ZFS-8000-8A: assistance needed
Ruslan Makhmatkhanov
rm at FreeBSD.org
Thu Sep 8 12:37:14 UTC 2016
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
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