X3T10/94-024R2
Doug, dtn 237-2145 Flames to NL: 11-Mar-1994 1102
hagerman at starch.enet.dec.com
Fri Mar 11 08:01:53 PST 1994
Date: March 11, 1994 X3T10/94-024 Rev 2
To: X3T10 Committee (SCSI)
From: Doug Hagerman (Digital)
Subject: Error Handling for SCSI Controllers
This paper is a proposal for some additional error codes to
handle situations encountered in storage subsystems,
particularly RAID subsystems.
1 GOALS
In the current SCSI standard the description of each ASC/ASCQ
codes is very brief, and there is no requirement that a disk
vendor use the codes in any particular way. In the case of
RAID subsystems, one of the original RAB goals was to allow
third party configuration software to be used to control RAID
boxes from several vendors. In this light I suggest that we
may wish to arrive at both a detailed list of ASC/ASCQ codes
and also some specific information about how they are used in
processing each command.
The goal of this draft is to arrive at a list of ASC/ASCQ
codes suitable for addition to the current SCSI-3 list. This
cut of the list includes all the SCSI-3 disk error codes (an
SDA can do anything a disk can do), plus a number of codes
that are used in various RAID implementation whose error code
lists I have access to.
I did not receive any suggestions from other vendors regarding
codes that they are interested in, so my position at this
point is that if all the following codes are included, the
list is complete.
2 DRAFT LIST OF ASC/ASCQ CODES
D - DIRECT ACCESS DEVICE
.T - SEQUENTIAL ACCESS DEVICE
. L - PRINTER DEVICE
. P - PROCESSOR DEVICE
. .W - WRITE ONCE READ MULTIPLE DEVICE
. . R - READ ONLY (CD-ROM) DEVICE
. . S - SCANNER DEVICE
. . .O - OPTICAL MEMORY DEVICE
. . . M - MEDIA CHANGER DEVICE
. . . C - COMMUNICATION DEVICE
. . . .A - RAID DEVICE
Page 2
. . . .
ASC ASCQ DTLPWRSOMCA DESCRIPTION
--- ---- ----------------------------------------------------
00h 00h DTLPWRSOMCA NO ADDITIONAL SENSE INFORMATION
00h 01h T FILEMARK DETECTED
00h 02h T S END-OF-PARTITION/MEDIUM DETECTED
00h 03h T SETMARK DETECTED
00h 04h T S BEGINNING-OF-PARTITION/MEDIUM DETECTED
00h 05h T S END-OF-DATA DETECTED
00h 06h DTLPWRSOMCA I/O PROCESS TERMINATED
00h 11h R AUDIO PLAY OPERATION IN PROGRESS
00h 12h R AUDIO PLAY OPERATION PAUSED
00h 13h R AUDIO PLAY OPERATION SUCCESSFULLY COMPLETED
00h 14h R AUDIO PLAY OPERATION STOPPED DUE TO ERROR
00h 15h R NO CURRENT AUDIO STATUS TO RETURN
01h 00h D W O A NO INDEX/SECTOR SIGNAL
02h 00h D WR OM A NO SEEK COMPLETE
03h 00h DTL W SO A PERIPHERAL DEVICE WRITE FAULT
03h 01h T NO WRITE CURRENT
