From: Michael Tokarev <mjt@tls.msk.ru>
To: Niccolo Rigacci <niccolo@rigacci.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: New FAQ entry? (was IBM xSeries stop responding during RAID1 reconstruction)
Date: Wed, 21 Jun 2006 22:51:07 +0400 [thread overview]
Message-ID: <4499951B.8040306@tls.msk.ru> (raw)
In-Reply-To: <20060621160907.GA20630@rigacci.org>
Niccolo Rigacci wrote:
[]
> From the command line you can see which schedulers are supported
> and change it on the fly (remember to do it for each RAID disk):
>
> # cat /sys/block/hda/queue/scheduler
> noop [anticipatory] deadline cfq
> # echo cfq > /sys/block/hda/queue/scheduler
>
> Otherwise you can recompile your kernel and set CFQ as the
> default I/O scheduler (CONFIG_DEFAULT_CFQ=y in Block layer, IO
> Schedulers, Default I/O scheduler).
There's much easier/simpler way to set default scheduler. As
someone suggested, RTFM Documentation/kernel-parameters.txt.
Passing elevator=cfq (or whatever) will do the trick much simpler
than kernel recompile.
/mjt
next prev parent reply other threads:[~2006-06-21 18:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-21 16:09 New FAQ entry? (was IBM xSeries stop responding during RAID1 reconstruction) Niccolo Rigacci
2006-06-21 17:10 ` David Greaves
2006-06-21 18:51 ` Michael Tokarev [this message]
2006-06-22 2:20 ` Mark Hahn
2006-06-22 4:35 ` Gil
2006-06-22 7:11 ` Niccolo Rigacci
2006-06-23 3:14 ` Bill Davidsen
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