From: NeilBrown <neilb@suse.de>
To: John Robinson <john.robinson@anonymous.org.uk>
Cc: Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: Cancel reshape?
Date: Wed, 12 Jan 2011 16:32:58 +1100 [thread overview]
Message-ID: <20110112163258.699a6fe0@notabene.brown> (raw)
In-Reply-To: <4D2D32DF.9010002@anonymous.org.uk>
On Wed, 12 Jan 2011 04:49:35 +0000 John Robinson
<john.robinson@anonymous.org.uk> wrote:
> On 12/01/2011 04:19, John Robinson wrote:
> [...]
> > Can I cancel reshape that's currently running, and using the backup file
> > that's actually on another (RAID-1) array on three of the same drives,
> > and running at ~7MB/s, and try again?
>
> Blast. I found this patch to add a revert-reshape option from archives
> of this list - http://www.spinics.net/lists/raid/msg30961.html - but
> it's not included in mdadm 3.1.4 and I'm running from a rescue CD so I
> can't rebuild mdadm with it. I think I might just have to wait a while.
>
That patch only works to revert a reshape that is increasing the number of
data-devices in the array.
> Perhaps I can stop the reshape and restart it with the backup file
> elsewhere. Hmm, I've an SSD I haven't installed yet... Maybe time to
> give it a wee workout :-)
That should work.
mdadm --stop ...
copy file
mdadm --assemble ...... --backup-file=/new/place
NeilBrown
>
> Cheers,
>
> John.
> --
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next prev parent reply other threads:[~2011-01-12 5:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 4:19 Cancel reshape? John Robinson
2011-01-12 4:49 ` NeilBrown
2011-01-12 4:49 ` John Robinson
2011-01-12 5:32 ` NeilBrown [this message]
2011-01-12 5:53 ` Speed up reshape? (was Re: Cancel reshape?) John Robinson
2011-01-12 6:02 ` NeilBrown
2011-01-13 13:44 ` John Robinson
2011-01-13 19:14 ` John Robinson
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