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Re: [Xen-users] Report to a domU a change on a disk

To: "Angel L. Mateo" <amateo@xxxxx>
Subject: Re: [Xen-users] Report to a domU a change on a disk
From: "Alain Barthe" <ab266061@xxxxxxxxx>
Date: Mon, 1 Sep 2008 15:28:48 +0200
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2008/9/1 Angel L. Mateo <amateo@xxxxx>

       I have a Xen dom0 (Debian Etch running xen 3.0.3) running different
domUs. DomUs' disks are LVM2 volumes. Now I have increased the size of
one of these LVM volumes so I have to inform to the corresponding domU
that its disk has increased its size (to resize it without unmounting
it). How can I do this?

It seems AFAIK that you cannot tell an alive domU that its disk has grown without detaching and re attaching this disk. So if the disk supports the root filesystem, you can't.
Also, you can't resize a filesystem without unmounting it (http://www.howtoforge.com/linux_resizing_ext3_partitions).

Angel L. Mateo Martínez
Sección de Telemática
Área de Tecnologías de la Información       _o)
y las Comunicaciones Aplicadas (ATICA)      / \\
http://www.um.es/atica                    _(___V
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