From: Frank van Maarseveen <frankvm@frankvm.com>
To: linux-raid@vger.kernel.org
Subject: 2.6.39[.1]: raid1 check blocks jbd on other md more than 120 seconds -- workaround
Date: Tue, 7 Jun 2011 10:24:35 +0200 [thread overview]
Message-ID: <20110607082435.GA2016@janus> (raw)
In-Reply-To: <20110602093644.GA8620@janus>
I did some more testing and apparently the issue can be avoided by
choosing the deadline scheduler instead of cfq. Either configure the
kernel with
CONFIG_DEFAULT_IOSCHED="deadline"
or select the deadline I/O scheduler per device. In my case:
echo deadline >/sys/block/sda/queue/scheduler
echo deadline >/sys/block/sdb/queue/scheduler
--
Frank
prev parent reply other threads:[~2011-06-07 8:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 9:36 2.6.39: raid1 check blocks jbd on other md more than 120 seconds Frank van Maarseveen
2011-06-02 9:46 ` Mathias Burén
2011-06-03 7:38 ` Frank van Maarseveen
2011-06-03 12:08 ` Thomas Harold
2011-06-03 12:36 ` Frank van Maarseveen
2011-06-07 8:24 ` Frank van Maarseveen [this message]
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