From: Tomasz Chmielewski <mangoo@wpkg.org>
To: "Rustedt, Florian" <florian.rustedt@smartnet.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: How do i limit the bandwidth-usage while resyncing on RAID 1?
Date: Wed, 10 Oct 2007 17:15:36 +0200 [thread overview]
Message-ID: <470CEC98.3050209@wpkg.org> (raw)
In-Reply-To: <735D322AED9CD711BE53000476917CD002972B92@NT-SERVER-5>
Rustedt, Florian schrieb:
> Hello List,
>
> while resyncing, the process takes the whole bandwidth from disk to disk.
>
> This leads in a VERY unhappy situation, because the system on this raid is
> unpractical slow now, because it has to wait for disk-io.
>
> How can i tune this? I want somthing like "nice -n 19 dm-mirror" ;)
Look into sync_speed_min and sync_speed_max in /sys/block/mdX/md.
--
Tomasz Chmielewski
http://blog.wpkg.org
next prev parent reply other threads:[~2007-10-10 15:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-10 15:11 How do i limit the bandwidth-usage while resyncing on RAID 1? Rustedt, Florian
2007-10-10 15:15 ` Tomasz Chmielewski [this message]
2007-10-10 19:45 ` Richard Scobie
2007-10-11 22:27 ` Neil Brown
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