linux-kernel - Re: Sluggish system while copying large files.

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Message-ID: <20061013161421.7ecba339@localhost>
Date:	Fri, 13 Oct 2006 16:14:21 +0200
From:	Paolo Ornati <ornati@...twebnet.it>
To:	Brice Figureau <brice+lklm@...sofwonder.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Sluggish system while copying large files.

On Fri, 13 Oct 2006 15:56:14 +0200
Brice Figureau <brice+lklm@...sofwonder.com> wrote:

> I have a brand new Dell 2850 biXeon x86_64 with a Perc4e/Di (megaraid)
> RAID card with two hardware RAID1 volumes (sda and sdb, ext3 on top of
> LVM2, io scheduler deadline).
> 
> This machine runs 2.6.18 and is used as a mysql server.
> 
> Whenever I cp large files (for instance during backup) from one volume
> to the other, the system becomes really sluggish. 

I used to have this problem and it seems that 2.6.19-rc1 and later
kernels are better (at least for me).

-- 
	Paolo Ornati
	Linux 2.6.19-rc1-g9eb20074 on x86_64
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