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From: Andi Kleen <andi@firstfloor.org>
To: anton@mips.complang.tuwien.ac.at
Cc: linux-kernel@vger.kernel.org
Subject: Re: Out-of-order writing by disk drives
Date: Tue, 14 Apr 2009 16:10:34 +0200	[thread overview]
Message-ID: <87r5zv72cl.fsf@basil.nowhere.org> (raw)
In-Reply-To: <E1LrHX3-0003u5-2G@a4.complang.tuwien.ac.at> (Anton Ertl's message of "Tue, 7 Apr 2009 22:04:29 +0200 (CEST)")

"Anton Ertl" <anton@mips.complang.tuwien.ac.at> writes:
>
> /dev/md2        /home           ext3    defaults,barrier=1      1	2

Just make sure /dev/md2 is a RAID1, MD RAID0/5/10 don't support barriers.

See also my general treatise of multiple device barriers earlier today.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2009-04-14 14:10 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-07 20:04 Out-of-order writing by disk drives Anton Ertl
2009-04-14 14:10 ` Andi Kleen [this message]
2009-04-14 16:33   ` Anton Ertl
2009-04-14 17:24     ` Andi Kleen
2009-04-14 17:40       ` Mark Lord
2009-04-14 17:48         ` Michael Tokarev
2009-04-14 17:54         ` Andi Kleen
2009-04-14 18:09           ` Michael Tokarev
2009-04-14 18:50             ` Andi Kleen
2009-04-14 19:27               ` Chris Mason
2009-04-15 12:46                 ` Jens Axboe
2009-04-17 19:46         ` Folkert van Heusden
2009-04-17 20:29           ` Andi Kleen
2009-04-17 21:07 ` Folkert van Heusden
2009-04-18  9:06   ` Anton Ertl

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