rman备份和恢复的问题

fxy8glb

大家好！

   现在有一个问题：在进行rman备份时，出现RMAN>;
RMAN>;
Starting backup at 02-2月 -05
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
using channel ORA_DISK_4
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 02/02/2005 19:41:16
ORA-00600: internal error code, arguments: [525], [0x70000016BFB7358], [5], [library cache], [2], [0x700000000025BB8], [device information], []
ORA-27041: unable to open file
IBM AIX RISC System/6000 Error: 25: Not a typewriter
Additional information: 16

请帮忙！
oracle版本是9.2.0.5

ccipt_cloud

你此时的数据库状态？
平时能正常启动？