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Re: [virt-tools-list] shutdown / save guest state on host shutdown / reboot?



Le mardi 02 novembre 2010 18:04:49, Eric Blake a écrit :
> On 11/02/2010 07:34 AM, Laurent Léonard wrote:
> >> Or? What are other people on this list using to stop or save guest state
> >> graciously when the host reboots / halts?
> >> 
> >> Maybe there is some solution already? Custom scripts? If everyone is
> >> using custom scripts, maybe it's time to show some code and start
> >> building on that?
> > 
> > Here is the script that we provide with libvirt Debian package:
> > http://git.debian.org/?p=pkg-libvirt/libvirt.git;a=blob;f=debian/libvirt-
> > suspendonreboot;h=088527fb0e3d54f583da430eab468d6472a660c1;hb=HEAD
> > 
> > It uses virsh and works fine, but an integrated feature in libvirt (to be
> > compatible with/like the autoboot feature that already exists) should be
> > welcome.
> 
> Libvirt 0.8.3 and newer provide the managedsave feature, which is
> _exactly_ what you are supposed to be using to get this behavior of
> saving all guest state on host shutdown, then resuming the guest from
> that same state on next host boot.  Upstream libvirt includes the
> libvirt-guests init script for Fedora-based systems; you may want to
> compare your debian script against the fedora version and post that for
> upstream inclusion (it seems to me that the only reason that upstream
> libvirt does not currently include non-fedora solutions is that no one
> has yet proposed any patches for inclusion).

Thank you for that piece of information Eric, I was not aware of managedsave 
feature. I will replace our old init script by the libvirt-guests init script 
that uses managedsave feature.

-- 
Laurent Léonard


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