[sheepdog] Live snapshot not working via libvirt. Possible regression?

Vasiliy Tolstov v.tolstov at selfip.ru
Fri Sep 11 09:54:06 CEST 2015

2015-09-11 10:43 GMT+03:00 Vasiliy Tolstov <v.tolstov at selfip.ru>:
> As i'm understand commit messae, when we create vdi with 20 Gb size
> and want to to create full snapshot (with disk and memory), qemu needs
> additional space to store memory. But all disk size from vdi already
> populated to running domain and simply qemu does not have free space
> to store memory.
> Hitoshi, when the sheepdog announce this feature hot qemu store memory
> inside sheepdog ? Does qemu create  additional volume for memory or
> something else ?

In case of qcow2 file format qemu stores memory in additional space,
that not populated to guest.
Does it possible in sheepdog to create vdi and populate only some disk
space to guest?

Vasiliy Tolstov,
e-mail: v.tolstov at selfip.ru

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