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???? cs 4.3.1 centos6.4 qemu-img-0.12.1.2-2.448.el6_6.3.x86_64 ????kvm.snapshot.enabled true 1???????????????? Failed to create snapshot due to an internal error creating snapshot for volume 45 ???????? com.cloud.utils.exception.CloudRuntimeException: Failed to backup 28d6ca49-bdf4-46bd-95b9-dedaafdf3ef1 for disk /mnt/61b861e7-fdb0-3b90-bcbb-959e27d9974a/ce682575-4d3d-46e3-afab-9df731e54c4e to /mnt/f7abae0d-4442-3c96-aec7-1f5ce4284579/snapshots/2/45 2??vm???????????? VM snapshot is not enabled for hypervisor type: KVM ???????????? VM snapshot is not enabled for hypervisor type: KVM 3?????????????????????? ??????