From: Eric Sandeen <sandeen@sandeen.net>
To: kevin.dual@gmail.com
Cc: xfs@oss.sgi.com
Subject: Re: Power loss causes bad magic number??
Date: Sat, 07 Feb 2009 15:54:11 -0600 [thread overview]
Message-ID: <498E0303.5000204@sandeen.net> (raw)
In-Reply-To: <498DF8AD.3020903@sandeen.net>
Eric Sandeen wrote:
> Dunno how much damage could have been done, or if you can just try to
> fix the assembly perhaps...?
>
> -Eric
FWIW on a 3-disk raid5:
[root@inode tmp]# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : active raid5 loop3[2] loop2[1] loop1[0]
262016 blocks level 5, 4k chunk, algorithm 2 [3/3] [UUU]
unused devices: <none>
it's the 0th device which should have the superblock:
[root@inode tmp]# file -s /dev/loop[123]
/dev/loop1: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs)
/dev/loop2: data
/dev/loop3: data
whereas yours was the 1st (not 0th)
(I wasn't sure how mdstat showed the order so double checked...)
-Eric
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next prev parent reply other threads:[~2009-02-07 22:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 2:18 Power loss causes bad magic number?? Stephen Porter
2008-07-16 2:40 ` Eric Sandeen
2008-07-16 7:01 ` Stephen Porter
2008-07-16 7:35 ` Dave Chinner
2008-07-16 8:17 ` Stephen Porter
2008-07-16 16:00 ` Chris Wedgwood
2008-07-17 13:36 ` Russell Cattelan
2008-07-17 21:52 ` Stephen Porter
2008-07-18 11:17 ` Andi Kleen
2008-07-18 18:19 ` Peter Grandi
2009-02-07 20:46 ` kevin.dual
2009-02-07 21:10 ` Eric Sandeen
2009-02-07 21:54 ` Eric Sandeen [this message]
2009-02-08 6:10 ` Kevin Dual
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