1 9 2 Installation 2 1 In This Chapter aa es ee ER en pO RR SS 2 2 Installation 2 3 Step 1 Move Array to Operation 5 2 3 Step 2 Mount 2 3 Step 3 Attaeh SCSLCabler y u iR pk obs 2 3 Step 4 Terminate SCSI Bus if 2 3 Step 5 Set Array Input Voltage Switch 2 4 Step 6 Attach Power 2 4 Step 7 Power Up the Array c beeen ied ERE ee 2 4 Step 8 Check Array Status 2 4 Driv Status usa a ots 2 4 Drive Status Codes 2 5 Step 9 Configure the Array 2 5 Step 10 Power Up the Host 2 5 3 Display Operation 1 3 1 In This Chapter z azia 2 a a er Ds 3 2 Controls and Indicators 3 3 Operation 3 4 Array Power Up and Built In Self Test BIST 3 4 Initial Display 3 4 Tree Structured
34. ance rates Functions and faster than those provided by single disk storage systems Ciprico s 6500 Disk Application Array can provide economical yet powerful performance redundancy and PP capacity The 6500 Disk Array provides transfer rates up to 40MB second Each Ciprico 6500 disk array includes an intelligent SCSI ATA controller a full function display operation panel a lockable enclosure with power supply and cooling fans and nine ATA drives eight for data and one for parity Available for operation with either single ended or differential SCSI signal types Ciprico 6500 arrays can be easily striped or daisy chained together to provide higher capacities 6500 Disk Array User s Guide 21020690 B Features Options SCSI Compatibility Controller Board Disk Drives Redundancy Parallel Disk Array Architecture Parity Drive 21020690 B Chapter 1 Description Features and Options Conforms to SCSI 2 standards 8 or 16 bit data transfers on host interface Single ended or differential SCSI interface Compatible with industry standard SCSI adapters and drivers including all Ciprico SCSI host bus adapters SCSI 2 to ATA RAID 3 disk array controller with a 16 bit host SCSI interface and 9 ATA interfaces 0514 001 9 ATA disk drives 8 data one parity Continued operation after failure of a single data drive Ciprico s 6500 parallel disk array communicates with an initiator or host v
35. ange from or assigned array name 0409 001 in which F denotes the position of the disabled drive in this example drive 3 the third drive from the right audio alarm will activated Gf enabled To turn off the audio alarm temporarily press the SELECT key or one of the arrow keys Doing so will move the display to a new menu item and erase any hexadecimal error codes that may have been showing on the display Note that these error codes are nonvolatile and can be accessed at any time for service purposes 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Disabling a Failed Disk Drive __________________________ Page 4 23 Di sabling a This procedure allows you to disable one drive in the array The array stops Failed Disk operations on the selected drive and allows it to be physically removed Drive Note The array prevents any drive from being disabled if another drive in the array is currently failed or disabled The procedure in the following example disables Drive 5 1 Press the down arrow on the display operation panel then press the right or left arrows until the Fi menu is displayed 2 Press the down arrow 3 Press the right or left arrows until the menu is displayed 4 Press the down arrow 5 Press the right or left arrows until the desired drive number e g 5 is displayed 6 Press SELECT The selected dr
36. avigation Switches Up Down Left Right The four arrow switches on the panel are used to step through options in the tree structured menu and to make selections when available Pressing SELECT initializes the currently displayed option 6500 Disk Array User s Guide 1 Description Rear Panel Switches Connectors Z O Z O Oo 2 2 22L Page 1 9 Rear Panel This figure illustrates the rear panel components described below Switches and Connectors Power Voltage Selection Switch Connectors Power ON OFF Switch Activity LED 00000434 1 Figure 5 Rear Panel 6500 Disk Array SCSI Two identical 68 pin SCSI P connectors on the array s controller board enable Connectors connection to a SCSI bus from the host Activity LED controller board activity LED located next to the right most SCSI P connector lights when power is applied to the array during the first part of the Built In Self Test BIST until the microprocessor extinguishes it This LED also flashes on a BIST failure After completion of BIST it lights whenever the controller board is busy with a SCSI command Power Thearray s power ON OFF switch is located on the rear panel next to the power OFF Switch supply Power Cord the power supply male connector attaches to the power source Connectors Caution not use female power connector Power Voltage A switch located between the two power cor
37. cond Two methods can be used for sending signals on a SCSI bus single ended and differential Both are functionally equivalent and transparent to the software protocol Note Single ended and differential devices must not be combined on the same SCSI bus Each 6500 array must be initially ordered as either single ended Model 6511 or differential Model 6512 Single Ended Option The single ended option permits the use of a single line for each signal The line s voltage varies between 0 5 and 3 0 volts DC with a nominal switching threshold at about 1 4 VDC Maximum cumulative length of single ended cabling should not exceed 3 0 meters approximately 10 feet Differential Option The differential option consists of two lines designated as SIGNAL and a SIGNAL A signal is true when the SIGNAL is more positive than the SIGNAL and false when the SIGNAL is more positive than the SIGNAL The differential method is more immune to noise than the single ended method and permits the use of much longer cabling up to 25 meters approximately 82 feet Two horizontal mounting options are available desktop and rack mount For information on rack mounting the unit see documentation included with the optional rack mount kit 21020690 B Components Enclosure Air Filter Controller Board Display Operation Panel Disk Drives Fans and Temperature Sensor Power Supply 21020690 B Cha
