[OmniOS-discuss] Hung ZFS Pool

[Dan McDonald]

> On Dec 9, 2015, at 10:20 AM, Brian Hechinger <wonko at 4amlunch.net> wrote:
> 
> I cannot ^C out of the touch.
> 
> wonko at basket1:/export/home/wonko$ ps -ef | grep touch

You do know about pgrep(1), right?  :)

> Also, kill -9 doesn’t touch them.

Okay!  This means something in-kernel is locking them up.  More reason for a coredump.

> the only thing in messages is:
> 
> Dec  7 14:31:56 basket1 fmd: [ID 377184 daemon.error] SUNW-MSG-ID: ZFS-8000-HC, TYPE: Error, VER: 1, SEVERITY: Major
> Dec  7 14:31:56 basket1 EVENT-TIME: Mon Dec  7 14:31:56 EST 2015
> Dec  7 14:31:56 basket1 PLATFORM: X8DTL, CSN: 1234567890, HOSTNAME: basket1
> Dec  7 14:31:56 basket1 SOURCE: zfs-diagnosis, REV: 1.0
> Dec  7 14:31:56 basket1 EVENT-ID: 585f9fa2-4a84-4184-8c87-c2f9c600e1a1
> Dec  7 14:31:56 basket1 DESC: The ZFS pool has experienced currently unrecoverable I/O
> Dec  7 14:31:56 basket1             failures.  Refer to http://illumos.org/msg/ZFS-8000-HC for more information.
> Dec  7 14:31:56 basket1 AUTO-RESPONSE: No automated response will be taken.
> Dec  7 14:31:56 basket1 IMPACT: Read and write I/Os cannot be serviced.
> Dec  7 14:31:56 basket1 REC-ACTION: Make sure the affected devices are connected, then run
> Dec  7 14:31:56 basket1             'zpool clear’.

You sure there's nothing before the FMA complaints?  It might be one line, but it may be enough to show something.

> I can definitely share a kernel coredump, that’s not a problem. Just need to schedule a time to shut down all the VMs first.

Take your time, do it on your schedule, that's fine.

So I know where to put it:  Which OmniOS release are you running?

	head /etc/release ; uname -a

Thanks,
Dan