[OmniOS-discuss] zpool degraded while smart sais disks are OK

[Richard Elling]

On Mar 21, 2014, at 9:48 AM, Tobias Oetiker <tobi at oetiker.ch> wrote:

> a zpool on one of our boxes has been degraded with several disks
> faulted ...
> 
> * the disks are all sas direct attached
> * according to smartctl the offending disks have no faults.
> * zfs decided to fault the disks after the events below.
> 
> I have now told the pool to clear the errors and it is resilvering the disks ... (in progress)
> 
> any idea what is happening here ?
> 
> Mar  2 22:21:51 foo scsi: [ID 243001 kern.warning] WARNING: /pci at 0,0/pci8086,3c04 at 2/pci1000,3020 at 0 (mpt_sas0):
> Mar  2 22:21:51 foo         mptsas_handle_event_sync: IOCStatus=0x8000, IOCLogInfo=0x31170000
> Mar  2 22:21:51 foo scsi: [ID 243001 kern.warning] WARNING: /pci at 0,0/pci8086,3c04 at 2/pci1000,3020 at 0 (mpt_sas0):
> Mar  2 22:21:51 foo         mptsas_handle_event: IOCStatus=0x8000, IOCLogInfo=0x31170000
> Mar  2 22:21:51 foo scsi: [ID 365881 kern.info] /pci at 0,0/pci8086,3c04 at 2/pci1000,3020 at 0 (mpt_sas0):
> Mar  2 22:21:51 foo         Log info 0x31170000 received for target 11.
> Mar  2 22:21:51 foo         scsi_status=0x0, ioc_status=0x804b, scsi_state=0xc
> Mar  2 22:21:51 foo scsi: [ID 365881 kern.info] /pci at 0,0/pci8086,3c04 at 2/pci1000,3020 at 0 (mpt_sas0):
> Mar  2 22:21:51 foo         Log info 0x31170000 received for target 11.
> Mar  2 22:21:51 foo         scsi_status=0x0, ioc_status=0x804b, scsi_state=0xc

These are command aborted reports from the target device. You will see these every 60 seconds if the disk
is not responding and the subsequent reset of the disk aborts the commands that are not responding.
 -- richard

> 
> 
> Mar  5 02:20:53 foo scsi: [ID 243001 kern.warning] WARNING: /pci at 0,0/pci8086,3c06 at 2,2/pci1000,3020 at 0 (mpt_sas1):
> Mar  5 02:20:53 foo         mptsas_handle_event_sync: IOCStatus=0x8000, IOCLogInfo=0x31170000
> Mar  5 02:20:53 foo scsi: [ID 243001 kern.warning] WARNING: /pci at 0,0/pci8086,3c06 at 2,2/pci1000,3020 at 0 (mpt_sas1):
> Mar  5 02:20:53 foo         mptsas_handle_event: IOCStatus=0x8000, IOCLogInfo=0x31170000
> Mar  5 02:20:53 foo scsi: [ID 365881 kern.info] /pci at 0,0/pci8086,3c06 at 2,2/pci1000,3020 at 0 (mpt_sas1):
> Mar  5 02:20:53 foo         Log info 0x31170000 received for target 10.
> Mar  5 02:20:53 foo         scsi_status=0x0, ioc_status=0x804b, scsi_state=0xc
> Mar  5 02:20:53 foo scsi: [ID 365881 kern.info] /pci at 0,0/pci8086,3c06 at 2,2/pci1000,3020 at 0 (mpt_sas1):
> Mar  5 02:20:53 foo         Log info 0x31170000 received for target 10.
> Mar  5 02:20:53 foo         scsi_status=0x0, ioc_status=0x804b, scsi_state=0xc
> 
> -- 
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
> *** We are hiring IT staff: www.oetiker.ch/jobs ***
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--

Richard.Elling at RichardElling.com
+1-760-896-4422



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