Date: Tue, 27 Jul 2010 20:22:59 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-fs@FreeBSD.org Subject: Re: strange zfs pool status/error Message-ID: <4C4F15F3.5070508@icyb.net.ua> In-Reply-To: <4C4EF8A4.1060603@icyb.net.ua> References: <4C4EF8A4.1060603@icyb.net.ua>
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on 27/07/2010 18:17 Andriy Gapon said the following: > $ zpool status -v > pool: pond > state: ONLINE > status: One or more devices has experienced an error resulting in data > corruption. Applications may be affected. > action: Restore the file in question if possible. Otherwise restore the > entire pool from backup. > see: http://www.sun.com/msg/ZFS-8000-8A > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > pond ONLINE 0 0 0 > mirror ONLINE 0 0 0 > gptid/fcf3558b-493b-11de-a8b9-001cc08221ff ONLINE 0 0 0 > gptid/48782c6e-8fbd-11de-b3e1-00241d20d446 ONLINE 0 0 0 > > errors: Permanent errors have been detected in the following files: > > /usr/src/cscope.out zpool scrub cleared the error. I am relieved, but still not a nice incident. > I don't see any errors or suspicious messages in any logs. > The file in question is perfectly readable (produces stable md5 checksum without > any errors) and apparently is not too (or at all) corrupt - cscope still works > fine with it. > All vdevs are online and there are no vdev errors. > > So what does all this mean and how it can happen? > In other words, why/how did ZFS decide that that file is corrupted? > -- Andriy Gapon
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