From: Roman Mamedov <roman@rm.pp.ru>
To: linux-raid@vger.kernel.org
Subject: Re: RAID6 and crashes
Date: Fri, 11 Jun 2010 00:57:43 +0600 [thread overview]
Message-ID: <20100611005743.43664e5b@natsu> (raw)
In-Reply-To: <4C1128C2.4020105@meetinghouse.net>
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On Thu, 10 Jun 2010 14:02:42 -0400
Miles Fidelman <mfidelman@meetinghouse.net> wrote:
> 2. Are there any settings that can reduce the likelihood of a RAID
> volume being dirty after a crash? (The crash/reboot isn't that much of
> a problem - the several hours of degraded performance ARE a problem.)
Do you currently have a write intent bitmap in the array? I think it can
reduce the need for recovery by an order of magnitude in some cases. Check man
mdadm for --bitmap if you don't use it yet.
--
With respect,
Roman
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next prev parent reply other threads:[~2010-06-10 18:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 18:02 RAID6 and crashes Miles Fidelman
2010-06-10 18:57 ` Roman Mamedov [this message]
2010-06-10 21:22 ` RAID6 and crashes (reporting back re. --bitmap) Miles Fidelman
2010-06-10 21:41 ` Roman Mamedov
2010-06-10 22:40 ` Miles Fidelman
2010-06-11 2:51 ` Roman Mamedov
2010-06-11 4:31 ` Graham Mitchell
2010-06-11 4:41 ` Roman Mamedov
2010-06-11 12:13 ` Graham Mitchell
2010-06-11 4:42 ` Miles Fidelman
2010-06-11 4:50 ` Neil Brown
2010-06-13 14:28 ` Bernd Schubert
2010-06-13 23:05 ` Neil Brown
2010-06-14 9:01 ` Bernd Schubert
2010-06-14 9:14 ` Roman Mamedov
2010-06-14 9:47 ` Neil Brown
2010-06-14 11:53 ` Roman Mamedov
2010-06-14 21:24 ` Neil Brown
2010-06-11 4:46 ` Miles Fidelman
2010-06-11 4:55 ` Roman Mamedov
2010-06-11 20:26 ` Miles Fidelman
2010-06-11 5:08 ` Neil Brown
2010-06-11 11:10 ` John Hendrikx
2010-06-11 11:50 ` Roman Mamedov
2010-06-11 12:29 ` Graham Mitchell
2010-06-11 12:25 ` Graham Mitchell
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