Date: Tue, 16 Aug 2011 17:22:23 +0100 From: Tim Bishop <tim@bishnet.net> To: freebsd-fs@freebsd.org Subject: Did zpool offline, then reboot, now "freebsd zfs i/o error - all block copies unavailable" Message-ID: <20110816162223.GG7564@carrick-users.bishnet.net>
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I suspected one of my disks (in a zpool mirror) had a problem, so I thought I'd test this out by offlining the disk and rebooting. Unfortunately this failed during the reboot with the following error: freebsd zfs i/o error - all block copies unavailable A search of the archive suggests people have hit this before, but not in the same circumstance (I think). I figured the pool being degraded might be the issue, so I booted from a livecd and detatched the offlined disk leaving the pool in a good state. Rebooted again but the same problem occured. I'm now back in the livecd reattaching the disk, but this'll take a long time (ETA 24h). Fingers crossed it works! Whilst I wait, does anybody have any ideas what went wrong? Tim. -- Tim Bishop http://www.bishnet.net/tim/ PGP Key: 0x5AE7D984
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