Date: Thu, 8 Sep 2016 15:35:50 +0300 From: Ruslan Makhmatkhanov <rm@FreeBSD.org> To: Gary Palmer <gpalmer@freebsd.org>, Ruslan Makhmatkhanov <rm@FreeBSD.org> Cc: Maurizio Vairani <maurizio.vairani@cloverinformatica.it>, freebsd-fs@freebsd.org Subject: Re: ZFS-8000-8A: assistance needed Message-ID: <75465e13-7992-4172-ab40-51b2e462a400@FreeBSD.org> In-Reply-To: <20160908121617.GA42278@in-addr.com> References: <c6e3d35a-d554-a809-4959-ee858c38aca7@FreeBSD.org> <b9edb1ae-b59a-aefc-f547-1fb69e79f0f7@cloverinformatica.it> <11f2a660-304d-4a50-bab8-ec2a2737b3a4@FreeBSD.org> <20160908121617.GA42278@in-addr.com>
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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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