From: Eric Sandeen <sandeen@sandeen.net>
To: "Passerone, Daniele" <Daniele.Passerone@empa.ch>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: xfs data loss
Date: Thu, 27 Aug 2009 21:16:53 -0700 [thread overview]
Message-ID: <4A975A35.3060809@sandeen.net> (raw)
In-Reply-To: <B9A7B002C7FAFC469D4229539E909760308DA651DE@DU-EXC-MAIL.empa.emp-eaw.ch>
Passerone, Daniele wrote:
> Dear xfs developers
>
> We have a SUN X4500 with 48 500 GB drives, that we configured under SUSE SLES 10.
>
> Among others, we have 3 RAID5 xfs filesystems, /dev/md4 with 20 units (9.27 TB)
> /dev/md5 with 20 units (9.27 TB) and /dev/md6 with 5 units (1.95 TB)
>
> These units are not backed up.
>
> Due to a power shock, suddenly and without log messages about one half (5 TB) of the user
> directories on /dev/md4 have disappeared.
I presume you mean after a reboot?
> Upon reboot, /dev/md6 showed only 3 units, and after a xfs_repair it was again ok.
> /dev/md4 mounted immediately, but always with one half of the directories.
Were the lost directories recently created? I've never heard of
untouched, existing directories disappearing after a power loss...
> WHat can I do? Any help would be appreciated, I would really be happy to recover those files...
> :)
Not much to go on here I'm afraid. SLES10 is an old kernel, but it's
supported by SuSE at least.
-Eric
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next prev parent reply other threads:[~2009-08-28 4:16 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-27 7:22 xfs data loss Passerone, Daniele
2009-08-27 9:41 ` Christian Kujau
2009-08-27 9:47 ` Passerone, Daniele
2009-08-27 10:09 ` Christian Kujau
2009-08-27 9:54 ` Passerone, Daniele
2009-08-28 4:16 ` Eric Sandeen [this message]
2009-08-28 9:19 ` Passerone, Daniele
2009-08-28 17:17 ` Eric Sandeen
2009-08-28 19:42 ` Passerone, Daniele
2009-08-29 6:08 ` Passerone, Daniele
2009-08-29 7:45 ` Ralf Gross
2009-08-29 7:11 ` Passerone, Daniele
2009-08-29 20:03 ` Passerone, Daniele
2009-08-29 22:14 ` Michael Monnerie
2009-08-29 22:52 ` Passerone, Daniele
2009-08-30 1:24 ` Eric Sandeen
2009-08-30 8:17 ` Michael Monnerie
2009-09-01 12:45 ` Peter Grandi
2009-09-01 22:16 ` Michael Monnerie
2009-09-04 11:08 ` Andi Kleen
2009-08-29 14:08 ` Peter Grandi
-- strict thread matches above, loose matches on Subject: below --
2009-09-03 15:31 Passerone, Daniele
2009-09-05 18:29 ` Peter Grandi
[not found] ` <4AA3261E.1000005@sandeen.net>
2009-09-06 20:30 ` Peter Grandi
2009-09-04 11:45 Passerone, Daniele
2009-09-06 9:00 Passerone, Daniele
2009-09-06 9:30 ` Michael Monnerie
2009-09-06 21:00 ` Peter Grandi
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