From: NeilBrown <neilb@suse.de>
To: Andy Smith <andy@strugglers.net>
Cc: linux-raid@vger.kernel.org
Subject: Re: Shrinking number of devices on a RAID-10 (near 2) array
Date: Fri, 29 Aug 2014 14:35:28 +1000 [thread overview]
Message-ID: <20140829143528.588cf640@notabene.brown> (raw)
In-Reply-To: <20140829042618.GQ19874@bitfolk.com>
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On Fri, 29 Aug 2014 04:26:18 +0000 Andy Smith <andy@strugglers.net> wrote:
> On Fri, Aug 29, 2014 at 02:18:12PM +1000, NeilBrown wrote:
> > Of course 'size' is in kilobytes, not sectors (which moron did that !??!?!)
> >
> > echo 309363696 > /sys/block/md2/md/dev-sda3/size
>
> Sorry, still no joy:
>
> # echo 309363696 > /sys/block/md2/md/dev-sda3/size
> # cat /sys/block/md2/md/dev-sda3/size
> 309363264
Try use "/bin/echo" so you get an error message.
Also try smaller numbers. Can you write anything larger than what is already
there? Increasing by 64 (match the 128 sectors that mdadm wants for
new_offset) should be enough.
NeilBrown
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next prev parent reply other threads:[~2014-08-29 4:35 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-23 16:31 Shrinking number of devices on a RAID-10 (near 2) array Andy Smith
2014-08-24 3:09 ` NeilBrown
2014-08-24 6:28 ` Craig Curtin
2014-08-24 6:45 ` NeilBrown
2014-08-24 13:19 ` Andy Smith
2014-08-24 14:39 ` Andy Smith
2014-08-25 10:32 ` Andy Smith
2014-08-25 11:26 ` NeilBrown
2014-08-25 11:34 ` Andy Smith
2014-08-28 9:53 ` Andy Smith
2014-08-29 3:53 ` NeilBrown
2014-08-29 4:02 ` Andy Smith
2014-08-29 4:18 ` NeilBrown
2014-08-29 4:26 ` Andy Smith
2014-08-29 4:35 ` NeilBrown [this message]
2014-08-29 4:42 ` Andy Smith
2014-08-29 6:04 ` NeilBrown
2014-08-29 20:45 ` Andy Smith
2014-08-29 20:47 ` [PATCH 1/1] Grow: Report when grow needs metadata update Andy Smith
2014-09-03 3:28 ` NeilBrown
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