On Thu, Jul 09, 2020 at 14:14:32 +0200, Milan Zamazal wrote: > Milan Zamazal <mzamazal@xxxxxxxxxx> writes: > > > Hi, > > > > I would like to clarify how to make snapshots of running VMs with > > emulated TPM devices. As far as I understand QEMU documentation, it's > > possible to make snapshots of running VMs with TPM, but it's important > > to retain the state of swtpm. Does libvirt assist with that in any way > > or is it completely user's responsibility? libvirt pauses the VM > > internally when making a snapshot, which should be the right moment to > > copy the swtpm data, but the user doesn't have control over it. Is > > there a way to make a copy of swtpm data that is guaranteed to be > > consistent with the snapshot? > > No idea? I can comment only on the fact that libvirt doesn't do anything regarding snapshots on a VM with TPM.
