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Re: [Xen-users] Is LVM really that much slower than Container?

Subject: Re: [Xen-users] Is LVM really that much slower than Container?
From: Thomas Goirand <thomas@xxxxxxxxxx>
Date: Mon, 13 Apr 2009 10:15:29 +0800
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Tim Kaufmann wrote:
> Hi,
> I installed Windows XP SP3 to two domU. Only difference between them:
> one is stored in a container (let's call it domU1), while the other one
> (domU2) is stored on a logical volume made available by the dom0.
> I have a tar.gz-file which is 400 MB in size. Copying this file from a
> samba server on the network via LAN to domU1 takes 11 seconds on domU1
> and a little more than 2 minutes on domU2.
> Creating a local copy of the file takes 3 seconds on domU1 and 80
> seconds on domU2. Is that a penalty LVM-users have to live with or is
> something wrong with my system?
> Tim

No, LVM are actually a lot faster than file loopbacks. I don't get why
you are having such results. Did you install the GPLPV drivers on both


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