38. d connectors on the power supply Selection is used to select 115 or 230 VAC operation for the array Switch 6500 Disk Array User s Guide 21020690 B Installation 2 Installation 2 2 In This Chapter In This Chapter This chapter describes a typical installation of the 6500 Disk Array subsystem Note Instructions for attaching a rack mount kit to the enclosure are included with the rack mount kit 21020690 B 6500 Disk Array User s Guide 2 Installation Procedure Installation Procedure Step 1 Move Array to Operation Site Step 2 Mount Enclosure Step 3 Attach SCSI Cable Step 4 Terminate SCSI if Necessary 6500 Disk Array User s Guide Installation Install the 6500 disk array as follows Move the array to its intended place of operation Verify that power and communication cables will be accessible and that the array will be installed in a properly ventilated climate controlled environment with adequate work space around the unit The standard array enclosure is shipped from the factory ready for placement on a desktop Attach the supplied rubber feet to the bottom of the enclosure and position the unit properly on a desk or other work surface If you have ordered the rack mount option attach the kit to the enclosure as described in the instructions included with the rack mount Connect one end of the host to array SCSI cable to the ho
39. e failed drive not replaced and a Reset started a second message is displayed at the completion of the Reset This error message should be ignored 6500 Disk Array User s Guide 21020690 B 4 28 Formatting the Array 0411 002 21020690 B SELECT Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Formatting the Array A drive that is not formatted for the array one lacking a 6500 system sector will have a U displayed as its status All arrays are formatted completely before shipment If a message like the following example a message containing a U for the status of any drive is displayed you will have to format the array 0410 001 The following procedure formats the entire array and writes a system sector on each disk Formatting destroys ALL data on the array Caution The following actions must not occur during formatting The array must not be reset by any method The SCSI terminator must not be removed from the array The array must not be powered down 1 Press the down arrow on the displa operation anel then pos the right or left arrows until the F displayed 2 Press the down arrow 3 Press the right or left arrows until the displayed 4 Press the down arrow to view the setting If this setting is incorrect press the right or left arrows until the desired Sector Size is displayed then press the SELECT key 5 Press the up arrow 6 Pr
40. el of the enclosure is in the OFF position Then plug the power cord into the appropriate connector on the rear panel of the array Plug the other end of the power cable into the power source Caution The standard power cord provided with the array is for use in the United States and Canada If necessary replace the power cord with one that meets local safety and electrical standards Move the power switch on the rear panel of the array enclosure to the ON position Observe the display operation panel for the following start up displays and status indications Drive Status At array reset or power up the display operation panel will cycle through a series of displays that show the status of each drive in the array Drives in the array are numbered from right to left with drive number 1 representing the parity drive and drives 2 9 representing the eight data drives 9876 5432 1 Drive 1 Parity Drive 6500 Disk Array User s Guide 2 Installation Installation Procedure Step 9 Configure the Array Step 10 Power Up the Host System Page 2 5 Drive Status Codes The following codes on the display operation panel indicate drive status Code Drive Status O OFF 5 Spinning G Good Tested OK T Testing R Ready U Unformatted for Array X Out of Order Unknown Status F Failed Table 1 Drive Status Codes At array reset or power up a Built In Se
41. emoval Replacement 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Drive Failure Replacement and Rebuildng ______________________ Page 4 21 Drive Failure The following pages contain information you will need to handle 6500 array Replaceme nt drive failures drive replacement and drive rebuilding 3 and Rebuilding When all 9 drives are installed in the subsystem the failure of one drive does not affect performance The failure is reported through the display operation panel An alarm will sound if enabled The loss of a second drive can cause a catastrophic loss of data To ensure continued array operation without data loss a failed drive should be replaced and its data rebuilt as quickly as possible CAUTION If you are formatting a drive or rebuilding data on a drive do not reset the array by any method do not remove the array s SCSI terminator and do not turn off the power to the array Determining The array uses the following conditions to identify a failed drive Drive Failure The drive does not pass drive tests or fails in command time out A single drive is unformatted or from another set Drive error thresholds If any of the above conditions are met the controller will spin down the drive and report the failure Reporting In the 6500 array drive failures create a SCSI Unit Attention condition in the Drive Failure arrayifthe option
42. eshold for triggering of automatic shutdowns because of non recoverable medium errors RECOVERED vvvvv ERRS To set the threshold for medium errors press the down arrow This causes the cursor to flash overthe least significant digit of the 5 digit threshold maximum value 65 535 To increment the threshold setting press the right arrow key to decrement it press the left arrow key Press the down arrow again to move to the next digit When the desired threshold is set press SELECT 6500 Disk Array User s Guide Maintenance Troubleshooting 4 Hardware Replacement Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 2 In This Chapter In This Chapter This chapter contains information you will need for Ciprico 6500 Disk Array maintenance troubleshooting and hardware replacement Periodic maintenance guidelines Failure detection and troubleshooting guidelines Hardware field replaceable units FRUs 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Periodic Maintenance Guidelines Page 4 3 nder normal conditions the array requires minimal periodic eriodic Und conditi he 6500 y requi inimal periodi Maintenance maintenance Preventive maintenance consists of periodically checking the operation of cooling fans and cleaning the enclosure s air filter Guidelines Checking Periodically inspect the rear panel of the array enclosure to
