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2011 May 10
5
Tuning disk failure detection?
We recently had a disk fail on one of our whitebox (SuperMicro) ZFS
arrays (Solaris 10 U9).
The disk began throwing errors like this:
May 5 04:33:44 dev-zfs4 scsi: [ID 243001 kern.warning] WARNING: /pci at 0,0/pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
May 5 04:33:44 dev-zfs4 mptsas_handle_event_sync: IOCStatus=0x8000, IOCLogInfo=0x31110610
And errors for the drive were incrementing in iostat -En output.
Nothing was seen in fmdump.
Unfortu...