A split mirror of a DB2 UDB database can be initialized as a snapshot of the source database, essentially an instantaneous clone of the source database.
DB 2 UD b数据库的分割镜像可以被初始化为源数据库的一个快照，实质上是源数据库的一个瞬时克隆。
2
Copy the split mirror on top of the source database.
在源数据库上复制分割镜像。
3
The backup on the split mirror system will be capturing the state of the database containers on the source system at the time that the split occurred.