03h 02h T EXCESSIVE WRITE ERRORS
04h 00h DTLPWRSOMCA LOGICAL UNIT NOT READY, CAUSE NOT REPORTABLE
04h 01h DTLPWRSOMCA LOGICAL UNIT IS IN PROCESS OF BECOMING READY
04h 02h DTLPWRSOMCA LOGICAL UNIT NOT READY, INITIALIZING COMMAND REQUIRED
04h 03h DTLPWRSOMCA LOGICAL UNIT NOT READY, MANUAL INTERVENTION REQUIRED
04h 04h DTL O A LOGICAL UNIT NOT READY, FORMAT IN PROGRESS
05h 00h DTL WRSOMCA LOGICAL UNIT DOES NOT RESPOND TO SELECTION
06h 00h D WR OM A NO REFERENCE POSITION FOUND
07h 00h DTL WRSOM A MULTIPLE PERIPHERAL DEVICES SELECTED
08h 00h DTL WRSOMCA LOGICAL UNIT COMMUNICATION FAILURE
08h 01h DTL WRSOMCA LOGICAL UNIT COMMUNICATION TIME-OUT
08h 02h DTL WRSOMCA LOGICAL UNIT COMMUNICATION PARITY ERROR
09h 00h DT WR O A TRACK FOLLOWING ERROR
09h 01h WR O TRACKING SERVO FAILURE
09h 02h WR O FOCUS SERVO FAILURE
09h 03h WR O SPINDLE SERVO FAILURE
09h 04h *DT WR O A* HEAD SELECT FAULT
0Ah 00h DTLPWRSOMCA ERROR LOG OVERFLOW
0Bh 00h
0Ch 00h T S WRITE ERROR
0Ch 01h WRITE ERROR - RECOVERED WITH AUTO REALLOCATION
0Ch 02h D W O A WRITE ERROR - AUTO REALLOCATION FAILED
0Ch 03h *D W O A* WRITE ERROR - RECOMMEND REASSIGNMENT
0Ch 04h *DT W O A* COMPRESSION CHECK MISCOMPARE ERROR
0Ch 05h *DT W O A* DATA EXPANSION OCCURRED DURING COMPRESSION
0Ch 06h *DT W O A* BLOCK NOT COMPRESSABLE
0Dh 00h
0Eh 00h
0Fh 00h
10h 00h D W O A ID CRC OR ECC ERROR
11h 00h DT WRSO A UNRECOVERED READ ERROR
11h 01h DT W SO A READ RETRIES EXHAUSTED
11h 02h DT W SO A ERROR TOO LONG TO CORRECT
Page 3
11h 03h DT W SO A MULTIPLE READ ERRORS
11h 04h D W O A UNRECOVERED READ ERROR - AUTO REALLOCATE FAILED
11h 05h WR O L-EC UNCORRECTABLE ERROR
11h 06h WR O CIRC UNRECOVERED ERROR
11h 07h W O DATA RE-SYNCHRONIZATION ERROR
11h 08h T INCOMPLETE BLOCK READ
11h 09h T NO GAP FOUND
11h 0Ah DT O A MISCORRECTED ERROR
11h 0Bh D W O A UNRECOVERED READ ERROR - RECOMMEND REASSIGNMENT
11h 0Ch D W O A UNRECOVERED READ ERROR - RECOMMEND REWRITE THE DATA
11h 0Dh *DT WR O A* DE-COMPRESSION CRC ERROR
11h 0Eh *DT WR O A* CANNOT DECOMPRESS USING DECLARED ALGORITHM
12h 00h D W O A ADDRESS MARK NOT FOUND FOR ID FIELD
13h 00h D W O A ADDRESS MARK NOT FOUND FOR DATA FIELD
14h 00h DTL WRSO A RECORDED ENTITY NOT FOUND
14h 01h DT WR O A RECORD NOT FOUND
14h 02h T FILEMARK OR SETMARK NOT FOUND
14h 03h T END-OF-DATA NOT FOUND
14h 04h T BLOCK SEQUENCE ERROR
14h 05h *DT W O A* RECORD NOT FOUND - RECOMMEND REASSIGNMENT
14h 06h *DT W O A* RECORD NOT FOUND - DATA AUTO-REALLOCATED
15h 00h DTL WRSOM A RANDOM POSITIONING ERROR
15h 01h DTL WRSOM A MECHANICAL POSITIONING ERROR
