Websphere application server obtains an exclusive lock on the physical recovery log files whenever it is instructed to perform recovery processing and releases this lock when it is instructed to pass ownership of the logs to another server 当执行恢复处理时， websphere application server将获得对物理恢复日志文件的排它锁定，而当websphere application server将日志的持有权转给其它服务器时将让出该锁定。
