On 02/01/11 15:16, Stefan Hajnoczi wrote: > On Tue, Feb 1, 2011 at 10:58 AM, <jes.soren...@redhat.com> wrote: >> From: Jes Sorensen <jes.soren...@redhat.com> >> This is a first attempt to add fsfreeze support to virtagent. The idea >> is for the guest agent to walk the list of locally mounted file >> systems in the guest, and issuing an ioctl to freeze them. The host >> can then do a live snapshot of the guest, obtaining stable file >> systems. After the snapshot, the host then calls the thaw function in >> virtagent, which goes through the list of previously frozen file >> systems and unfreezes them. > > Any plans for a call-out to pre/post freeze and thaw scripts so that > applications can flush cached data to disk and brace themselves for > freeze?
Michael and I were discussing this earlier, we need to add it somehow. It could be done as call-outs from the freeze call, or from separate agent calls. Cheers, Jes