15h 02h DT WR O A POSITIONING ERROR DETECTED BY READ OF MEDIUM
16h 00h D W O A DATA SYNCHRONIZATION MARK ERROR
16h 01h *D W O A* DATA SYNC ERROR - DATA REWRITTEN
16h 02h *D W O A* DATA SYNC ERROR - RECOMMEND REWRITE
16h 03h *D W O A* DATA SYNC ERROR - DATA AUTO-REALLOCATED
16h 04h *D W O A* DATA SYNC ERROR - RECOMMEND REASSIGNMENT
17h 00h DT WRSO A RECOVERED DATA WITH NO ERROR CORRECTION APPLIED
17h 01h DT WRSO A RECOVERED DATA WITH RETRIES
17h 02h DT WR O A RECOVERED DATA WITH POSITIVE HEAD OFFSET
17h 03h DT WR O A RECOVERED DATA WITH NEGATIVE HEAD OFFSET
17h 04h WR O RECOVERED DATA WITH RETRIES AND/OR CIRC APPLIED
17h 05h D WR O A RECOVERED DATA USING PREVIOUS SECTOR ID
17h 06h D W O A RECOVERED DATA WITHOUT ECC - DATA AUTO-REALLOCATED
17h 07h D W O A RECOVERED DATA WITHOUT ECC - RECOMMEND REASSIGNMENT
17h 08h D W O A RECOVERED DATA WITHOUT ECC - RECOMMEND REWRITE
17h 09h *D W O A* RECOVERED DATA WITHOUT ECC - DATA REWRITTEN
18h 00h DT WR O A RECOVERED DATA WITH ERROR CORRECTION APPLIED
18h 01h D WR O A RECOVERED DATA WITH ERROR CORRECTION & RETRIES APPLIED
18h 02h D WR O A RECOVERED DATA - DATA AUTO-REALLOCATED
18h 03h R RECOVERED DATA WITH CIRC
18h 04h R RECOVERED DATA WITH L-EC
18h 05h D WR O A RECOVERED DATA - RECOMMEND REASSIGNMENT
18h 06h D WR O A RECOVERED DATA - RECOMMEND REWRITE
18h 07h *D W O A* RECOVERED DATA WITH ECC - DATA REWRITTEN
19h 00h D O A DEFECT LIST ERROR
19h 01h D O A DEFECT LIST NOT AVAILABLE
19h 02h D O A DEFECT LIST ERROR IN PRIMARY LIST
19h 03h D O A DEFECT LIST ERROR IN GROWN LIST
1Ah 00h DTLPWRSOMCA PARAMETER LIST LENGTH ERROR
Page 4
1Bh 00h DTLPWRSOMCA SYNCHRONOUS DATA TRANSFER ERROR
1Ch 00h D O A DEFECT LIST NOT FOUND
1Ch 01h D O A PRIMARY DEFECT LIST NOT FOUND
1Ch 02h D O A GROWN DEFECT LIST NOT FOUND
1Dh 00h D W O A MISCOMPARE DURING VERIFY OPERATION
1Eh 00h D W O A RECOVERED ID WITH ECC CORRECTION
1Fh 00h *D O A* PARTIAL DEFECT LIST TRANSFER
20h 00h DTLPWRSOMCA INVALID COMMAND OPERATION CODE
21h 00h DT WR OM A LOGICAL BLOCK ADDRESS OUT OF RANGE
21h 01h *DT WR OM A* INVALID ELEMENT ADDRESS
22h 00h D A ILLEGAL FUNCTION (SHOULD USE 20 00, 24 00, OR 26 00)
23h 00h
24h 00h DTLPWRSOMCA INVALID FIELD IN CDB
25h 00h DTLPWRSOMCA LOGICAL UNIT NOT SUPPORTED
26h 00h DTLPWRSOMCA INVALID FIELD IN PARAMETER LIST
26h 01h DTLPWRSOMCA PARAMETER NOT SUPPORTED
26h 02h DTLPWRSOMCA PARAMETER VALUE INVALID
26h 03h DTLPWRSOMCA THRESHOLD PARAMETERS NOT SUPPORTED
27h 00h DT W O A WRITE PROTECTED
28h 00h DTLPWRSOMCA NOT READY TO READY TRANSITION, MEDIUM MAY HAVE CHANGED
28h 01h *DT WR OM A* IMPORT OR EXPORT ELEMENT ACCESSED
