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xen-users
Re: [Xen-users] Convert HVM to PV
On 06/08/10 11:48, Jonathan Tripathy wrote:
Hi Everyone,
To convert an HVM install to PV, is it just as simple as creating a
new config file, and use the "kernel" and "initrd" parameters to boot
from a XEN kernel stored in the Dom0, and use the (ex) HVM's disk
image in the "disk" parameter?
You will have to handle your disk-layout. Normally you would give pv
domU your partition instead of your disk. hda or sda becomes xvda in the
pv world, so you will add directly the data-partition (xvda1 e.g.). And
you will have to get a paravirtualized kernel and initrd for your domU
to boot. oh, and your getty has to listen to xvc0 (on xenified kernels)
or hvc0 (on pvops-kernels) and not on tty1-6 anymore in order to have a
console login prompt after booting.
you could also try to migrate your grub to pvgrub. then you don't have
mess around and convert your hvm-disk (with partitiontable and
everything). But I don't know how stable pvgrub is. in ##xen, i observed
many problems with pvgrub and hvm-pv migration.
Good luck.
Sincerly
Nicolas
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