From: Neil Brown <neilb@suse.de>
To: Shane W <shane-kernel@csy.ca>
Cc: linux-raid@vger.kernel.org
Subject: Re: Problem converting from raid5 to raid6
Date: Mon, 22 Mar 2010 17:20:06 +1100 [thread overview]
Message-ID: <20100322172006.7c737091@notabene.brown> (raw)
In-Reply-To: <20100321030107.GA18586@csy.ca>
On Sat, 20 Mar 2010 20:01:07 -0700
Shane W <shane-kernel@csy.ca> wrote:
> Hello all,
>
> I am trying to convert a 5 disk raid5 array to a 6 disk
> raid6 but am having no luck. I first added the 6th disk as
> a spare then
> mdadm --grow /dev/md3 --level 6
> mdadm level of /dev/md3 changed to raid6
> mdadm: /dev/md3: Something wrong - reshape aborted
> mdadm: aborting level change
>
> dmesg doesn't show an error and neither does mdadm beyond
> "something wrong". Is this supported?
>
> mdadm 3.1.1 Linux 2.6.32.8 x86_64.
>
That shouldn't happen.... How big is your array? How many devices?
Chunksize? etc.
Maybe just the output of
mdadm -D /dev/md3
would do.
NeilBrown
prev parent reply other threads:[~2010-03-22 6:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-21 3:01 Problem converting from raid5 to raid6 Shane W
2010-03-21 10:28 ` Michael Evans
2010-03-21 12:21 ` Kristleifur Daðason
2010-03-22 6:20 ` Neil Brown [this message]
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