From: NeilBrown <neilb@suse.de>
To: "Lars Täuber" <taeuber@bbaw.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: migrating from metadata 0.9 to 1.0 before growing?
Date: Wed, 29 Feb 2012 12:29:06 +1100 [thread overview]
Message-ID: <20120229122906.76d08488@notabene.brown> (raw)
In-Reply-To: <20120224113821.c2b14f48bcf7e6809b2cd3a6@bbaw.de>
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On Fri, 24 Feb 2012 11:38:21 +0100 Lars Täuber <taeuber@bbaw.de> wrote:
> Hi there.
>
> I have a RAID6 using disks in an external SATA enclosure.
> Now I started to exchange the disks with others twice as big as the ones the
> RAID was originally created with.
> The RAID uses metadata version 0.9.
>
> Now I'm thinking about switching to format 1.0 this way:
>
> * exchange all disks with the bigger ones piece by piece
> (-f old -r old -a new)
> * wait for rebuild of last disk
> * recreate RAID with --assume-clean and --metadata 1.0 and the same disks in
> the correct order
>
> The --grow shouldn't be necessary this way.
> Then I grow the filesystem.
>
> Is this precedure possible without data loss?
> Or is there a way a metadata version migration could be done more easily?
Yes, this should work. There is no better way.
NeilBrown
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next prev parent reply other threads:[~2012-02-29 1:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-24 10:38 migrating from metadata 0.9 to 1.0 before growing? Lars Täuber
2012-02-28 16:36 ` Lars Täuber
2012-02-29 1:29 ` NeilBrown [this message]
2012-04-19 14:20 ` Lars Täuber
2012-04-19 21:25 ` NeilBrown
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