[sheepdog-users] Problem with qcow2

[Cristian Del Carlo]

Sorry I'm confused.

When i run the following command, i can't see my vm paused ... so I thought
that it can't save all state of vm ( including RAM etc...).

dog vdi snapshot -s test3_backup test3

Is it a problem in my configuration?

2016-09-29 9:21 GMT+02:00 Vasiliy Tolstov <v.tolstov at selfip.ru>:

> 2016-09-29 10:20 GMT+03:00 Cristian Del Carlo
> <cristian.delcarlo at targetsolutions.it>:
> > Hi Hitoshi,
> >
> > Thanks for your response and for your time.
> > Correct me if I'm wrong.
> >
> > I thought about using qcow2 to use qemu to have the ability to use
> internal
> > shapshot.
> >
> > To have a consistent image of my virtual machines using sheepdog, I
> think I
> > should turn off the virtual machine, then make the snapshot ( dog vdi
> > snapshot -s ) and then turn it on again.
> >
> > Using internal snapshot feature of qcow2/qemu I could avoid switching off
> > the machine.
> >
> > External snapshot do not seem to be supported with sheepdog:
> >
> > # virsh snapshot-create-as test3 test3-backup --disk-only --atomic
> >
> > error: unsupported configuration: source for disk 'vda' is not a regular
> > file; refusing to generate external snapshot name
> >
> > I'm thinking correctly or i am wrong?
> >
> > Thanks,
>
>
> You don't need qcow2 for snapshoting in sheepdog. Sheepdog able to
> save all state of vm.
> Create internal snapshot. I remember that libvirt have some bugs about
> snapshots in sheepdog, but if you have reproduced issue i can fix ti.
>
> --
> Vasiliy Tolstov,
> e-mail: v.tolstov at selfip.ru
>



-- 


*Cristian Del Carlo*

*Target Solutions s.r.l.*

*T* +39 0583 1905621
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*@* cristian.delcarlo at targetsolutions.it

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