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Old 04-24-2008
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errpt disk error message

Hi All,
Hope you can help me figure out this problem that I have with one of our servers. I get disk errors but I cannot explain the reason why it is happening. Below is the error: Thanks in advance.

IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
B6267342 0424100608 P H hdisk10 DISK OPERATION ERROR
B6267342 0424100608 P H hdisk10 DISK OPERATION ERROR
C62E1EB7 0424100608 P H hdisk10 DISK OPERATION ERROR
B6267342 0424100608 P H hdisk10 DISK OPERATION ERROR
B8FBD189 0424100608 T S fscsi0 SOFTWARE PROGRAM ERROR
B8FBD189 0424100608 T S fscsi0 SOFTWARE PROGRAM ERROR
E142C6D4 0424100608 T H sysplanar0 EEH temporary error for adapter
B8FBD189 0424100608 T S fscsi0 SOFTWARE PROGRAM ERROR
3074FEB7 0424100608 T H fscsi0 ADAPTER ERROR
3074FEB7 0424100508 T H fscsi0 ADAPTER ERROR
A63BEB70 0423102408 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED
A63BEB70 0423102408 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED
E87EF1BE 0422150008 P O dumpcheck The largest dump device is too small.
E87EF1BE 0421150008 P O dumpcheck The largest dump device is too small.
E87EF1BE 0420150008 P O dumpcheck The largest dump device is too small.
B6267342 0420010808 P H hdisk1 DISK OPERATION ERROR
B6267342 0420010808 P H hdisk4 DISK OPERATION ERROR
B6267342 0420010808 P H hdisk5 DISK OPERATION ERROR
B6267342 0420010808 P H hdisk0 DISK OPERATION ERROR
A6DF45AA 0420010808 I O RMCdaemon The daemon is started.
2BFA76F6 0420010408 T S SYSPROC SYSTEM SHUTDOWN BY USER
9DBCFDEE 0420010708 T O errdemon ERROR LOGGING TURNED ON

Best regards,
Sodapop
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Old 04-24-2008
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Location: In the leftmost byte of /dev/kmem
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What sort of disk is hdisk10?

If it is a SCSI or SSA disk it might be that the disk is nearing the end of its lifetime. When AIX formats a disk it puts aside some of the blocks for error correction. Once a disk block becomes unreadable ("bad block") its contents are being swapped to one of the spare blocks and in errpt you see that reflected by a "hdisk temp error" (i think it is "hdisk error 3"). When all the spare blocks are used the disk will start to have unrecoverable read errors, which will be documented in the errpt with a "hdisk error 4".

Post here the output of "errpt -a | head -50" to let us examine the details.

I hope this helps.

bakunin
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Old 04-24-2008
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hi bakunin,
Thanks for the fast reply. Here are more infos that I have gathered. Many thanks.

best regards,
sodapop

[/root]lspv
hdisk2 000a2f726d7e1dd0 rootvg active
hdisk3 000a2f729a1b8c8e rootvg active
hdisk7 none None
hdisk8 none None
hdisk9 none None
hdiskpower1 000a2f72887c7d31 datavg active
hdisk0 none None
hdisk1 none None
hdisk4 none None
hdisk5 none None
hdisk10 none None

[/root]lspv hdisk10
0516-304 : Unable to find device id hdisk10 in the Device
Configuration Database.

this error is all the same for hdisk7,8,9,0,1,4,5 & 10

here is the result of errpt -a | head -50

LABEL: EMCP_PATH_ALIVE
IDENTIFIER: C6E26F3B

Date/Time: Fri Apr 25 08:15:38 TAIST 2008
Sequence Number: 46034
Machine Id: 000A2F72D600
Node Id: MAXX1
Class: H
Type: INFO
Resource Name: hdisk7
Resource Class: disk
Resource Type: CLAR_FC_raid5
Location: U787B.001.DNW8357-P1-C3-T1-W5006016130202370-L1000000000000
VPD:
Manufacturer................DGC
Machine Type and Model......RAID 5
ROS Level and ID............0324
Serial Number...............CK200042500171
Device Specific.(SI)........CX3-2
Device Specific.(PQ)........00
Device Specific.(VS)........040000DA54CL
Device Specific.(UI)........6006016021701100948C45D4F1A9DC11
Device Specific.(FL)........0004
Device Specific.(Z0)........10
Device Specific.(Z1)........10

Description
BACK-UP PATH STATUS CHANGE

Probable Causes
DISK
SCSI ADAPTER
SCSI CABLE

Failure Causes
DISK
SCSI ADAPTER
CABLE LOOSE OR DEFECTIVE

Recommended Actions
PERFORM PROBLEM DETERMINATION ON SCSI TARGET DEVICE
PERFORM PROBLEM DETERMINATION ON HOST SCSI ADAPTER
REPLACE SCSI CABLE

Detail Data
RESOURCE NAME

---------------------------------------------------------------------------
LABEL: SC_DISK_ERR2

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Old 04-25-2008
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What does powerpath say?
Does powermt display paths or powermt display dev=all report any dead paths or errors?
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Old 04-25-2008
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Hi,

This was the output. It seems that the disk is alive. Kindly help diagnose please. Thanks so much.

[/root]powermt display dev=all
Pseudo name=hdiskpower1
CLARiiON ID=CK200042500171 [Maxx1]
Logical device ID=6006016021701100948C45D4F1A9DC11 [LUN 4]
state=alive; policy=CLAROpt; priority=0; queued-IOs=0
Owner: default=SP B, current=SP B
==============================================================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================================================
0 fscsi0 hdisk10 SP B0 active alive 0 0
0 fscsi0 hdisk7 SP A1 active alive 0 1
1 fscsi1 hdisk8 SP A0 active alive 0 0
1 fscsi1 hdisk9 SP B1 active alive 0 0
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