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Question about STM error logs

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Question about STM error logs

I have some 9GB drives that have (Total Retries Errors) in STM information tool log. My question is how important is this error and should I replace these drives? Here is an example of one of the logs.

Hardware path: 1/0/10/0/0.2.0

Product Id: DMVS09D Vendor: IBM
Device Type: SCSI Disk Firmware Rev: HP08
Device Qualifier: IBMDMVS09D Logical Unit: 0
Serial Number: F806DE3C75
Capacity (M Byte): 8683.16
Block Size: 512
Max Block Address: 17783111
Error Logs
Total Retries: 23 Buffer Overruns: N/A
Read Reverse Errors:N/A Buffer Underruns: N/A
Write Errors: 0 Non-Medium Errors: 6
Verify Errors: 0
4 REPLIES
Johnson Punniyalingam
Honored Contributor

Re: Question about STM error logs

>>>My question is how important is this error and should I replace these drives? Here is an example of one of the logs.<<<<<

It would better if you "check" disk "Good" by using "dd" command


pls use below commands as example
********************************

#diskinfo /dev/rdsk/cxtxdx



# dd if=/dev/dsk/cxtxdx of=/dev/null bs=128k

it will take a while

# dd if=/dev/dsk/cxtxdx of=/dev/null bs=128k
560057+1 records in
560057+1 records out

if you can dd a ioscan , diskinfo and dd a drive normally than there is no hardware problem
Problems are common to all, but attitude makes the difference
Pete Randall
Outstanding Contributor
Solution

Re: Question about STM error logs

I'm guessing but I would think that retries might be when the device was busy. You have no read errors, no write errors and no verify errors so I would say "Don't worry about it". Maybe keep an eye on it but I certainly wouldn't replace based on that.


Pete

Pete

Re: Question about STM error logs


root@PartZero:/> diskinfo /dev/rdsk/c12t9d0
SCSI describe of /dev/rdsk/c12t9d0:
vendor: IBM
product id: DMVS09D
type: direct access
size: 8891556 Kbytes
bytes per sector: 512

root@PartZero:/> dd if=/dev/dsk/c12t9d0 of=/dev/null bs=128k
69465+1 records in
69465+1 records out
Johnson Punniyalingam
Honored Contributor

Re: Question about STM error logs

Disk Good, no need to worry. :)

If satisfied with answers, please assign points


Problems are common to all, but attitude makes the difference