When change an object from RECOVERYING/COPYING to NORMAL state, a redo log should be wrote.
otherwise the data may lost after power outage.
becasuse after power outage, next time system boot on, all object in COPYING/RECOVERYING state will be droped.
When change an object from RECOVERYING/COPYING to NORMAL state, a redo log should be wrote. otherwise the data may lost after power outage. becasuse after power outage, next time system boot on, all object in COPYING/RECOVERYING state will be droped.