Re: [Xen-devel] [PATCH 2/2] libxl_qmp: Tell QEMU about live migration or snapshot

2018-03-13 Thread Wei Liu
On Tue, Mar 13, 2018 at 11:13:18AM +, Anthony PERARD wrote: > Since version 2.10, QEMU will lock the disk images so a second QEMU > instance will not try to open it. This would prevent live migration from > working correctly. A new parameter as been added to the QMP command > "xen-save-devices-

[Xen-devel] [PATCH 2/2] libxl_qmp: Tell QEMU about live migration or snapshot

2018-03-13 Thread Anthony PERARD
Since version 2.10, QEMU will lock the disk images so a second QEMU instance will not try to open it. This would prevent live migration from working correctly. A new parameter as been added to the QMP command "xen-save-devices-state" in QEMU version 2.11 which allow to unlock the disk image for a l