From mboxrd@z Thu Jan 1 00:00:00 1970 From: keld@keldix.com Subject: Re: Raid10 Reshape/Grow Date: Fri, 12 Apr 2013 09:17:00 +0200 Message-ID: <20130412071700.GA7613@www5.open-std.org> References: <51676986.40303@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <51676986.40303@gmail.com> Sender: linux-raid-owner@vger.kernel.org To: Tim White Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html