43. ess the right arrow once to display the 7 Press the down arrow to view the 7 If the setting is incorrect press the right arrow once to switch it then press the SELECT key 8 Press the up arrow 9 Press the right arrow once to view the 5 menu 10 Press the down arrow gt setting must be set to ES If needed press the right arrow once to display YES 11 Press SELECT 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Formatting the Array 111 Page 4 29 Note The format process begins for the entire array Depending on the array configuration formatting can take from 10 to 20 minutes to complete The table below identifies how to interpret the display operation panel messages during the format process When display shows It indicates 1 Format begins 2 Transferring format data from the host 3 49 Not displayed 50 55 Reading capacity for all drives 55 94 Data fill writing inter drive parity Writing new system sectors to all drives and cleaning up 25 97 following the format process Table 9 Array Formatting Message Definitions Formatting IrFadrive fails during a format operation initiated through the display operation Error Code panel the error code shown below appears 00000363 001 The code 15 read as follows Code Meaning Hardware Error Sense Key Write Fault Additional Sense Code
44. et to 34 the array writes aata to the drives in order to initialize the parity drive The defauli setting is CH This selection must be to the array before you press SELECT in order to format 6500 Disk Array User s Guide 21020690 B Page 3 20 DRIVES 21020690 B DRIVE STATUS DISABLE DRIVE Chapter 3 Display Operation Panel DRIVES From see Menu Structure 4 of 5 Format amp Drives on page 3 9 These menus let you view the current drive status disable a disk drive and view information on the drive s model number The read only gt option typically displays for each drive Any ofthe drive status options listed below could be displayed however The status for any installed drive can be viewed with this selection Code Drive Status O OFF 5 Spinning G Good Tested OK T Testing R Ready U Unformatted for Array X Out of Order Unknown Status F Failed Table 3 Drive Status Options ASQ This menu selection typically displays A non zero number indicates a failed drive and an ASQ code is associated with the failure See note below This menu selection is display only XTRA This menu selection is display only and typically displays 1 A non zero number indicates a failed drive and an ASQ XTRA code is associated with the failure See note below Note In this case ASQ Additional Sense Code Qualifier and ASQ XTRA codes
45. exceeds either th or threshold the alarm sounds and the appropriate message appears on the display operation panel Both the alarm and the display message will remain until you touch a key on the panel the up arrow key is preferred to clear the alarm because it will not clear the error display Even if the temperature has gone below both over temperature thresholds this setup ensures that you will be aware of an over temperature situation even if the temperature returned to normal before you could intervene When the alarm and display message have been cleared you can determine the array s current temperature by invoking the command in the display operation panel 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshoot ing Guidelines Page 4 11 Troubleshoot When a component fails in a 6500 disk array it is most often easily traced and ing Guidelines fixed There are occasions however when the problem may not be so straightforward e g when unusual applications produce inconsistent results For the best results use these tips to troubleshoot the array Eliminate the obvious possibilities first start withcomponent exchange Change only one item or setting at a time Keep a log or take notes on the progression of the problem Record all error messages and status codes If you can t find a solution contact your service provider
46. his nine disk array eight drives are used for data storage and the ninth for parity checking No matter which drive is replaced it is possible to use the remaining drives to reconstruct the missing information Off Line off line rebuild occurs when the subsystem is off line and remains off line Rebuild throughout the rebuild process During an off line rebuild the array will be unavailable for use To complete the rebuild in the shortest amount of time do an off line rebuild with the percentage of time dedicated to rebuilding set to 99 Percentage A percentage rebuild occurs when the subsystem is on line During a Rebuild percentage rebuild the drive s data is rebuilt concurrent with other operations The percentage of time allotted to the rebuild process can be selected via the display operation panel Completion time for a percentage rebuild will vary with the percentage selected and the intensity of system activity directed at the array and the size of the disk Du ring Following is brief description of what happens as the array rebuilds a drive Rebuild The controller board will 1 Apply power to the replacement drive s drive spindle motor spinning up the drive 2 Rebuild the data In this step data is read from other drives and reconstructed on the new drive Note If the rebuild is interrupted for example if the array is powered down or the rebuild is canceled the process will terminate in an orderly manner Howe
47. ia the SCSI 2 industry standard interface The array s design combines current drive technology with an advanced controller board where data is striped across eight drives at once Byte striping involves partitioning of data into bytes with each byte assigned to a particular drive and all bytes written to the drives simultaneously Using this method transfer rates for read write functions are significantly faster than a single disk drive having the same capacity Improved reliability and data availability are provided by a dedicated parity drive As data is striped to the eight data drives parity data is generated and stored on the parity drive Parity information is used to verify data integrity when reading from the drives and to regenerate data if a drive should fail and is replaced A single drive failure will not degrade overall performance Use of 6500 Disk Array User s Guide Chapter 1 Description Features Options 16 Bit Wide Synchronous Transfer Single Ended or Differential Signals Enclosure 6500 Disk Array User s Guide Page 1 5 the parity drive also significantly increases data availability the length of time before data is lost due to drive failure The controller has SCSI P connectors per the SCSI 2 standard that permit 16 bit wide synchronous data transfers over a single SCSI P cable on the host interface The 6500 is a Wide Ultra SCSI device SCSI 3 transferring data at up to 40 MB se
