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Re: [Xen-users] LVM filesystem or partition

To: "IDAGroup - R.W.Muller" <robin@xxxxxxxxxxx>
Subject: Re: [Xen-users] LVM filesystem or partition
From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
Date: Sun, 28 Oct 2007 08:44:13 +0000
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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IDAGroup - R.W.Muller wrote:
Hi, installing a Centos 5 guest with virt-install gives me LV with a whole file system and one partition in it. I also figured out how to copy this partition to it's own LV
and can still boot (after changes in the config file of course).
I was now wondering if there is any disadvantage with the partition instead of the file system. Obviously the partition has the advantage that I can easily mount it on
Any experience with LV root partition against LV file systems ?


If you use the LV as a whole Xen file system, you have to go through some extra steps using "kpartx" to access its internal partitions. Tools tools like fdisk or parted used inside the Xen system whinge less, and you can use partition resizing tools inside of the guest domain. And I don't think that RedHat's anaconda installer is happy *at all* about dealing with partitions like xvda1 without an xvda device behind them, but my memory of that is from a while ago. You could try it.

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