From: Neil Brown <neilb@suse.de>
To: Carlos Carvalho <carlos@fisica.ufpr.br>
Cc: linux-raid@vger.kernel.org
Subject: Re: array doesn't run even with --force
Date: Mon, 21 Jan 2008 12:13:40 +1100 [thread overview]
Message-ID: <18323.61892.577574.287408@notabene.brown> (raw)
In-Reply-To: message from Carlos Carvalho on Sunday January 20
On Sunday January 20, carlos@fisica.ufpr.br wrote:
> I've got a raid5 array with 5 disks where 2 failed. The failures are
> occasional and only on a few sectors so I tried to assemble it with 4
> disks anyway:
>
> # mdadm -A -f -R /dev/md<number> /dev/disk1 /dev/disk2 /dev/disk3 /dev/disk4
>
> However mdadm complains that one of the disks has an out-of-date
> superblock and kicks it out, and then it cannot run the array with
> only 3 disks.
>
> Shouldn't it adjust the superblock and assemble-run it anyway? That's
> what -f is for, no? This is with kernel 2.6.22.16 and mdadm 2.6.4.
Please provide actual commands and actual output.
Also add "--verbose" to the assemble command
Also provide "--examine" for all devices.
Also provide any kernel log messages.
Thanks,
NeilBrown
next prev parent reply other threads:[~2008-01-21 1:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-20 22:52 array doesn't run even with --force Carlos Carvalho
2008-01-21 1:13 ` Neil Brown [this message]
2008-01-21 2:53 ` Carlos Carvalho
2008-01-21 3:09 ` Neil Brown
2008-01-21 3:27 ` Carlos Carvalho
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