From: Richard Scobie <richard@sauce.co.nz>
To: thomas62186218@aol.com
Cc: davidsen@tmr.com, linux-raid@vger.kernel.org
Subject: Re: Software RAID 6 initial sync very slow
Date: Tue, 03 Jun 2008 13:08:00 +1200 [thread overview]
Message-ID: <48449970.6020704@sauce.co.nz> (raw)
In-Reply-To: <8CA92FCA38FE330-1A8-162F@webmail-nb02.sysops.aol.com>
thomas62186218@aol.com wrote:
> Thank you Bill and Richard for your responses.
>
> In sync_speed_max, I had already set it to 250000 (250MB/sec). For
> sync_speed_min, I have 249900 set. My rational behind doing this was to
> "force" it to go as fast as it can. Any problem with this?
You cannot force it to go faster, as for a RAID6 resync, the limiting
speed is going to be the maximum write speed of one drive and in
practice, I found that it self limited to around 60MB/s.
Regards,
Richard
next prev parent reply other threads:[~2008-06-03 1:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-01 11:26 Software RAID 6 initial sync very slow thomas62186218
2008-06-01 20:37 ` Richard Scobie
2008-06-02 12:35 ` Bill Davidsen
2008-06-02 19:18 ` thomas62186218
2008-06-03 1:08 ` Richard Scobie [this message]
2008-06-03 5:11 ` Neil Brown
2008-06-03 19:47 ` Bill Davidsen
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