29h 00h DTLPWRSOMCA POWER ON, RESET, OR BUS DEVICE RESET OCCURRED
29h 01h *DTLPWRSOMCA* POWER ON OCCURRED
29h 02h *DTLPWRSOMCA* SCSI BUS RESET OCCURRED
29h 03h *DTLPWRSOMCA* BUS DEVICE RESET MESSAGE OCCURRED
2Ah 00h DTL WRSOMCA PARAMETERS CHANGED
2Ah 01h DTL WRSOMCA MODE PARAMETERS CHANGED
2Ah 02h DTL WRSOMCA LOG PARAMETERS CHANGED
2Bh 00h DTLPWRSO CA COPY CANNOT EXECUTE SINCE HOST CANNOT DISCONNECT
2Ch 00h DTLPWRSOMCA COMMAND SEQUENCE ERROR
2Ch 01h S TOO MANY WINDOWS SPECIFIED
2Ch 02h S INVALID COMBINATION OF WINDOWS SPECIFIED
2Dh 00h T OVERWRITE ERROR ON UPDATE IN PLACE
2Eh 00h
2Fh 00h DTLPWRSOMCA COMMANDS CLEARED BY ANOTHER INITIATOR
30h 00h DT WR OM A INCOMPATIBLE MEDIUM INSTALLED
30h 01h DT WR O A CANNOT READ MEDIUM - UNKNOWN FORMAT
30h 02h DT WR O A CANNOT READ MEDIUM - INCOMPATIBLE FORMAT
30h 03h DT A CLEANING CARTRIDGE INSTALLED
30h 04h *DT W O A* CANNOT WRITE MEDIUM - UNKNOWN FORMAT
30h 05h *DT W O A* CANNOT WRITE MEDIUM - INCOMPATIBLE FORMAT
30h 06h *DT W O A* CANNOT FORMAT MEDIUM - INCOMPATIBLE MEDIUM
31h 00h DT W O A MEDIUM FORMAT CORRUPTED
31h 01h D L O A FORMAT COMMAND FAILED
32h 00h D W O A NO DEFECT SPARE LOCATION AVAILABLE
32h 01h D W O A DEFECT LIST UPDATE FAILURE
33h 00h T TAPE LENGTH ERROR
34h 00h
35h 00h
36h 00h L RIBBON, INK, OR TONER FAILURE
37h 00h DTL WRSOMCA ROUNDED PARAMETER
38h 00h
Page 5
39h 00h DTL WRSOMCA SAVING PARAMETERS NOT SUPPORTED
3Ah 00h DTL WRSOM A MEDIUM NOT PRESENT
3Bh 00h TL SEQUENTIAL POSITIONING ERROR
3Bh 01h T TAPE POSITION ERROR AT BEGINNING-OF-MEDIUM
3Bh 02h T TAPE POSITION ERROR AT END-OF-MEDIUM
3Bh 03h L TAPE OR ELECTRONIC VERTICAL FORMS UNIT NOT READY
3Bh 04h L SLEW FAILURE
3Bh 05h L PAPER JAM
3Bh 06h L FAILED TO SENSE TOP-OF-FORM
3Bh 07h L FAILED TO SENSE BOTTOM-OF-FORM
3Bh 08h T REPOSITION ERROR
3Bh 09h S READ PAST END OF MEDIUM
3Bh 0Ah S READ PAST BEGINNING OF MEDIUM
3Bh 0Bh S POSITION PAST END OF MEDIUM
3Bh 0Ch S POSITION PAST BEGINNING OF MEDIUM
3Bh 0Dh *DT WR OM A* MEDIUM DESTINATION ELEMENT FULL
3Bh 0Eh *DT WR OM A* MEDIUM SOURCE ELEMENT EMPTY
3Ch 00h
3Dh 00h DTLPWRSOMCA INVALID BITS IN IDENTIFY MESSAGE
3Eh 00h DTLPWRSOMCA LOGICAL UNIT HAS NOT SELF-CONFIGURED YET
3Fh 00h DTLPWRSOMCA TARGET OPERATING CONDITIONS HAVE CHANGED
3Fh 01h DTLPWRSOMCA MICROCODE HAS BEEN CHANGED
3Fh 02h DTLPWRSOMCA CHANGED OPERATING DEFINITION
3Fh 03h DTLPWRSOMCA INQUIRY DATA HAS CHANGED
40h 00h D A RAM FAILURE (SHOULD USE 40 NN)
40h NNh DTLPWRSOMCA DIAGNOSTIC FAILURE ON COMPONENT NN (80H-FFH)
41h 00h D A DATA PATH FAILURE (SHOULD USE 40 NN)
42h 00h D A POWER-ON OR SELF-TEST FAILURE (SHOULD USE 40 NN)