48. it hexadecimal number This item gives access to the entry for each recorded drive failure occurrence Records for the last 16 drive failures can be stored in this log For each failure occurrence a failure entry number is assigned The failure entry identifies the drive on which the failure occurred and gives two kinds of SCSI codes that describe the failure The first is a two digit hexadecimal ASQ code Additional Sense Code Qualifier the second is an eight digit hexadecimal EXTRA code ASQ is a standard category of SCSI error codes EXTRA codes are diagnostic codes unique to Ciprico The DRIVE FAILURES item relates to SCSI log page number 5 If no failures have been recorded the display for this menu item will read ENTRY DRIVE This item gives you access to drive failure entries by entry number and tells you the drive on which each failure occurred j 1 16 n 1 9 ENTRY ASQ 22 This item gives you the two digit hexadecimal code of the ASQ type that applies to the drive failure occurrence ASQ Additional Sense Code Qualifier ENTRY EXTRA 99999999 This item gives you the eight digit hexadecimal code of the EXTRA type that applies to the error entry 6500 Disk Array User s Guide 21020690 B ced escis ENABLE LOG RESET LOG SET THRESHOLDS 21020690 B Chapter3 Display Operation Panel LOGPAGES This item lets you enable or disable the logging function by choosing GFF The factory default
49. ive is disabled 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement 4 24 Disk Drive Removal Disk Drive 1 Perform top cover removal procedure as described previously Removal 2 Identify the drive to be replaced As viewed from the top front of the array the drives are numbered as follows from left to right 987654321 3 Detach the drive s power cable and data cable Detach the data cable from both the controller board and the unit 4 Remove the two screws that secure the drive to the plate above the drives see the figure below 5 Slide the drive toward the rear of the enclosure until it is free of the card guides and remove it from the array 6 Using a screwdriver detach the drive s mounting bracket and save it for use in installing the replacement drive Disk Drive Reverse the steps above Replacement Bracket 00000443 CO1 Figure 25 Disk Drive Removal Rear View Drive Setup Replacement disk drives from Ciprico are preconfigured ready for installation Requirements inthe array Replacement drive jumpers must be configured to identify the drive as a master without a slave unit or as one drive only 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement TypesofRebullds 0 En Types of The next task required is to rebuild data onto the new drive in the array Rebuilds In t
50. kes approximately 10 seconds after which the drives in the array are started and begin to spin up BIST When this process is finished the display should look like this 00000211 03 Initial Display Normally the initial display appears as shown above or assigned array If a failure occurs with any of drives in the however the bottom line will show the status of each of the nine drives in descending order from left to right For example an array with a failed drive 6 would display i f data drives 9876 5432 and parity drive 1 The down arrow at the right end of the top line indicates that menu selections are available only in that direction Tree The first level in the tree below the initial display entered by pressing the Structured down arrow once is the level which divides the menu Menu tree into the categories shown in the figure below Menu Structure 1 of 5 Array Options on page 3 6 illustrates the entire menu structure The Display Key on Menu Structure 2 of 5 Array Options on page 3 7 explains which arrows are enabled for each menu Note See the Display Operation Panel Quick Reference included with the equipment for an abbreviated version of the diagrams on the following pages DH LINE STRTUS DK FUNCTION SELECT W FUNCTION SELECTF HRERHY OPTIONS gt ARRAY INFO FUNCTION SELECT W FUNCTION SELECT W FUNCTION SEL
51. lf Test BIST will run During BIST the drive status display reflects the test stage that each drive is passing through Under normal conditions each drive passes through stages OFF Spinning Testing Good and then Ready as listed above Whenalldrives are in the same state an English language status message will appear on the display operation panel During the spin up process all drives in the array reach their normal operating speed and each drive is tested When testing and spin up are complete the GE message appears 00000211 C03 Ciprico ships 6500 arrays with default settings designed to suit most operating environments If necessary you may reconfigure the array using the display operation panel Chapter 3 in this guide describes how you can use the display operation panel to verify or change the array s operating parameters In most situations you will only have to reconfigure two parameters Array SCSI ID Each device on the SCSI bus must have a unique ID UNIT ATTENTION reporting SCSI drivers in some systems do not handle this parameter correctly and it may have to be disabled When the 6500 array has been properly configured power up the host computer 6500 Disk Array User s Guide 21020690 B 3 Display Operation Panel Chapter 3 Display Operation Panel 3 2 In This Chapter In This Chapter This chapter describes the options and functions available with the 6500 Disk A
52. m the SCSI bus Remove terminator if used 3 Remove jack screws for SCSI cables and disconnect all power drive and display cables connected to the controller board 4 Remove screw at the center of the controller board Slide the controller board forward slightly to align the mounting bosses with the enlarged portion of the board s mounting keyholes Then carefully lift the controller board out of the array enclosure Replacement Reverse the steps above 00000437 CO1 Figure 19 Controller Board Removal Replacement 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page4 16 ____ Display Operation Panel Removal Display 1 Perform top cover removal procedure as described previously Ope ration 2 Disconnect the display operation panel s ribbon cable from the Panel Removal controller board at connector 70401 see the figure below Also remove the cable from the clip on the side of the enclosure 3 Remove screws that hold the panel housing to the front of the array 4 While lifting the panel away from the array enclosure guide the ribbon cable connector through its slot to free it from the enclosure Replacement Reverse the steps above 00000438 CO1 Figure 20 Display Operation Panel Removal and Replacement 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Power Supply Removal 22 Po
