Re: Getting Xen to go along with LVM

[Hugo Silva <hugo%barafranca.com@localhost>]

haad wrote:
> Hi,
>
> On Mon, Nov 9, 2009 at 6:33 PM, Hugo Silva <hugo%barafranca.com@localhost> 
> wrote:
>   
> > Hello everyone,
> >
> > I've been, during the past few days, trying to run domUs backed by LVMs, so
> > far without success.
> >
> >
> >
> > Here's what I get:
> >
> > # xm create -c /usr/pkg/xen/conf/netbsd50.conf
> >
> > Using config file "/usr/pkg/xen/conf/netbsd50.conf".
> > Started domain netbsd-pv
> > : Intel 686-class, 2405MHz, id 0x6fb
> > xenbus0 at hypervisor0: Xen Virtual Bus Interface
> > xencons0 at hypervisor0: Xen Virtual Console Driver
> > xencons0: using event channel 2
> > xbd0 at xenbus0 id 1: Xen Virtual Block Device Interface
> > xennet0 at xenbus0 id 0: Xen Virtual Network Interface
> > xennet0: MAC address aa:aa:00:c4:aa:f4
> > (domU becomes unresponsive)
> >
> >
> > If I replace "disk = [ 'phy:/dev/mapper/vg00-lv0,0x1,w' ]" with disk = [
> > 'file:/usr/pkg/xen/netbsd.img,0x1,w' ], it will boot perfectly.
> >
> >
> > Nothing interesting in the logs.. (xend.log)
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > irq.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > vkbd.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > vfb.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > console.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:171) Waiting for 0.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > pci.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > ioports.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > tap.
> > [2009-11-09 18:29:17 2891] DEBUG (DevController:166) Waiting for devices
> > vtpm.
> > [2009-11-09 18:29:17 2891] INFO (XendDomain:1174) Domain netbsd-pv (6)
> > unpaused.
> >
> >
> >
> > I know the logical volume is good: /dev/mapper/vg00-lv0: block special
> >
> >
> > # newfs -O2 /dev/mapper/rvg00-lv0 /dev/mapper/rvg00-lv0: 20480.0MB (41943040
> > sectors) block size 16384, fragment size 2048
> >       using 111 cylinder groups of 184.52MB, 11809 blks, 22912 inodes.
> > super-block backups (for fsck_ffs -b #) at:
> > 160, 378048, 755936, 1133824, 1511712, 1889600, 2267488, 2645376, 3023264,
> > 3401152, 3779040, 4156928, 4534816, 4912704, 5290592, 5668480, 6046368,
> > 6424256, 6802144, 7180032,
> > ...................................................................................................................................................................................
> >
> > # df -h /mnt
> > /dev/mapper/vg00-lv0       19G       2.0K        18G   0% /mnt
> >
> >
> >
> > I don't know what to try next. It would be really nice to get Xen running
> > with LVM on NetBSD!
> >
> > Any pointers welcome :)
> >
> >     
>
> Dm driver maybe do not implement some ioctl needed by xen ?
>
>   

How do I check this possibility out?