From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: linux-raid@vger.kernel.org
Subject: Re: if (stripe_cache_size =< chunk_size) { BUG() }
Date: Tue, 26 Jun 2007 07:41:38 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0706260741100.6396@p34.internal.lan> (raw)
In-Reply-To: <Pine.LNX.4.64.0706260704050.6396@p34.internal.lan>
There is some kind of bug, also tried with 256 KiB, it ran 2 tests
(bonnie++) OK but then on the third, BANG, bonnie++ is now in D-state,
pretty nasty bug there.
On Tue, 26 Jun 2007, Justin Piszcz wrote:
> If you set the stripe_cache_size less than or equal to the chunk size of the
> SW RAID5 array, the processes will hang in D-state indefinitely until you
> change the stripe_cache_size to > chunk_size.
>
> Tested with 2.6.22-rc6 and a 128 KiB RAID5 Chunk Size, when I set it to 256
> KiB, no problems. 128 KiB and below cause issues.
>
> Justin.
> -
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prev parent reply other threads:[~2007-06-26 11:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-26 11:20 if (stripe_cache_size =< chunk_size) { BUG() } Justin Piszcz
2007-06-26 11:41 ` Justin Piszcz [this message]
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