Re: [Xen-users] LVM's inside of Domu's

To:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject:	Re: [Xen-users] LVM's inside of Domu's
From:	Grant McWilliams <grantmasterflash@xxxxxxxxx>
Date:	Mon, 12 Apr 2010 21:09:55 -0700
Cc:	Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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On Mon, Apr 12, 2010 at 8:11 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:

On Tue, Apr 13, 2010 at 4:34 AM, Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx> wrote:
> Back when I started messing with Xen (a year or so ago), I read where it was not good to have a domu setup with LVM inside of it if the storage on the Dom0 was LVM also.

you could, if the VG on dom0 have different name from domU.

> and see filesystem
> possible slowdown?

If you have RHN subscription you might be able to ask them what the
performance penalty given by LVM is. AFAIK is negligible.

--
Fajar

I've done a lot of testing on LVM performance and it's almost alway as fast or within 10% of the speed of non-LVM at the worst. I too think the benefits outweight the negatives.

Grant McWilliams

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Re: [Xen-users] LVM's inside of Domu's