Date: Thu, 4 Oct 2012 22:24:22 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: freebsd-fs@freebsd.org Subject: Re: zpool scrub on pool from geli devices offlines the pool? Message-ID: <20121004222422.68d176ec@fabiankeil.de> In-Reply-To: <5A5FE35F-7D68-4E83-A88D-3002B51F2E00@gmail.com> References: <5A5FE35F-7D68-4E83-A88D-3002B51F2E00@gmail.com>
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[-- Attachment #1 --] Nikolay Denev <ndenev@gmail.com> wrote: > I have a zfs pool from 24 disks encrypted with geli. > > I just did a zpool scrub tank, and that probably reopened all of the devices, > but this caused geli "detach on last close" to kick in > which resulted in offline pool from UNAVAILABLE devices. This is a known issue: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/117158 The fact that the system didn't panic seems like an improvement, although this might be the result of the different pool layout. > pool: tank > state: UNAVAIL > status: One or more devices are faulted in response to IO failures. > action: Make sure the affected devices are connected, then run 'zpool clear'. > see: http://illumos.org/msg/ZFS-8000-HC > scan: scrub in progress since Thu Oct 4 21:19:15 2012 > 1 scanned out of 8.29T at 1/s, (scan is slow, no estimated time) > 0 repaired, 0.00% done > config: > > NAME STATE READ WRITE CKSUM > tank UNAVAIL 0 0 0 [...] > > errors: 1 data errors, use '-v' for a list > > Dmesg shows : > > GEOM_ELI: Detached mfid1.eli on last close. > … > GEOM_ELI: Detached mfid24.eli on last close. > > I then did /etc/rc.d/geli restart and zpool clear tank, and it is back online, > but shows permanent metadata errors… I'd expect the "permanent" metadata errors to be gone after the scrubbing is completed. > Any ideas why this happned from a simple zpool scrub, and how it can be prevented? > Just disable "detach on last close" for the geli devices? At least that was Pawel's recommendation in 2007: http://lists.freebsd.org/pipermail/freebsd-current/2007-October/078107.html Fabian [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlBt8HkACgkQBYqIVf93VJ2o/gCggQ3hKU4zXUoA7D+K3HOwzqzv tBoAn01iVH146hTIljOdnlDK216bfvKm =mtka -----END PGP SIGNATURE-----
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