ZFS hang

[Edward Tomasz Napierała]

Wiadomość napisana przez Matt Burke w dniu 7 gru 2012, o godz. 13:15:
> After rebooting the box, I've just seen this on the console (after 'Setting
> hostid'):
> 
> (da8:isci0:0:0:0): READ(10). CDB: 28 0 4 21 53 8 0 1 0 0
> (da8:isci0:0:0:0): CAM status: SCSI Status Error
> (da8:isci0:0:0:0): SCSI status: Check Condition
> (da8:isci0:0:0:0): SCSI sense: MEDIUM ERROR asc:ffffffff,ffffffff (Reserved
> ASC/ASCQ pair)

[..]

> I can understand the drive failing, I just can't understand how it hung the
> system. I have had a similar thing happen on one of these machines before
> (with GENERIC and no dumpdev, so no debugging) with one of these disks on
> an Areca HBA.

Could you try to change the "failmode" zpool property (zpool set failmode=continue")
and see if it helps?  I seem to remember the default behaviour for ZFS is to wait
for a miracle to happen instead of returning Input/Output Error to the application.

-- 
If you cut off my head, what would I say?  Me and my head, or me and my body?