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

[Zach Malone]

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?