43h 00h DTLPWRSOMCA MESSAGE ERROR
44h 00h DTLPWRSOMCA INTERNAL TARGET FAILURE
45h 00h DTLPWRSOMCA SELECT OR RESELECT FAILURE
46h 00h DTLPWRSOMCA UNSUCCESSFUL SOFT RESET
47h 00h DTLPWRSOMCA SCSI PARITY ERROR
48h 00h DTLPWRSOMCA INITIATOR DETECTED ERROR MESSAGE RECEIVED
49h 00h DTLPWRSOMCA INVALID MESSAGE ERROR
4Ah 00h DTLPWRSOMCA COMMAND PHASE ERROR
4Bh 00h DTLPWRSOMCA DATA PHASE ERROR
4Ch 00h DTLPWRSOMCA LOGICAL UNIT FAILED SELF-CONFIGURATION
4Dh NNh *DTLPWRSOMCA* TAGGED OVERLAPPED COMMANDS (NN = QUEUE TAG)
4Eh 00h DTLPWRSOMCA OVERLAPPED COMMANDS ATTEMPTED
4Fh 00h
50h 00h T WRITE APPEND ERROR
50h 01h T WRITE APPEND POSITION ERROR
50h 02h T POSITION ERROR RELATED TO TIMING
51h 00h T O ERASE FAILURE
52h 00h T CARTRIDGE FAULT
53h 00h DTL WRSOM A MEDIA LOAD OR EJECT FAILED
53h 01h T UNLOAD TAPE FAILURE
53h 02h DT WR OM A MEDIUM REMOVAL PREVENTED
54h 00h P SCSI TO HOST SYSTEM INTERFACE FAILURE
55h 00h P SYSTEM RESOURCE FAILURE
56h 00h
Page 6
57h 00h R UNABLE TO RECOVER TABLE-OF-CONTENTS
58h 00h O GENERATION DOES NOT EXIST
59h 00h O UPDATED BLOCK READ
5Ah 00h DTLPWRSOM A OPERATOR REQUEST OR STATE CHANGE INPUT (UNSPECIFIED)
5Ah 01h DT WR OM A OPERATOR MEDIUM REMOVAL REQUEST
5Ah 02h DT W O A OPERATOR SELECTED WRITE PROTECT
5Ah 03h DT W O A OPERATOR SELECTED WRITE PERMIT
5Bh 00h DTLPWRSOM A LOG EXCEPTION
5Bh 01h DTLPWRSOM A THRESHOLD CONDITION MET
5Bh 02h DTLPWRSOM A LOG COUNTER AT MAXIMUM
5Bh 03h DTLPWRSOM A LOG LIST CODES EXHAUSTED
5Ch 00h D O A RPL STATUS CHANGE
5Ch 01h D O A SPINDLES SYNCHRONIZED
5Ch 02h D O A SPINDLES NOT SYNCHRONIZED
5Dh 00h *DTLPWRSOMCA* FAILURE PREDICTION THRESHOLD EXCEEDED
5Eh 00h *DTLPWRSO CA* LOW POWER CONDITION ACTIVE
5Eh 01h *DTLPWRSO CA* IDLE CONDITION ACTIVATED BY TIMER
5Eh 02h *DTLPWRSO CA* STANDBY CONDITION ACTIVATED BY TIMER
5Eh 03h *DTLPWRSO CA* IDLE CONDITION ACTIVATED BY COMMAND
5Eh 04h *DTLPWRSO CA* STANDBY CONDITION ACTIVATED BY COMMAND
5Fh 00h
60h 00h S LAMP FAILURE
61h 00h S VIDEO ACQUISITION ERROR
61h 01h S UNABLE TO ACQUIRE VIDEO
61h 02h S OUT OF FOCUS
62h 00h S SCAN HEAD POSITIONING ERROR
63h 00h R END OF USER AREA ENCOUNTERED ON THIS TRACK
64h 00h R ILLEGAL MODE FOR THIS TRACK
65h 00h *DTLPWRSOMCA* VOLTAGE FAULT
66h 00h
67h 00h
68h 00h
69h 00h
6Ah 00h
6Bh 00h
6Ch 00h
6Dh 00h
6Eh 00h
6Fh 00h
70h NNh * T * DECOMPRESSION EXCEPTION SHORT ALGORITHM ID OF NN
71h 00h * T * DECOMPRESSION EXCEPTION LONG ALGORITHM ID
72h 00h
73h 00h
74h 00h
75h 00h
76h 00h
77h 00h
78h 00h
79h 00h
7Ah 00h
7Bh 00h
7Ch 00h
Page 7
7Dh 00h
7Eh 00h
7Fh 00h
80h XXh \
THROUGH > VENDOR SPECIFIC.
