[virt-tools-list] Possibility to define directory used to save snapshots?

OmegaPhil OmegaPhil at startmail.com
Mon Jan 29 10:47:46 UTC 2018

On 27/01/18 14:45, OmegaPhil wrote:
> On 27/01/18 14:34, Pavel Hrdina wrote:
>> On Sat, Jan 27, 2018 at 01:04:32PM +0000, OmegaPhil wrote:
>>> Using Virtual Machine Manager 1.4.3 here on Devuan Ascii with libvirt0
>>> 3.0.0-4+deb9u1. I have a collection of VMs on this machine (so single
>>> host, no migrations, no shared storage etc etc) that are stored in a
>>> storage pool outside of the root volume (since the root volume is mostly
>>> dedicated to the OS) - so not '/var/lib/libvirt/images'.
>>> The OS volume is running out of space, and I found that snapshots were
>>> being stored separately from the VMs, at '/var/lib/libvirt/qemu/save' -
>>> is there a way for me to configure where snapshots end up, and
>>> preferably in the same storage location as the VMs?
>>> '/etc/libvirt/storage' seems to only store configuration for the storage
>>> pools that host the VMs.
>>> Thanks for any help
>> Hi,
>> So you are not probably talking about snapshot but about suspending the
>> guests.  Currently virt-manager uses internal snapshots and it works
>> only for qcow2 disk images, the snapshot itself is stored inside that
>> disk image.
>> The path "/var/lib/libvirt/qemu/save" is used for "saving" the virtual
>> machine.  This is handled by libvirt, virt-manager only controls
>> libvirt, and unfortunately there is no way how to change the default
>> path.
>> The only suggestion is that you can mount different volume under that
>> path to not use the root one.
>> Pavel
> Ah apologies, confused snapshotting and saving. Yes, I save VMs and
> expect any produced files to end up on the VM's storage pool basically
> (this is also important for backing up the VM, that everything required
> is in the same place).
> Thanks, I'll look into making a feature request for libvirt a bit later.
> Yes, perhaps mount bind trickery etc could be used as a last resort (but
> its easier just to clear up some space at this point).
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Have just had a response on my libvirt feature request for this
(https://bugzilla.redhat.com/show_bug.cgi?id=1539311#c1) - it sounds
like a feature request for virt-manager? Should I go ahead and make that
 feature request?

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