On Sun, Aug 07, 2016 at 07:51:14PM +0430, Cendrin Sa wrote:
> Hi,
> I was searching a way to clone a machine using both memory and disk
> approach.
> I checked xen save/restore but after restoring, I can only work some
> seconds with my machine and it will crash with the_kernel_task_hang_up.
> using an script* to clone a machine is not working either.
> so is it a bug or something or I'm cloning the wrong way?
Hello,
I've not tried to perform cloning myself, but I have a little script to
perform VM checkpoints (so that you can restore the VM to any given point in
time). It's based on FreeBSD so it uses ZFS, but it should work with LVM
also if you replace it with the appropriate runes. AFAICT it should be quite
easy to expand it to also do VM cloning. This is transparent from a VM point
of view.
Roger.
---
#!/bin/sh -e
if [ "$#" -ne 1 ]; then
echo "Illegal number of parameters"
exit
fi
stamp=`date +%y-%m-%d-%H:%M.%S`
xl save $1 $1.$stamp
zfs snapshot tank/$1@$stamp
xl restore $1.$stamp
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