From: "Jérôme Poulin" <jeromepoulin@gmail.com>
To: Alex <mysqlstudent@gmail.com>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: Converting RAID1 to RAID5
Date: Thu, 15 Sep 2011 22:54:12 -0400 [thread overview]
Message-ID: <4529807989974810517@unknownmsgid> (raw)
In-Reply-To: <27910711.10376.1316131253095.JavaMail.mobile-sync@iagt29>
On 2011-09-15, at 19:50, Alex <mysqlstudent@gmail.com> wrote:
> When I try to grow the other two partitions (/ and /home), it fails
> with device busy:
>
> # mdadm --grow /dev/md2 --level=5 --raid-devices=3
> mdadm: level of /dev/md2 changed to raid5
> mdadm: Need to backup 128K of critical section..
> mdadm: Cannot set device shape for /dev/md2: Device or resource busy
> Bitmap must be removed before shape can be changed
> mdadm: aborting level change
>
You must remove the bitmap first as told using mdadm --grow --bitmap=none
>
> When the conversion to RAID5 is complete, how can I regenerate the
> mdadm.conf to properly reflect the change?
>
The output of mdadm -Es might be enough for you.
prev parent reply other threads:[~2011-09-16 2:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-11 3:38 Converting RAID1 to RAID5 Alex
2011-09-11 3:57 ` NeilBrown
2011-09-11 15:40 ` Alex
2011-09-15 23:50 ` Alex
2011-09-16 3:57 ` NeilBrown
2011-09-16 13:56 ` Alex
2011-09-16 15:10 ` Robin Hill
[not found] ` <27910711.10376.1316131253095.JavaMail.mobile-sync@iagt29>
2011-09-16 2:54 ` Jérôme Poulin [this message]
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