[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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