[libvirt] Trouble with /var/lib/libvirt/qemu/save mount

[Daniel P. Berrange]

On Wed, Jul 12, 2017 at 10:11:34AM -0600, Orion Poplawski wrote:
> I'm trying to get libvirt-guests ON_SHUTDOWN=suspend to work on EL7 with a
> separate mount point for /var/lib/libvirt/qemu/save.  It appears that during
> host shutdown that /var/lib/libvirt/qemu/save gets unmounted before
> libvirt-guests gets run, resulting in the save images running out of space on
> my system and being mounted over on boot.
> 
> I've tried adding:
> 
> RequiresMountsFor=/var/lib/libvirt/qemu/save
> 
> to /usr/lib/systemd/system/libvirt-guests.service, but that does not appear to
> help.  Any other ideas?

Each mount point has a corresponding unit file. eg

 /mnt/Downloads corresponds to  mnt-Downloads.mount

so you can put a dependancy between the lbivirt-guests.service
and the mount unit, that ought to prevent it being unmounted

Regards,
Daniel
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