ZFS-8000-8A: assistance needed

[Ruslan Makhmatkhanov]

Gary Palmer wrote on 09/08/2016 15:16:
> On Thu, Sep 08, 2016 at 02:46:04PM +0300, Ruslan Makhmatkhanov wrote:
>> Maurizio Vairani wrote on 09/08/2016 10:39:
>>> Hi Ruslan,
>>>
>>> Il 06/09/2016 22:00, Ruslan Makhmatkhanov ha scritto:
>>>>     NAME              STATE     READ WRITE CKSUM
>>>>     storage_ssd       ONLINE       0     0 59.3K
>>>>       mirror-0        ONLINE       0     0     0
>>>>         gpt/drive-06  ONLINE       0     0     0
>>>>         gpt/drive-07  ONLINE       0     0     9
>>>>       mirror-1        ONLINE       0     0  119K
>>>>         gpt/drive-08  ONLINE       0     0  119K
>>>>         gpt/drive-09  ONLINE       0     0  119K
>>>>     cache
>>>>       mfid5           ONLINE       0     0     0
>>>>       mfid6           ONLINE       0     0     0
>>>>
>
>> So, I'm interested how you detect that particular drives (with gpt
>> labels drive-07, drive-08 and drive-09) are failing?
>
> The CKSUM errors from the zpool status output.  They are
> indicative of underlying problems.  gpt/drive-07 has a low count
> so it's possibly not a major problem, but gpt/drive-08 and
> gpt/drive-09 both have a significant number.  I find it a bit
> curious that both drives in the mirror have similar number of
> errors.  Possibly indicating data pathing errors.

Ah, ok, thanks. I wasn't able to find meaning of CKSUM field description 
in zpool manpage, so didn't got it at the time. Not sure about data 
pathing errors though.

>
> I presume you are using ECC memory?

Yes, it's ECC.


-- 
Regards,
Ruslan

T.O.S. Of Reality