53. nce you have aligned the replacement chip correctly insert it into the appropriate socket The location of the socket and the orientation of the chip are shown in the above figure 4 Using even pressure to avoid bending pins remove the ODD firmware chip 5 Orient align and install replacement chip Align the notched end of the chip with the notched end of the socket Once you have aligned the replacement chip correctly insert it into the appropriate socket using even downward pressure 6 Replace the array s top cover 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Updating Firmware Page 4 31 7 Apply power to the array 8 Observe the display operation panel power up sequence When the has completed the BIST Built In Self Test you should see the message 6500 Disk Array User s Guide 21020690 B Numerics 6500 Disk Array controller board technical reference i description 1 1 1 3 FEALUTOS y hua yaa s 1 4 installation 2 1 primary components 1 6 rack mount 1 5 A activity LED ea 1 9 ES 1 6 cleaning 4 4 removal replacement 4 4 Alan u asa ERR PA 3 13 4 6 turning off 4 6 4 22 array
54. ng process or Sx ane lower the percentage the longer the rebuild will take The default setting is 99 This selection must be set to ES before you press SELECT to rebuild a drive 6500 Disk Array User s Guide 3 Display Operation Panel SECTOR SIZE DATA FILL START Page 3 19 From F T use the left right arrow keys to select Menu Structure 4 of 5 Format amp Drives on page 3 9 Each disk in the array is written with a special system sector during formatting that holds information about the array For this reason an array must be formatted before it can be used All arrays are formatted completely before shipment You must format the array only if on power up or reset you see a display similar to the following which indicates that drives 9 6 5 and 4 in the array are unformatted 0373 C02 Note If this type of display appears format drives as described in Chapter 4 of this guide The sector size options for 6500 arrays expressed in bytes per sector are 512 1024 2048 4096 and 8192 Factory default setting is 512 This option writes a pattern to the data disks in the array generates parity data and writes the parity data to the parity disk If you do not choose to use data fill you may get an inter drive parity error if you perform a read operation before a write ee after format The settings for this option are and d When s
55. ns set forth in Part 15 of the FCC Rules If this equipment does cause interference to radio or television reception which can be determined by turning the equipment on and off use the equipment in another location and or utilize an electrical outlet different from that used by the receiver The user should use special accessories such as a shielded cable as recommended in these operating instructions in order to continue to meet FCC emission limits and not possibly interfere with nearby radio and television reception Canada This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus set out on the Radio Interference Regulations of the Canadian Department of Communications Cet quipement lectronique ne d passe pas la limite de la classe A pour le bruit lectromagn tique d finie pour les appareils lectroniques num riques par la r glementation sur les radio interf rences des Services Canadiens des t l communications Germany Hiermit wird bescheinigt dass das Ger t AS6511 und AS6512 Disk Array subsystems in bereinstimmung mid den Bestimmungen der Vfg 1046 1984 funkentst rt ist Der Deutschen Bundespost wurde das Inverkehrbringen dieses Ger tes angezeigt und die Berechtigung zur berpr fung der 6500 auf Einhaltung der Bestimmung einger umt 6500 Disk Array User s Guide 21020690 B 21020690 Listings Certification Preface UL 00000079 C01 This symbol
56. on is in place Replace array controller board Table 4 BIST Troubleshooting 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshoot ing Guidelines Page 4 9 Drive Test When the Built In Self Test BIST described previously has finished a Failures firmware based drive test is executed that tests the integrity and functionality of each drive channel including the capacity to rebuild and generate parity If a drive fails when tested the drive is first shown on the display as spinning up other drives that pass the drive test are shown as good In the following example drive 3 is shown failing the drive test 0507 C01 When the drive test times out drives that pass the drive test are shown as and AANA Ana Note If multiple drives fail the array will display a message similar to this message 0515 C01 Disk Drive array will continue to function if one disk drive fails Failures Caution When disk fails it should be replaced and a rebuild should be performed as soon as possible See disk replacement and rebuild instructions later in this chapter Indicators Display operation panel shows an F as status for the drive that has failed Audible alarm sounds if enabled Handling If you see this Check or replace this The order of the drives in the status display is 9876_5432_1
57. on the nameplate means that the product is listed by Underwriters Laboratory Inc TUV Rheinland 00000412 001 Ciprico 6500 Disk Array subsystems have been tested and found to be in accordance with Paragraph 3 of the Equipment Safety Law of June 24 1968 the version that is presently valid 00000368 01 This symbol the nameplate means that the product is listed Underwriters Laboratory Inc and has been certified to Canadian standards 6500 Disk Array User s Guide Table of Contents puce Page v Table of Preface cud e etel aC s In This Guide iau ere Ner el Contents Notational i Revision History ii Warning Fire and Shock Hazards re ee de ya il Warning Power Cord si tee niku E s ii Electro magnetic Compatibility uy cda ERE EEE bles iii United States se apea a Der iii Canadas Zee iii Germany 24255 ox iii Safety Listings and iv 1 DESCHPLON tris yma re IURE Ses 1 1 In LhisChaptetzs el 1 2 6500 Disk Array Functions and Application 1 3 Features and Options 1 4 SCSI 1 4 Controller
58. oval 22 Ba Cooling Fan Each 6500 array contains two cooling fans To remove either ofthem perform Removal the following steps 1 Perform top cover removal procedure as described previously 2 Disconnect the fan s two wire power connector from its receptacle in the controller board See connectors 71801 and J1802 in the figure below Connectors J1801 amp J1802 00000441 C01 Figure 23 Cooling Fan Removal Replacement 3 Remove the four screws securing the cooling fan to the rear of the enclosure 4 Remove cooling fan from enclosure Replacement Reverse the steps above 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 20 Power Switch Removal Power Switch 1 Perform top cover removal procedure as described previously Removal 2 Disconnect power switch from power supply as follows p p pply Note orientation of switch the marker is up the O marker 15 down Note wire positions on switch then remove the four wires from their connectors on the power switch 3 Using fingers and or a flat blade screwdriver compress the plastic lock tabs that secure the switch to the enclosure wall and push the switch through the back of the enclosure Replacement Reverse the steps above Use the figure below to make correct connections to the power switch terminals BR BK BU WH 00000442 CO1 Figure 24 Power Switch R
