Zvi Dubitzky wrote:
Forgot to say: I am working with kvm-72
Does that have implication on the correctness of the save/restore of VM
state ?
Save-restore on upstream kvm versions is rather error prone.
I'm note sure one version is better than the other. Evan today mainline
kvm's
migration is not stable. We'll send patches this week to fix that.
So bottom line, if it works for you, use it.
Zvi Dubitzky
Virtualization and System Architecture Email:[email protected]
IBM Haifa Research Laboratory Phone: +972-4-8296182
Haifa, 31905, ISRAEL
"Daniel P. Berrange" <[email protected]>
23/03/2009 11:36
Please respond to
"Daniel P. Berrange" <[email protected]>
To
Zvi Dubitzky/Haifa/i...@ibmil
cc
[email protected]
Subject
Re: [libvirt] save/ restore a domain with kvm
On Sun, Mar 22, 2009 at 08:04:17PM +0200, Zvi Dubitzky wrote:
I am working with virsh
The version of VIRSH as it shows is :
virsh # version
Compiled against library: libvir 0.4.4
Using library: libvir 0.4.4
Using API: QEMU 0.4.4
Running hypervisor: QEMU 0.9.1
Under virsh I do the following :
1. suspend a running VM
2. save it to a file with the 'save' command
3. restore the saved domain file with the 'restore' command while the
domain is still in the suspend mode
or after it was shutdown/destroyed (not seen with 'list --all)
In either case I get the error message saying :
virsh # restore /home/dubi/xml/vm_dubi2.sav
libvir: QEMU error : operation failed: failed to start VM
error: Failed to restore domain from /home/dubi/xml/vm_dubi2.xml
Any idea what is the failure reason ?
Check the /var/log/libvirt/qemu/$HOME.log file for more information from
QEMU
Daniel
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