From: David Brown <david.brown@hesbynett.no>
To: NeilBrown <neilb@suse.de>
Cc: Raul Dias <raul@dias.com.br>,
Scott D'Vileskis <sdvileskis@gmail.com>,
"linux-raid@vger.kernel.org List" <linux-raid@vger.kernel.org>
Subject: Re: Replace RAID devices without resorting to degraded mode?
Date: Thu, 13 Mar 2014 10:27:08 +0100 [thread overview]
Message-ID: <532179EC.7070206@hesbynett.no> (raw)
In-Reply-To: <20140313101833.7fccbabe@notabene.brown>
On 13/03/14 00:18, NeilBrown wrote:
> On Wed, 12 Mar 2014 13:45:31 +0100 David Brown <david.brown@hesbynett.no>
> wrote:
>
>> So for raid1, you would add a new mirror device, making a 3-way mirror
>> instead of a 2-way one (I don't know off-hand if md raid allows this
>> re-shape).
>
> It sure does. raid1 can be 1-way, 2-way, 3-way, 4-way ..... and "mdadm
> --grow" can easily switch between them.
>
I thought that was the case, but I didn't want to promise anything
without checking.
Thanks,
David
next prev parent reply other threads:[~2014-03-13 9:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-11 17:36 Replace RAID devices without resorting to degraded mode? Scott D'Vileskis
2014-03-11 23:26 ` Adam Goryachev
2014-03-12 0:00 ` Scott D'Vileskis
2014-03-12 11:54 ` Mikael Abrahamsson
2014-03-12 9:12 ` David Brown
2014-03-12 12:23 ` Raul Dias
2014-03-12 12:45 ` David Brown
2014-03-12 23:18 ` NeilBrown
2014-03-13 9:27 ` David Brown [this message]
2014-03-12 15:38 ` Scott D'Vileskis
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