59. pplicable Because the 6500 arrays are equipped with ATA drives they produce ATA error codes These are translated on the controller board into SCSI codes to maintain compatibility with arrays equipped with SCSI drives The item relates to SCSI log page number 4 If no errors have been recorded the display for this menu item will read ENTRY k DRIVE n This item gives you access to error entries by entry number and tells you the drive on which each error occurred k 1 40 n 1 9 6500 Disk Array User s Guide Chapter 3 Display Operation Panel LOG PAGES DRIVE FAILURES Page 3 23 ENTRY k SENSE KEY yyH This item gives you the two digit hexadecimal sense key code for the error entry Every error will have a sense key code The sense keys report generic categories of error and exception conditions Initiators typically use sense keys for high level error recovery procedures ENTRY k ASC yyH This item displays the two digit hexadecimal code for the ASC code that applies to the error entry ASC Additional Sense Code ENTRY k ASQ yyH This item displays the two digit hexadecimal code for the ASQ code that applies to the error entry ASQ Additional Sense Code Qualifier ENTRY k LBA 12345678H This item specifies the Logical Block Address on the drive at which the error occurred if applicable Some errors are not associated with a specific block location on the drive The address is an 8 dig
60. pter1 Description Primary Components The Primary Components diagram on page 1 7 illustrates the 6500 disk array primary components described below The standard 6500 enclosure consists of a front cover and an enclosure cabinet built in a desktop configuration An optional rack mounting kit is available Analr filter 1s located between the disk drives and the front of the enclosure It must be periodically cleaned to ensure proper air flow The controller board is designed with a multiple local bus architecture A master microprocessor commands the board s main processor bus and manages its operations including command optimization and processing failed drive processing and high level drive operations The master processor communicates with each drive via an ATA controller circuit Communications between the master processor and each drive occur on separate but identical drive channels The operator interface includes a two line 32 character LCD display and six control switches 9 ATA disk drives 8 data one parity Two fans cool the array A sensor mounted on the array s controller board monitors the temperature inside the enclosure and triggers an audio alarm if the temperature rises above the normal operating range If excessive heat is detected critical over temperature the array will shut down the drives The array s power supply is switch selectable for 115 or 230 VAC operation A male connector attaches to the
61. r menu selection titles when active 6500 Disk Array User s Guide 3 Display Operation Panel ARRAY INFORMATION Page 3 15 From INFORMATION use the left right arrow keys to select i 4 see Menu Structure 3 of 5 Array Info amp Rebuild on page 3 8 These display only selections let you view the following array information FIRMWARE The revision leve menu gives you access to three firmware parameters firmware the results of a checksum test TEST 2nd a Ay of the hexadecimal tallies of the checksum test FIRMWARE REV Displays the revision level of the firmware residing in the array s firmware PROM device Two submenus display the date and time associated with the firmware revision and a third submenu displays the model number of the array TEST CHECKSUMS This item and its submenu display as the results of a test in which expected checksums are compared to calculated checksums of the current contents of the Primary PR firmware buffers and the BIST buffer Matching checksums for a buffer verify that the contents of that buffer have not changed and it passes the test DISP CHECKSUMS This item is similar to the TEST item except that instead of showing a condition the actual checksums are displayed i in hexadecimal Two submenu items are associated with In the second submenu item there a
62. r warranty Field Replaceable Units FRUs on page 4 13 identifies 6500 array Field Replaceable Units FRUs 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Hardware Field Replaceable Units FRUs Page 4 13 Top Cover Controller Firmware EEPROMs on Controller Board Disk Drive 1 9 Switch Air Filter Display Operation Panel 00000433 CO1 Figure 17 Replaceable Units FRUs 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 14 Enclosure Top Cover Removal Enclosure Top 1 Power down the array Cover 2 Remove AC power cord Removal 3 Unlock and open front cover of enclosure see the figure below 4 Remove the screws in the enclosure s front surface that secure the top cover to the enclosure 5 Lift the front of the top cover 6 Slide the top cover toward the rear of the enclosure to disengage the cover s hooks from their slots 7 Lift top cover from enclosure Replacement Reverse the steps above Top E 00000436 CO1 Figure 18 Top Cover Removal 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Controller Board Removal 4 15 Controller 1 Perform top cover removal procedure as described previously Board Removal 2 Disconnect the array fro
63. re four entries at the upper left the expected checksum from the primary buffer appears at the lower left the calculated checksum for the primary buffer is shown at the upper right the expected BIST checksum appears and at the lower right the calculated BIST checksum appears TEMP Displays the temperature detected by the sensor on the controller board in SENSOR degrees Celsius and Fahrenheit 6500 Disk Array User s Guide 21020690 B Pade d lo INITIATOR INFO 21020690 B Chapter 3 Display Operation Panel ARRAYINFORMATION Displays the logical block number of the last data block in the array A value followed by 2 indicates a decimal number a value followed by H indicates a hex number To calculate the capacity of the array add one to the number displayed For example a display with E inan array formatted with 512 as the sector size indicates that the array s capacity is 4 207 837 blocks of 512 bytes each A SCSI 2 bus can have up to 16 devices attached to it with some devices acting as initiators of SCSI commands and some acting as targets The array is always a target The SCSI protocol allows targets and initiators to negotiate the width of the bus to be used when transferring data the transfer rate and also whether the transfer will be synchronous or asynchronous This information is stored by the array for each initiator on the SCSI bus under Array Information 0430 001 P is
