Linux RAID subsystem development
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From: keld@keldix.com
To: Tim White <weirdit@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Raid10 Reshape/Grow
Date: Fri, 12 Apr 2013 09:17:00 +0200	[thread overview]
Message-ID: <20130412071700.GA7613@www5.open-std.org> (raw)
In-Reply-To: <51676986.40303@gmail.com>

I have outlined strategies to grow raid10 earlier in earlier mails on this list.
I think it is doable. Why not try to implement it like that?

Best regards
Keld

On Fri, Apr 12, 2013 at 11:55:18AM +1000, Tim White wrote:
> I recently watched Neil's LCA2013 video, and so was wondering if RAID10 
> reshape/grow is ever going to be implemented?
> 
> The way I see it, if we are adding pairs of disks to the RAID10 array 
> (not necessarily the same size as current disks, but the pair being the 
> same size), then we should be able to reshape to grow the RAID10.
> 
> From what I can see, the current options are to not use RAID10 if we 
> want to be able to expand later, or to use LVM over RAID1.
> 
> I'm obviously not expecting it to be in any distro's yet, but am just 
> wondering what the state of these features are. I have a mdadm git 
> checkout, and am willing to do testing to assist with this.
> 
> Thanks
> 
> Tim
> --
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  reply	other threads:[~2013-04-12  7:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-12  1:55 Raid10 Reshape/Grow Tim White
2013-04-12  7:17 ` keld [this message]
2013-04-12  8:42   ` keld
2013-04-12  9:06     ` NeilBrown

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