When using ceph storage in nova, the libvirt driver should not cleanup the root disk except booting scenario such as evacuating instance failed. If the root disk is removed, maybe some user datas in it lost. (417291)

When using ceph storage in nova, the libvirt driver should not cleanup the root disk except booting scenario such as evacuating instance failed. If the root disk is removed, maybe some user datas in it lost. (417291) · Gerrit Code Review