64. rray display operation panel The panel is used to observe current array status change operating parameters and manually control the array 21020690 B 6500 Disk Array User s Guide 3 Display Operation Panel Controls and Indicators eee Controls and The display operation panel includes an LCD display and six membrane control Indicators switches RESET SUBSYSTEM 0176 03 Figure 7 6500 Display Operation Panel The LCD displays 2 line by 16 character messages that include directional arrows showing you which switches to use for navigation through the menu or for function selection The RESET switch returns the array to an initial power up condition in which the firmware and SCSI chip are initialized Any in progress array activity will be halted without saving The SELECT switch is used to activate or initialize the currently displayed option or function Four arrow switches are used to step through options in the tree structured menu and to make selections when available 6500 Disk Array User s Guide 21020690 B Chapter 3 Display Operation Panel Page 3 4 Operation Guidelines Operation Guidelines Array Power When the array is powered up the display operation panel turns on and Built Up and Built In In Self Test BIST is executed Text descriptions for most of the tests briefly Self Test the panel as the tests are performed This process ta
65. s the down arrow Press four keypad keys in sequence do not use the RESET key in this sequence and be sure to note the keys you enter see example at left left left down up This four key sequence will be your new password As each password key is pressed an asterisk is displayed i in the panel When the fourth key is pressed 6500 Disk Array User s Guide 3 Display Operation Panel 5 Page 3 13 Clear Password ON LINE n STATUS OK Clear a password as follows 1 Diss the down arrow then press the right or left arrows until F is displayed FUNCTION SELECT ARRAY OPTIONS 2 Press the down arrow ARRAY OPTIONS PASSWORD 3 Press the right or left arrows until the menu is displayed PASSWORD n PASSWORD 4 the down arrow to view the menu If is displayed press the right key once to show CLEAR PASSWORD 5 Press the down arrow H 6 Press the right arrow once to YES then press SELECT SELECT gt panel immediately displays 2 and password protection is CLEAR PASSWORD cleared from the array CLEARED 0259 C02 UNIT system cannot handle SCSI bus errors reported with a SCSI UNIT ATTENTION ATTENTION signal use this to mae ay from doing so is typically set to GH Setting HT resulti in some error messages such as Drive Failte and Rese
66. st system and the other end to one of the SCSI P connectors on the rear panel of the array To ensure a secure connection attach the cable connectors to both the host and the array using the small thumbscrews on each connector If the array is located at the end of the SCSI bus or if the array is the only peripheral device on the bus install a termination pack see the figure below The termination pack will be either single ended or differential depending on the type of array you are installing Attach the appropriate termination pack to the open SCSI P connector on the rear panel of the array enclosure 00000195 C01 Figure 6 SCSI P Termination Pack 21020690 B Step 5 Set Array Input Voltage Switch Step 6 Attach Power Cord Step 7 Power Up the Array Step 8 Check Array Status 21020690 B Chapter2 Installation Installation Procedure Before you connect the array s power cord to an AC outlet you must set the array power supply s input voltage selection switch to the proper position the 115 setting for 100 120 VAC or the 230 setting for 200 240 VAC The power supply s input voltage selection switch is located between the two power cord connectors on the rear panel of the array Caution If the input voltage selection switch is not in the correct position the array power supply will be damaged when power is applied First verify that the array power ON OFF switch on the rear pan
67. t being reported over the SCSI bus When active an alarm will sound and a message will display WRITE Setting T to OH PROTECT This is typically sett prevents any data from being written to the ALARM This menu allows turning the audible alarm on and off The audible alarm turns on when any of the following conditions occur in the array Disk drive fails Over temperature sensor detects excessive heat To silence the alarm temporarily when it is active press any key to turn off the alarm The setting is typically set to 6500 Disk Array User s Guide 21020690 B Page 3 14 SET DEFAULTS RPT AS RECOVER TEMP WARNING TEMP CRITICAL AUTO MEGOMETER ON OFF ARRAY NAME 21020690 B Chapter 3 Display Operation Panel ARRAY OPTIONS Setting the eturns the array to its factory default settings for 3 and The default for this option is Hi is set to GM when it is necessary for Unit Attention conditions to be reported as Recovered Errors rather than with a Unit Attention This is determined by the needs of the operating system and the driver Default Use this option to change the temperature at which the array will issue an alarm and warning display 53 the warning threshold for overheating conditions This temperature warning can be set in degrees Celsius or Fahrenheit and refers to the temperature detected by the sensor on the controller board
68. the Transfer Period O is the Synchronous Offset W indicates that a wide 16 bit bus will be used N indicates that a narrow 8 bit bus will be used To determine the Transfer Rate from the Transfer Period 1 Translate the hexadecimal Transfer Period into decimal For example 19H equals decimal 25 2 Multiply the decimal value by 4 to get the Transfer Period in nanoseconds 25 x 4 100 3 Take the reciprocal of this value to get the Transfer Rate in Megahertz 1 100 10 Megahertz 4 Multiply by the bus width 1 or 2 bytes to get the bus burst transfer rate e g 10 MHz x 2 bytes wide 20MB second Note Because the 6510 employs Wide Ultra SCSI technology the SCSI specification requires a slight variation to the computations above Wide Ultra SCSI technology is designated as OCH or decimal 12 when in fact it is slightly longer at 12 5 When the designated period is multiplied by 4 to get the Transfer Period in nanoseconds the result is 48 In reality it is 50 which is the value whose reciprocal 1 50 nanoseconds equals 20 Megahertz 20MB second 6500 Disk Array User s Guide 3 Display Operation Panel ARRAY INFORMATION Page 3 17 The Synchronous Offset represents the number of bytes a SCSI ACK signal may lag a REQ signal 16 10H is the maximum Offset allowed Although communications allow up to a 16 byte offset each byte is always acknowledged For additional information see the SCSI 2 specification
