From: Neil Brown <neilb@suse.de>
To: David Miller <millerdc@fusion.gat.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID6 mdadm --grow bug?
Date: Thu, 13 Sep 2007 19:49:47 +0200 [thread overview]
Message-ID: <18153.30779.865508.713927@notabene.brown> (raw)
In-Reply-To: message from David Miller on Thursday September 13
On Thursday September 13, millerdc@fusion.gat.com wrote:
> Neil,
>
> On RHEL5 the kernel is 2.6.18-8.1.8. On Ubuntu 7.04 the kernel is
> 2.6.20-16. Someone on the Arstechnica forums wrote they see the same
> thing in Debian etch running kernel 2.6.18. Below is a messages log
> from the RHEL5 system. I have only included the section for creating
> the RAID6, adding a spare and trying to grow it. There is a one line
> error when I do the "mdadm --grow" command. It is "md: couldn't
> update array info. -22."
reshaping raid6 arrays was not supported until 2.6.21. So you'll need
a newer kernel.
NeilBrown
prev parent reply other threads:[~2007-09-13 17:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-13 0:39 RAID6 mdadm --grow bug? David Miller
2007-09-13 10:52 ` Neil Brown
2007-09-13 17:17 ` David Miller
2007-09-13 17:49 ` Neil Brown [this message]
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