Once the copy process finishes and the Snapshot is no longer needed, simply unmount and scrap it using lvremove.
复制过程完成之后，就不需要快照了，这时只需用lvremove卸载并销毁它。
2
For all intents and purposes, the Snapshot is a copy of the original LV. It can be mounted if a filesystem is present with.
对于所有日常操作，快照看起来就是原lv的一个拷贝。
3
For example, running a file system copy while the database is running won't give you a snapshot for your database for a particular point in time (PIT).
例如，如果数据库在运行，那么执行文件系统复制操作时将得不到即时点(point in time, PIT)上数据库的快照。