[OmniOS-discuss] Hung ZFS Pool
Brian Hechinger
wonko at 4amlunch.net
Wed Dec 9 15:23:50 UTC 2015
Just did a ‘zpool clear’ on that pool and now I see:
errors: Permanent errors have been detected in the following files:
<metadata>:<0x59>
> On Dec 9, 2015, at 10:16 AM, Dan McDonald <danmcd at omniti.com> wrote:
>
>
>> On Dec 9, 2015, at 8:14 AM, Brian Hechinger <wonko at 4amlunch.net> wrote:
>>
>> So read access appears to be ok. Writes are totally boned, however. That touch just hangs forever.
>>
>> So what do I need to do to provide you all with the information you need to diagnose this.
>
> Do you literally have a touch process hanging right now? Or is it something you can ^C out of?
>
> Does anything stand out in /var/adm/messages? Maybe the kernel is complaining about something there.
>
> My final inclination is heavy-handed:
>
> - Make sure you have at least one process stuck on writing to that filesystem.
>
> - "reboot -d" and take a kernel coredump
>
> Unless you have sensitive information, a kernel coredump you can share would be the best thing to do.
>
>
> Dan
>
> p.s. I'm at the Dr. the rest of the day starting in 90 mins, pardon any latency.
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