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From: Petr Vyskocil <petr@anime.cz>
To: linux-raid@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel 2.6.17 and RAID5 Grow Problem (critical section backup)
Date: Tue, 11 Jul 2006 11:05:59 +0200	[thread overview]
Message-ID: <e8vplt$fgv$1@sea.gmane.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0607110950450.30961@yvahk01.tjqt.qr>

>>> Hm, what's superblock 0.91? It is not mentioned in mdadm.8.
>>>
>> Not sure, the block version perhaps?
>>
> Well yes of course, but what characteristics? The manual only lists
>  0, 0.90, default
>  1, 1.0, 1.1, 1.2
> No 0.91 :(


AFAICR superblock version gets raised by 0.01 for the duration of 
reshape, so that non-reshape aware kernels do not try to assemble it 
(and cause data corruption).

Petr


  reply	other threads:[~2006-07-11  9:05 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-07 12:38 Kernel 2.6.17 and RAID5 Grow Problem (critical section backup) Justin Piszcz
2006-07-07 12:46 ` Justin Piszcz
2006-07-07 12:49   ` Justin Piszcz
2006-07-07 14:37     ` Justin Piszcz
2006-07-07 19:04       ` Justin Piszcz
2006-07-07 19:42         ` Justin Piszcz
2006-07-07 22:00       ` Neil Brown
2006-07-07 22:15         ` Justin Piszcz
2006-07-07 22:31           ` Neil Brown
2006-07-07 22:35             ` Justin Piszcz
2006-07-07 22:38               ` Neil Brown
2006-07-07 22:39                 ` Justin Piszcz
2006-07-10 21:47         ` Justin Piszcz
2006-07-10 22:27           ` Jan Engelhardt
2006-07-10 22:30             ` Justin Piszcz
2006-07-11  7:52               ` Jan Engelhardt
2006-07-11  9:05                 ` Petr Vyskocil [this message]
2006-07-18  0:16                   ` Neil Brown

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