On 26/01/2015 12:13, Zhang Haoyu wrote: > Thanks, Paolo, > but too many internal snapshots were saved by customers, > switching to external snapshot mechanism has significant impaction > on subsequent upgrade.
In that case, patches are welcome. :) > Another problem: > drive_backup just implement one time backup, > but I want VMWare's VDP-like backup mechanism. > The initial backup of a virtual machine takes comparatively more time, > because all of the data for that virtual machine is being backed up. > Subsequent backups of the same virtual machine take less time, because > changed block tracking (log dirty) mechanism is used to only backup the dirty > data. > After inittial backup done, even the VM shutdown, but subsequent backup also > only > copy the changed data. As mentioned before, patches for this are on the list. Paolo
