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On customer's V7000, a disk drive reported transient errors "Drive medium error" (ErrorCode=1321) for several day, and finally turned to offline.Before turned to offline, disk I/O delayed, so customer's application got error and end user couldn't use application for 18 minutes.
After the drive was offline, while RAID reconfigured, customer's application didn't got errors.
<Error history>
* below errors occured on same drive
10/11 ErrorCode=1321 : Drive medium error
10/13 ErrorCode=1321 : Drive medium error
10/16 ErrorCode=1321 : Drive medium error
10/18 ErrorCode=1321 : Drive medium error
(application got errors)
10/18 ErrorCode=1685 : Drive offline due to excessive errors << drive was offline and RAID reconfiguration started
If disk drive turned offline earlier, customer's application didn't got errors because of I/O delay.
So customer would like to change "threshold" when to turn drive offline which issued transient error.
We know the threshold logic is not opened, so we need not know the correct logic, but would like to control the time to turn drive offline.
Idea priority | Urgent |
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Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - Storage
Product - IBM Storwize V7000, V5000 and V3000
For recording keeping, the previous attributes were:
Brand - Tivoli
Product family - Storage
Product - IBM Storwize V7000, V5000 and V3000