69. u may encounter the following types of failures Built In Self Test BIST failures Drive test failures Disk drive failures Over temperature failures 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshoot ing Guidelines Page 4 7 Built In Self During power up or after you push the RESET button on the display operation Test BIST panel the array will automatically run a Built In Self Test This test thoroughly exercises array hardware and checks the following Failures Controller board components and functionality Display operation panel functionality Firmware code checksum SCSI termination for single ended arrays You can reset the array and run BIST whenever you want to check the array internals Indicators The audible alarm will sound if enabled After the alarm has begun to sound it will go silent after any key 15 pressed The alarm cannot be disabled in BIST mode A BIST error will appear on the display operation panel A typical BIST error looks like this SUBSYSTEM 00000141 01 Figure 16 Sample BIST Error Message You have two options when a BIST error occurs Choose to continue with the BIST The failing test is skipped and the rest of BIST is run Choose to loop on the error The failing test is retried infinitely percentage of error will be displayed
70. ver when the rebuild is re initiated it will not resume where it stopped but will start over repeating both of the above steps Completing Upon completion of the rebuild process the display operation panel will revert the Rebuild the type of rebuild in process and will display 5 Subsystem operation will continue normally 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page4 26 2 Initiating a Rebuild Initiating a Once a drive has failed and been replaced you must rebuild the data to regain Rebuild array redundancy To perform a rebuild follow these steps 1 Press the down arrow key on the display operation panel to get into the menu synem The top line of the display will now read F 2 Press the right or left arrow key until you see arrow key to get into the 3 3 OPTIONAL Find the amp 2 option by pushing the right or left arrow key Press the down arrow key to get to the rebuild percentage options 4 OPTIONAL Choose the percentage rebuild you would like to use 10 50 or 99 You must press SELECT for a new percentage to take effect An asterisk will appear next to your chosen percentage value 5 Press the up arrow key to return to the top of the 6 Press the right arrow key once until you see arrow key to get to the h 7 Choose Press SELECT to begin the rebuild now SELECT 00000400 C
71. verify that the two Enclosure enclosure cooling fans are operating properly Make sure that both fans are Coolin g Fan spinning and check for any unusual bearing noises Operation If fan operation does not seem normal first verify that the cooling fans are receiving DC power from the power supply If you need to replace one or both enclosure cooling fans refer to the fan replacement procedures in this chapter Checking Periodically check the internal fan on the array s power supply to verify that it Power Supply is operating properly Cooling Fan Operation 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 4 Periodic Maintenance Guidelines Cleaning the maintain optimum air flow in the array enclosure clean the air filter twice Enclosure Air year or more frequently if the environment is dusty or the array is installed Filter in an exposed area To clean the enclosure air filter 1 Remove the front cover and top cover from the array enclosure see the figure below 2 air filter is a flexible piece of foam material located between the front of the enclosure and the drives Carefully flex and remove the material from its mounting position in the enclosure 3 Clean the filter with a vacuum cleaner 4 Insertthe clean filter back into its mounting position in the enclosure 5 Replace and secure the top cover and front cover on the enclosure
72. wer Supply 1 Perform top cover removal procedure as described previously Removal 2 Disconnect power supply from power switch see the figure below Pply 5 Note wire positions on power switch terminals see Power Switch Removal later in this chapter Then remove four power supply lugs from these terminals 3 Remove nut that secures power supply ground wire to enclosure 00000439 CO1 Figure 21 Power Supply Removal Electrical Disconnection 4 Disconnect power cables from their connectors on 9 disk drives 5 Disconnect power cables from the controller board 6500 Disk Array User s Guide 21020690 B Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Page 4 18 Power Supply Removal 6 Remove four screws that attach the power supply to the rear of the enclosure see the figure below 7 Unfasten the plastic retaining straps holding the drive power cables in place 8 Lift the power supply out of the array enclosure 00000440 01 Figure 22 Power Supply Removal Mechanical Disconnection Replacement Reverse the steps above Caution Verify that the Power Voltage Selection Switch setting on the replacement power supply matches the input power source 115 or 230 V AC The switch is located between the two power cord connectors on the rear panel of the power supply 21020690 B 6500 Disk Array User s Guide Chapter 4 Maintenance Troubleshooting amp Hardware Replacement Cooling FanRem
73. with 1 being the rightmost drive the unit Meaning Drive 3 in the LED for the failed drive will be out has failed Replace failed drive and rebuild Table 5 Disk Failures 6500 Disk Array User s Guide 21020690 B 4 10 Over temperature Failures 21020690 B Chapter4 Maintenance Troubleshooting amp Hardware Replacement Failure Detection and Troubleshoot ing Guidelines A temperature sensor mounted on the array s controller board signals over temperature status Each status is triggered at a different temperature Indicators Display operation panel displays of the following messages user definable 45 degrees C default L standard 50 degrees Audible alarm sounds Gif enabled If displays all drives will be spun down if enabled Handling If you see this Check or replace this Check room temperature Meaning sch 1 Check that the airflow from the front to the back of the eaning Array s Interna array is not impeded Check that the air filter is clean temperature has exceeded the first over temperature Check that the top cover is on the array threshold the warning 5 threshold Check that the fans are working Replace if necessary Meaning The array s internal an nn power supply for overheating Replace if temperature exceeds 50 C the critical threshold Table 6 Array Temperature If the array s temperature

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