[OpenIndiana-discuss] zpool in sorry state

Roy Sigurd Karlsbakk roy at karlsbakk.net
Tue Jul 12 19:54:41 UTC 2011


And by the way, the IR firmware is the 'raid' firmware, supporting mirrors. Better use the IT firmware for ZFS

roy

----- Original Message -----
> It's an LSI2008-IR. Same thing or different? It's a SAS controller, no
> RAID.
> 
> On Sat, Jul 9, 2011 at 3:21 PM, Roy Sigurd Karlsbakk
> <roy at karlsbakk.net>wrote:
> 
> > It wouldn't be an LSI 3801/3081 board by any chance? I've seen some
> > rather
> > bad issues like this with those boards
> >
> > roy
> >
> > ----- Original Message -----
> > > Indeed, right now zpool status -v is reporting only 1
> > > unrecoverable
> > > error.
> > > However, other LUNs aren't recognized by VMWare as VMFS volumes
> > > anymore.
> > >
> > > The server does have ECC memory, and an LSI SAS controller (no
> > > RAID,
> > > ZFS
> > > handles everything). We've had this in production for about 4
> > > months
> > > without issue until yesterday. I agree about mirror-8; I'm
> > > concerned
> > > it may
> > > also have problems. I did online one drive in mirror-3. The other
> > > drive,
> > > wouldn't online.
> > >
> > > At this point I want to get the two replacement drives I have
> > > installed,
> > > which goes back to one of my questions: what's the best method for
> > > replacement with hot spare already in place? I've seen other
> > > articles/posts
> > > about simply using zpool detach pool_name failed_device, but I
> > > want to
> > > make
> > > sure I get that part right and don't cause further problems. Once
> > > I
> > > know
> > > those are in place, I'm going to run a full scrub in the evening.
> > >
> > > Thanks,
> > > Eric Pierce
> > >
> > > On Fri, Jul 8, 2011 at 9:27 AM, Lucas Van Tol
> > > <catseyev9 at hotmail.com>
> > > wrote:
> > >
> > > >
> > > > I think the re silver should have looked at all the data and
> > > > given
> > > > you the
> > > > entire list of bad data, but I'm not entirely sure if re silvers
> > > > look
> > > > outside of the vdev they are fixing.
> > > > A scrub would look at all the data and verify it.
> > > >
> > > > I note that your drives are out due to too many errors.
> > > > Normally, I would say just replace them, but since you lost so
> > > > many
> > > > at
> > > > once; it may be worth trying to force the drives online.
> > > > I don't know how that will interact with the spares, but if the
> > > > original
> > > > drives can be brought online and a scrub run; one of the two
> > > > drives
> > > > may
> > > > still have the missing data; after which a scrub may recover it.
> > > > It would be a problem if the spare detached itself though, and
> > > > I'm
> > > > not sure
> > > > how spares behave in such situations.
> > > >
> > > >
> > > > Also; mirror 8 has more 'read' errors than I would trust.
> > > > I find it suspicious that there are an equal #'s of failures on
> > > > disks in
> > > > that vdev.
> > > > Have you had any memory or disk controller issues on the system,
> > > > and
> > > > are
> > > > you using ECC memory?
> > > >
> > > >
> > > >
> > > > -Lucas Van Tol
> > > >
> > > >
> > > >
> > > _______________________________________________
> > > OpenIndiana-discuss mailing list
> > > OpenIndiana-discuss at openindiana.org
> > > http://openindiana.org/mailman/listinfo/openindiana-discuss
> >
> > --
> > Vennlige hilsener / Best regards
> >
> > roy
> > --
> > Roy Sigurd Karlsbakk
> > (+47) 97542685
> > roy at karlsbakk.net
> > http://blogg.karlsbakk.net/
> > --
> > I all pedagogikk er det essensielt at pensum presenteres
> > intelligibelt. Det
> > er et elementært imperativ for alle pedagoger å unngå eksessiv
> > anvendelse av
> > idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer
> > adekvate
> > og relevante synonymer på norsk.
> >
> > _______________________________________________
> > OpenIndiana-discuss mailing list
> > OpenIndiana-discuss at openindiana.org
> > http://openindiana.org/mailman/listinfo/openindiana-discuss
> >
> _______________________________________________
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-- 
Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 97542685
roy at karlsbakk.net
http://blogg.karlsbakk.net/
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk.



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