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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 14:18:12 +1000	[thread overview]
Message-ID: <20140829141812.17c35df7@notabene.brown> (raw)
In-Reply-To: <20140829040231.GP19874@bitfolk.com>

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On Fri, 29 Aug 2014 04:02:31 +0000 Andy Smith <andy@strugglers.net> wrote:

> Hi Neil,
> 
> On Fri, Aug 29, 2014 at 01:53:12PM +1000, NeilBrown wrote:
> > You need to
> >   echo 618727392 > /sys/block/md2/md/dev-sda3/size
> > and same for the other devices.
> > 
> > I looks like I need to get mdadm to be more clever when it gets -E2BIG.
> > Can you check that the above works?
> 
> Unfortunately it seems I cannot change that size:
> 
> # echo 618727392 > /sys/block/md2/md/dev-sda3/size
> # cat /sys/block/md2/md/dev-sda3/size
> 309363264
> 

Of course 'size' is in kilobytes, not sectors (which moron did that !??!?!)

echo 309363696 > /sys/block/md2/md/dev-sda3/size

NeilBrown

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  reply	other threads:[~2014-08-29  4:18 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 [this message]
2014-08-29  4:26                 ` Andy Smith
2014-08-29  4:35                   ` NeilBrown
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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