ORA-19870、ORA-19573错误处理

现象：

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of recover command at 01/12/2013 21:16:08

ORA-19870: error reading backup piece /u01/rmanbak/for18dg/standby_PORT_20130112_1fnv8622_1_1.bak

ORA-19573: cannot obtain exclusive enqueue for datafile 26

RMAN> 

原因：数据库处于OPEN状态

处理方法：

shutdown immediate;

startup mount;