...
[root@kvm]# qemu-img snapshot -l /images/kvm/centos6var/lib/libvirt/images/kylin10-NS-5.200.xyx.qcow2
Snapshot list:
ID TAG VM SIZE DATE VM CLOCK
1 SnapshotName_snapshot_01166M 2018-07-01 21:43:54 01:08:54.228
2 SnapshotName_snapshot_02 0 2018-07-01 22:01:34 00:00:00.000
...
[root@kvm]# qemu-img snapshot -a SnapshotName_snapshot_01 /images/kvm/centos6var/lib/libvirt/images/kylin10-NS-5.200.xyx.qcow2
4、删除快照
[root@kvm]# qemu-img snapshot -d SnapshotName_snapshot_01 /var/images/kvm/centos6lib/libvirt/images/kylin10-NS-5.200.xyx.qcow2