Dne so 20. prosince 2008 Matthias Pfafferodt napsal(a):
> Hello Daniel,
>
> thnaks for your anser. Do you know the plans regarding save/restore in
> kvm and libvirt? I would like to save my vm's at shutdown and restore
> at boot time. At the moment this is not working and shutdown is used.
>
> Matthias
>
> Am Thursday 18 December 2008 13:42:36 schrieb Daniel P. Berrange:
> > On Wed, Dec 17, 2008 at 01:46:43PM +0100, Matthias Pfafferodt wrote:
> > > Hallo,
> > >
> > > I use kvm-81 and libvirt 0.5.1. I can save a kvm donain but if I
> > > want to restore it I get the following error in the log file:
> > >
> > > unknown migration protocol: stdio
> > >
> > > I tried it using only kvm and got the same error.
> > >
> > > How can I save / restore a VM to / from a file?
> >
> > The new KVM release dropped support for the '-incoming stdio' syntax
> > that libvirt was using so save/restore no longer works :-(
> >
> > Daniel
Hello.
I try to find solution for problem with restore and result is following
small patch. The same can be used for libvirt 0.5.x.
Slavek
--- libvirt-0.4.6.orig/src/qemu_driver.c
+++ libvirt-0.4.6/src/qemu_driver.c
@@ -2811,7 +2811,7 @@
/* Set the migration source and start it up. */
vm->stdin_fd = fd;
- ret = qemudStartVMDaemon(conn, driver, vm, "stdio");
+ ret = qemudStartVMDaemon(conn, driver, vm, "exec:cat");
close(fd);
vm->stdin_fd = -1;
if (ret < 0) {
--
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