From: Andy Smith <andy@strugglers.net>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: Shrinking number of devices on a RAID-10 (near 2) array
Date: Fri, 29 Aug 2014 04:42:26 +0000 [thread overview]
Message-ID: <20140829044226.GR19874@bitfolk.com> (raw)
In-Reply-To: <20140829143528.588cf640@notabene.brown>
Hi Neil,
On Fri, Aug 29, 2014 at 02:35:28PM +1000, NeilBrown wrote:
> On Fri, 29 Aug 2014 04:26:18 +0000 Andy Smith <andy@strugglers.net> wrote:
> > 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.
I can't even increase it by 64 from what it is now:
# /bin/echo 309363328 > /sys/block/md2/md/dev-sda3/size
# cat /sys/block/md2/md/dev-sda3/size
309363264
In fact I can't increase it by 1, and /bin/echo doesn't say why.
Cheers,
Andy
next prev parent reply other threads:[~2014-08-29 4:42 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
2014-08-29 4:42 ` Andy Smith [this message]
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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