You already tried rsync? if applicable
1- Prepare the server physical:
1.1
apt-get install rsync
1.2
# /etc/rsyncd.conf
max connections = 1
syslog facility = local3
read >list = yes
uid = root
gid = root
[p2v]
comment = physical to virtual server
path = /
1.3
rsync --daemon
2- Prepare new DomU (in this case LVM)
File System Root /
lvcreate -L 50G -n vmname.dsk VGxen # as needed
FS swap
lvcreate -L 2G -n vmname.swp VGxen
3- Format e mount
mkfs.ext3 /dev/VGxen/vmname.dsk
mkswap /dev/VGxen/vmname.swp
mkdir /mnt/vmname
mount /dev/VGxen/vmname.dsk /mnt/vmname
4-
rsync -vaH --numeric-ids --stats --progress --exclude "/mnt/*" --exclude "/proc/*" --exclude "/sys/*" --exclude "/tmp/*" --exclude "/var/tmp/*" \
--exclude "/var/run/*.pid" --exclude "/var/run/dbus/system_bus_socket" rsync://192.168.1.123/p2v/ /mnt/vmname/
5 - Finally
5.1 in /mnt/vmname/etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/xvda1 / ext3 defaults,errors=remount-ro 0 1
/dev/xvda2 none swap sw 0 0
5.2 in /mnt/vmname/etc/inittab:
co:2345:respawn:/sbin/getty 38400 xvc0
5.3 in /mnt/vmname/etc/securetty:
xvc0
5.4 to create /etc/xen/auto/vmname:
import commands
krn_vers = commands.getoutput('uname -r')
name ='vmname'
builder = 'linux'
disk = [ 'phy:/dev/VGxen/' + name ' + ".dsk,xvda1,w', \
'phy:/dev/VGxen/' + name ' + ".swp,xvda2,w' ]
memory = 512
vif = [ 'bridge=xenbr0' ]
kernel = '/boot/vmlinuz-' + krn_vers
ramdisk = '/boot/initrd.img-' + krn_vers
root = '/dev/xvda1 ro'
>>>extra = 'xencons=xvc console=xvc0 video=tty'
vfb = [ 'type=vnc,vncdisplay=0,vnclisten=0.0.0.0,vncpasswd=passwd' ]
6 - copy modules from Dom0 to new DomU
cp -a /lib/modules/$(uname -r) /mnt/vmname/lib/modules/
7-
umount /mnt/vmname
8 -
xm create /etc/xen/auto/vmname -c
source: http://wiki.xen-br.org/index.php?title=P2v-howto
Att,
Horacio Ibrahim
On Wed, Feb 4, 2009 at 6:42 AM, Stefan Kögl <koeglstefan@xxxxxxxxx> wrote:
> I was hoping to pick someone's brain about the best way of moving a Xen disk
> image (which has LVM's inside of it) to a new block-device? I have the
> target DRBD device ready but unsure what's the best & safest way to do it.
I did that once by dd'ing data from all filesystems except for the
root-fs onto the new device from withing DomU, then shutting down the
virtual machine, and copying the root-fs from Dom0. kpartx is your
friend for that ;)
Regards,
Stefan
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