Re: Amount of virtual disks with KVM

[Daniel Bareiro <daniel-listas@gmx.net>]

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Hi, Avi.

On Monday, 30 November 2009 10:18:31 +0200,
Avi Kivity wrote:

> >I'm trying to make a migration of a Xen PV virtual machine to KVM.
> >For this I'm starting a VM with SystemRescueCD [1] of the following
> >way:
> >
> ># /usr/local/kvm/bin/qemu-system-x86_64 -hda /dev/vm/hermes-disk -boot d \
> >  -cdrom /space/isos/systemrescuecd-x86-1.3.2.iso -m 512 -daemonize -vnc \
> >  :2 -k es -localtime -hdb hermes-raiz.raw -hdc hermes-var.raw -net \
> >  nic,vlan=0,macaddr=00:16:3e:00:00:34 -net tap
> >
> >Where hermes-disk is the disk that will use the VM in the destination
> >host, and hermes-raiz.raw and hermes-var.raw are the raw partitions
> >that was using the Xen PV virtual machine in source host.
> >
> >My idea is to create the partitions in hermes-disk, to mount the raw
> >partitions and to do "cp -a" to the partitions created in
> >hermes-disk, but after boot only hermes-disk and hermes-raiz.raw are
> >exported (like sda and sdb). Which can be the problem?

> -cdrom and -hdc occupy the same IDE slot (second bus, master drive).
> Try -hdd instead of -hdc.

Perfect! With -hdd and -cdrom, it exported the three disks and the ISO
without problems. That would also explain why when not using -cdrom, the
-hdc disk yes it is exported after to have installed with netinstall.

Thanks for your reply.

Regards,
Daniel
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