问题：

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on t1 channel at 01/17/2012 21:00:35
ORA-19506: failed to create sequential file, name="full_20120117_4883_1", parms=""
ORA-27028: skgfqcre: sbtbackup returned error
ORA-19511: Error received from media manager layer, error text:
   ANS1352E (RC52)   Session rejected: Password has expired

 

解决：update node TDPMDS01 passexp=0