Hi,
I'd appreciate if anyone can point me how to identify poor performing disks
that might have dragged down performance of the pool. Also the system logged
following error about one of the drives. Does it show the disk was having
problem?
Aug 17 13:45:56 zfs1.domain.com scsi: [ID 107833 kern.warning] WARNING:
/p...@0,0/pci8086,2...@6/pci1000,3...@0 (mpt1):
Aug 17 13:45:56 zfs1.domain.com Disconnected command timeout for Target 10
Aug 17 13:45:56 zfs1.domain.com scsi: [ID 365881 kern.info]
/p...@0,0/pci8086,2...@6/pci1000,3...@0 (mpt1):
Aug 17 13:45:56 zfs1.domain.com Log info 31140000 received for target 10.
Aug 17 13:45:56 zfs1.domain.com scsi_status=0, ioc_status=8048, scsi_state=c
Aug 17 13:45:56 zfs1.domain.com scsi: [ID 107833 kern.warning] WARNING:
/p...@0,0/pci8086,2...@6/pci1000,3...@0/s...@a,0 (sd15):
Aug 17 13:45:56 zfs1.domain.com SCSI transport failed: reason 'reset':
retrying command
Aug 17 13:45:59 zfs1.domain.com scsi: [ID 107833 kern.warning] WARNING:
/p...@0,0/pci8086,2...@6/pci1000,3...@0/s...@a,0 (sd15):
Aug 17 13:45:59 zfs1.domain.com Error for Command: read(10)
Error Level: Retryable
Aug 17 13:45:59 zfs1.domain.com scsi: [ID 107833 kern.notice] Requested
Block: 715872929 Error Block: 715872929
Aug 17 13:45:59 zfs1.domain.com scsi: [ID 107833 kern.notice] Vendor: ATA
Serial Number: WD-WCAP
Aug 17 13:45:59 zfs1.domain.com scsi: [ID 107833 kern.notice] Sense Key:
Unit Attention
Aug 17 13:45:59 zfs1.domain.com scsi: [ID 107833 kern.notice] ASC: 0x29
(power on, reset, or bus reset occurred), ASCQ: 0x0, FRU: 0x0
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