FFh XX /
XXh 80h \
THROUGH > VENDOR SPECIFIC QUALIFICATION OF STANDARD ASC.
XXh FFh /
ALL CODES NOT SHOWN ARE RESERVED.
(The following codes are currently in use in various RAID
controller implementations. These controllers are not based
on the SCC device model, but this functionality must be
covered by the final list of error codes.)
xxh xxh A REQUEST SENSE COMMAND TO DRIVE FAILED
xxh xxh A PREMATURE COMPLETION OF A DRIVE COMMAND
xxh xxh A DRIVE RETURNED VENDOR UNIQUE SENSE DATA
xxh xxh A COMMAND TIMEOUT
xxh xxh A BUS ERRORS
xxh xxh A NON-SCSI BUS PARITY ERROR
xxh xxh A NO COMMAND CONTROL STRUCTURES AVAILABLE
xxh xxh A NONVOLATILE PARAMETER MEMORY COMPONENT
EVENT REPORT
xxh xxh A WATCHDOG TIMER TIMOUT
xxh xxh A DISCONNECT TIMEOUT
xxh xxh A BACKUP BATTERY FAILURE EVENT REPORT
xxh xxh A CHIP COMMAND TIMEOUT
xxh xxh A UNEXPECTED BUS PHASE
xxh xxh A MESSAGE REJECT RECEIVED ON A VALID MESSAGE
xxh xxh A BYTE TRANSFER TIMEOUT
xxh xxh A COMMAND FAILED--SCSI ID VERIFICATION FAILED
xxh xxh A DATA TRANSFER REQUEST ERROR
xxh xxh A ID MESSAGE NOT SENT
xxh xxh A DATA RETURNED FROM DRIVE IS INVALID
xxh xxh A SYNCHRONOUS NEGOTIATION ERROR
xxh xxh A MAXIMUM NUMBER OF ERRORS FOR
THIS i/o EXCEEDED
xxh xxh A DRIVE REPORTED RECOVERED ERROR WITHOUT
TRANSFERRING ALL DATA
xxh xxh A UNEXPECTED DISCONNECT
xxh xxh A UNEXPECTED MESSAGE
xxh xxh A UNEXPECTED TAG MESSAGE
xxh xxh A TEST UNIT READY OR READ CAPACITY
COMMAND FAILED
xxh xxh A DRIVE FAILED DUE TO A DEFERRED ERROR
Page 8
REPORTED BY DRIVE
xxh xxh A UNRECOVERED READ/WRITE ERROR
xxh xxh A NO RESPONSE FROM ONE OR MORE DRIVES
xxh xxh A NV MEMORY AND DRIVE METADATA INDICATE
CONFLICTING DRIVE CONFIGURATIONS
xxh xxh A SYNCHRONOUS TRANSFER VALUE DIFFERENCES
BETWEEN DRIVES
xxh xxh A LUN ALREADY EXISTS; CANNOT DO "ADD LUN"
FUNCTION
xxh xxh A LUN DOES NOT EXIST; CANNOT DO "REPLACE
LUN" FUNCTION
xxh xxh A DRIVE ALREADY EXISTS; CANNOT DO "ADD
DRIVE" FUNCTION
xxh xxh A DRIVE DOES NOT EXIST; CANNOT DO REQUESTED
FUNCTION FOR IT
xxh xxh A DRIVE CAN'T BE DELETED; IT'S PART OF A LUN
xxh xxh A DRIVE CAN'T BE FAILED; IT'S FORMATTING
xxh xxh A DRIVE CAN'T BE REPLACED; IT'S NOT MARKED AS
FAILED OR REPLACED
xxh xxh A INVALID ACTION TO TAKE
xxh xxh A NO DISKS DEFINED FOR LUN
xxh xxh A DISK DEFINED MULTIPLE TIMES FOR LUN
xxh xxh A DRIVE CANNOT BE INCLUDED IN RANK BECAUSE
RANK IS FULL
