From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: Stefan Priebe <s.priebe@profihost.ag>
Cc: linux-raid@vger.kernel.org
Subject: Re: imsm raid is always readonly on boot
Date: Tue, 07 Feb 2012 18:45:49 +0100 [thread overview]
Message-ID: <4F31634D.4010403@redhat.com> (raw)
In-Reply-To: <4F316273.7030109@profihost.ag>
On 02/07/12 18:42, Stefan Priebe wrote:
> Hi Jes,
>
> Am 07.02.2012 17:09, schrieb Jes Sorensen:
>> /dev/md126 looks to be the container, not the actual raid device, from
>> what your mdadm.conf says.
>
> booted from a rescue CD using 2.6.32 kernel.
>
> ~# mdadm -D --scan
> ARRAY /dev/md/imsm0 metadata=imsm UUID=24cdb70d:101f4c4b:23dfa5cb:3f176b6a
> ARRAY /dev/md/RaidStefan_0 container=/dev/md/imsm0 member=0
> UUID=84aa9982:ed593d80:ee7c7f53:e2944038
>
> ~# cat /proc/mdstat
> Personalities : [raid1]
> md126 : active (auto-read-only) raid1 sda[1] sdb[0]
> 156288000 blocks super external:/md127/0 [2/2] [UU]
>
> md127 : inactive sdb[1](S) sda[0](S)
> 5544 blocks super external:imsm
>
> unused devices: <none>
>
> so md126 is the real raid.
>
>> What does your /proc/mdstat say?
>
> When booted from disk - output while in initramfs:
> ~# cat /proc/mdstat
> Personalities : [raid1]
> md126 : active (read-only) raid1 sda[1] sdb[0]
> 156288000 blocks super external:/md127/0 [2/2] [UU]
>
> md127 : inactive sdb[1](S) sda[0](S)
> 5544 blocks super external:imsm
Does it stay read-only if you try to write to it?
Jes
next prev parent reply other threads:[~2012-02-07 17:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-07 11:58 imsm raid is always readonly on boot Stefan Priebe - Profihost AG
2012-02-07 16:09 ` Jes Sorensen
2012-02-07 17:42 ` Stefan Priebe
2012-02-07 17:45 ` Jes Sorensen [this message]
2012-02-07 18:24 ` Stefan Priebe
2012-02-07 20:24 ` Jes Sorensen
2012-02-07 21:47 ` John Robinson
2012-02-08 1:57 ` NeilBrown
2012-02-08 8:30 ` Stefan Priebe - Profihost AG
2012-02-08 8:45 ` NeilBrown
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