Hi,
You can pass a LVM partition (one) to the DomU as a disk
(as you have discovered). Then you can let the DomU partition it.
If you have a need to access the partitions of the DomU,
in Dom0, then you can make use of kpartx to access them.
Regards,
Alan
-----Original Message-----
From: Matthias Reif [mailto:matthreif@xxxxxxxxx]
Sent: Thursday, 18 June 2009 2:38 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] LVM partitions on PV domU
Hi All,
I am trying to install a 32-bit CentOS 5 paravirtualised
domU based on
the instructions at
http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU.
I would like to allocate storage to the domU as a number
of LVM
logical volumes instead of a single disk image.
Ie.
kernel = "/domx/boot/vmlinuz-xen-install"
ramdisk = "/domx/boot/initrd-xen-install"
extra = "text"
[...]
disk = [ 'phy:/dev/sage/root,xvda1,w',
'phy:/dev/sage/usr,xvda2,w',
'phy:/dev/sage/swap,xvda3,w',
'phy:/dev/sage/tmp,xvda4,w',
'phy:/dev/sage/var,xvda5,w' ]
[...]
I was hoping the logical volumes would appear as
partitions inside the
domU, but instead the installer recognises them as
separate disk
devices and wants me to partition each of them, ie.
xvda11, xvda21,
etc.
Is this expected behaviour?
Is it at all possible to pass LV partitions through to
the domU as
partitions instead of disk devices?
dom0 = CentOS 5.2 64-bit
Xen = 3.3.1
Thank you.
Matthias
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