From: Neil Brown <neilb@suse.de>
To: Iain Rauch <groups@email.iain.rauch.co.uk>
Cc: Justin Piszcz <jpiszcz@lucidpixels.com>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: RAID 6 grow problem
Date: Sun, 3 Jun 2007 07:38:21 +1000 [thread overview]
Message-ID: <18017.58189.826699.729848@notabene.brown> (raw)
In-Reply-To: message from Iain Rauch on Saturday June 2
On Saturday June 2, groups@email.iain.rauch.co.uk wrote:
> > For the critical section part, it may be your syntax..
> >
> > When I had the problem, Neil showed me the path! :)
> I don't think it is incorrect, before I thought it was supposted to specify
> an actual file so I 'touch'ed one and it says file exists.
>
> > For your issue, do you have raid5/6 GROW support enabled in the kernel?
> > Also I grew mine I never used the --backup-file option.
> I don't know, how would I find this out? uname -r gives me 2.6.20-15-server.
raid6 reshape wasn't added until 2.6.21. Before that only raid5 was
supported.
You also need to ensure that CONFIG_MD_RAID5_RESHAPE=y.
NeilBrown
next prev parent reply other threads:[~2007-06-02 21:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0706021232040.13184@p34.internal.lan>
2007-06-02 21:26 ` RAID 6 grow problem Iain Rauch
2007-06-02 21:31 ` Justin Piszcz
2007-06-02 21:33 ` Justin Piszcz
2007-06-02 21:38 ` Neil Brown [this message]
2007-06-02 21:55 ` Iain Rauch
2007-06-02 22:07 ` Neil Brown
2007-06-02 22:35 ` Iain Rauch
2007-06-03 23:33 ` Daniel Korstad
2007-06-04 6:47 ` RAID6 clean? Guy Watkins
2007-06-04 6:59 ` Neil Brown
2007-08-18 5:40 ` Guy Watkins
2007-06-04 20:29 ` RAID 6 grow problem Bill Davidsen
2007-06-05 17:08 ` Iain Rauch
2007-06-05 19:21 ` Daniel Korstad
2007-06-05 21:26 ` Jon Nelson
2007-06-06 0:46 ` Neil Brown
2007-06-10 19:18 ` Iain Rauch
2007-06-10 20:17 ` Justin Piszcz
2007-06-06 15:06 Daniel Korstad
2007-06-06 15:38 ` Jon Nelson
2007-06-07 4:44 ` Neil Brown
-- strict thread matches above, loose matches on Subject: below --
2007-06-02 15:30 Iain Rauch
2007-06-02 16:19 ` Justin Piszcz
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