xxh xxh A RANKS HAVE DIFFERENT NUMBER OF DISKS DEFINED
xxh xxh A MULTIPLE DISKS ON SAME CHANNEL WITHIN
SAME RANK
xxh xxh A MIRRORED DISKS ON THE SAME CHANNEL
xxh xxh A NO PARITY DISK DEFINED
xxh xxh A NO DATA DISKS DEFINED
xxh xxh A TOO MANY DISKS DEFINED
xxh xxh A NO SPACE AVAILABLE FOR LUN
xxh xxh A DRIVE STATUS CANNOT BE CHANGED TO GOOD
xxh xxh A ERROR IN PROCESSING A SUBSYSTEM MODE PAGE
xxh xxh A DRIVE INQUIRY DATA MISMATCH BETWEEN DRIVES
IN THE LUN
xxh xxh A DRIVE CAPACITY MISMATCH BETWEEN DRIVES
IN THE LUN
xxh xxh A DRIVE BLOCK SIZE MISMATCH BETWEEN DRIVES
IN THE LUN
xxh xxh A REBUILD IN PROGRESS
xxh xxh A RECALCULATION IN PROGRESS
xxh xxh A SPARE NOT AVAILABLE
xxh xxh A CHECK DATA ERROR
xxh xxh A INVALID BIT SPECIFIED
xxh xxh A TEXT STRING OVERFLOW
xxh xxh A STATE CHANGE HAS OCCURRED
xxh xxh A INFORMATIONAL, REFER TO LOG TO FIND CAUSE OF
STATE CHANGE
xxh xxh A INTERVENTION REQUIRED
Page 9
xxh xxh A SDA AVAILABLE
xxh xxh A REDUNDANCY LEVEL GOT BETTER
xxh xxh A REDUNDANCY LEVEL GOT WORSE
xxh xxh A DRIVE FAILED BECAUSE OF A FAILED WRITE
OPERATION (REPLACE DRIVE NOW)
xxh xxh A DRIVE FAILED BECAUSE AUTOMATIC REALLOCATION
FAILED
xxh xxh A DRIVE FAILED BECAUSE RECONSTRUCTION FAILED
ON DRIVE BEING RECONSTRUCTED
xxh xxh A DRIVE FAILED BECAUSE RECONSTRUCTION FAILED
BECAUSE OF READ ERROR ON SOURCE DRIVE
xxh xxh A DRIVE FAILED DUE TO HARDWARE COMPONENT
DIAGNOSTICS FAILURE
xxh xxh A DRIVE FAILED BECAUSE IT FAILED A tEST uNIT
READY COMMAND OR READ CAPACITY COMMAND
OR DURING FORMAT OR RECONSTRUCTION
OPERATION
xxh xxh A DRIVE FAILED BECAUSE IT FAILED A fORMAT
UNIT COMMAND
xxh xxh A DRIVE FAILED BECAUSE OF A DEFERRED ERROR
REPORTED BY DRIVE
xxh xxh A EXCESSIVE MEDIA ERROR RATE
xxh xxh A EXCESSIVE sEEK ERROR RATE
xxh xxh A EXCESSIVE GROWN DEFECTS
xxh xxh A NO RESPONSE FROM ONE OR MORE DRIVES
xxh xxh A ROM CODE INDICATES NO DRIVE IS PRESENT
ALTHOUGH INFORMATION STORED ON DISKS
INDICATES DRIVE SHOULD BE PRESENT
xxh xxh A MODE PARAMETERS FOR DRIVES IN LUN
DON'T MATCH
xxh xxh A WRONG DRIVE WAS REPLACED
xxh xxh A COMPONENT FAILURE AFFECTING MULTIPLE
CHANNELS
xxh xxh A RESERVATION CONFLICT
xxh xxh A OPERATION NOT ALLOWED DURING RECONSTRUCTION
xxh xxh A NON-FAILED DRIVE WAS UNAVAILABLE
FOR OPERATIONS
xxh xxh A DRIVE NOT RETURNING REQUIRED MODE SENSE PAGE
xxh xxh A PARITY/DATA MISMATCH
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