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

[Tobias Oetiker]

Today Zach Malone wrote:

> On Fri, Mar 21, 2014 at 3:50 PM, Richard Elling
> <richard.elling at richardelling.com> wrote:
> >
> > 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 ?
>
> ...
>
> Did all the disks fault at the same time, or was it spread out over a
> longer period?  I'd suspect your power supply or disk controller.
> What are your zpool errors?

it happened over time as you can see from the timestamps in the
log. The errors from zfs's point of view were 1 read and about 30 write

but according to smart the disks are without flaw

cheers
tobi
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
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