From: <me@heyjay.com>
To: Paul Clements <paul.clements@steeleye.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Sync rates?
Date: Thu, 6 May 2004 21:01:43 -0500 [thread overview]
Message-ID: <008401c433d7$42be27c0$6705a8c0@a30> (raw)
In-Reply-To: 409A9917.2090509@steeleye.com
My machine was idle during the rebuild. When I say idle, I mean no one
logged in, no user processes running (except me sshed into the box), no
database, no I/O other than the rebuild.
While the rebuild was going on my system was debilitated, totally slow to
respond to ssh commands
Jay
----- Original Message -----
From: "Paul Clements" <paul.clements@steeleye.com>
To: <me@heyjay.com>
Cc: <linux-raid@vger.kernel.org>
Sent: Thursday, May 06, 2004 2:59 PM
Subject: Re: Sync rates?
> me@heyjay.com wrote:
>
> > platinum:~# cat /proc/sys/dev/raid/speed_limit_min
> > 1000
> > platinum:~# cat /proc/sys/dev/raid/speed_limit_max
> > 200000
> > Are these acceptable?
>
> Well, those values are in KB/s. And, your resync rate is about:
>
> 120000000 / ( 24 * 60 * 60 ) = 1388 KB/s
>
> if my calculations are correct. I'd try bumping the min value up to say
> 10000 and see if that speeds things up. Is there much I/O activity on
> the system? That will slow down a resync quite a bit, too.
>
> --
> Paul
>
>
next prev parent reply other threads:[~2004-05-07 2:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-06 19:15 Sync rates? me
2004-05-06 19:32 ` Måns Rullgård
2004-05-06 19:40 ` Paul Clements
2004-05-06 19:50 ` me
2004-05-06 19:59 ` Paul Clements
2004-05-07 2:01 ` me [this message]
2004-05-12 18:04 ` Eric Wood
2004-05-06 19:48 ` me
[not found] <200405070244.i472iHB15917@www.watkins-home.com>
2004-05-07 5:28 ` me
[not found] <200405070624.i476OKB17105@www.watkins-home.com>
2004-05-07 21:54 ` me
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