From mboxrd@z Thu Jan  1 00:00:00 1970
From: Neil Brown <neilb@suse.de>
Subject: Re: Linear RAID hot grow
Date: Tue, 21 Aug 2007 09:30:03 +1000
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In-Reply-To: message from Dat Chu on Monday August 20
Sender: linux-raid-owner@vger.kernel.org
To: Dat Chu <dattanchu@gmail.com>
Cc: Justin Piszcz <jpiszcz@lucidpixels.com>, linux-raid@vger.kernel.org
List-Id: linux-raid.ids

On Monday August 20, dattanchu@gmail.com wrote:
> The links on Neil's website to those patches are no longer there. When
> I try to hot grow a linear raid, it says that hot grow for linear raid
> is not supported.

What is the exact error message?
What kernel are you using?

hot-grow for linear does work with recent kernels and mdadm - it is
part of my test suite.
  mdadm --grow /dev/md-linear --add /dev/new-device

NeilBrown