Hello,
El jue, 09-03-2006 a las 12:38 +0100, Artur Schiefer escribió:
> hello angel,
>
> one mistake i once made, was formatting the lv's without creating a
> partition first.(create logvol-> fdisk /dev/volgroup/logvol (new linux
> type partition)->(restart-> mkfs.ext3 on /dev/volgroup/logvol->vgchange
> -aly ->..)
>
I have tried this, but it doesn't work. I get a:
felis:/etc/xen# xm create dhcp1.cfg -c
Using config file "dhcp1.cfg".
Error: Device 2049 (vbd) could not be connected.
Device /dev/vm_volumes/root.dhcp1 is mounted in a guest domain,
and so cannot be mounted now.
I've checked and I don't have any volume mounted. I have also try to
completely stop lvm system with the same result.
Christopher G. Stach II said:
>
> dom0 DOES need megaraid
> dom0 DOES need LVM
> dom0 DOES need block device backend
>
> domU DOES NOT need megaraid (or any other SCSI lowlevel drivers)
> domU DOES NOT need LVM
> domU DOES NOT need LVM RAID
>
OK, I have tried with a domU kernel that supports and that doesn't
support it with the same results.
> domU DOES need block device frontend
> After you rebuild your kernels and reboot, make sure that the volume
> group(s) are recognized in dom0 and that you have /dev/<volume
> group>/<logical volumes> available. I suppose for your volume group,
> based on your configuration, it would be /dev/vm_volumes/var.dhcp1,
> etc.
>
logical volumes are working right, as I can mount them in the dom0.
> If those are not available in dom0, it obviously won't work. Also,
> your configuration should be like:
>
> phy:vm_volumes/root.dhcp1,sda1,w
>
> NOT
>
> phy:/vm_volumes/root.dhcp1,sda1,w
>
> To avoid any future confusion with SCSI major numbers, I would use
> xvda1
> instead of sda1 in your config (and the domU's fstab.)
>
If I try with this config:
kernel = "/boot/xen-linux-2.6.12.6-atica-xenu"
memory = 256
name = "dhcp1"
vif = [ '' ]
disk = ['phy:vm_volumes/root.dhcp1,xvda1,w',
'phy:vm_volumes/var.dhcp1,xvda2,w',
'phy:vm_volumes/swap.dhcp1,xvda3,w']
root = "/dev/xvda1 ro"
I get the same result:
felis:/etc/xen# xm create dhcp1.cfg -c
Using config file "dhcp1.cfg".
Error: Device 51713 (vbd) could not be connected.
Device /dev/vm_volumes/root.dhcp1 is mounted in a guest domain,
and so cannot be mounted now.
--
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
Tfo: 968367590
Fax: 968398337
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