最近Oracle出现了好多问题，这个问题暂时还没有解决，通过更换操作系统版本和数据库版本可以使用。
从原来的x86-64更换为i386

oracle版本是10.2
操作系统：

Red Hat Enterprise Linux AS release 4 (Nahant Update 4)

rman输出信息：

Recovery Manager: Release 10.2.0.1.0 - Production on Mon Nov 19 22:15:53 2007

Copyright (c) 1982, 2005, Oracle. All rights reserved.

RMAN>
connected to target database: tonykorn97 (DBID=3347039199)
using target database control file instead of recovery catalog

RMAN>
echo set on

RMAN> set command id to 'BACKUP_tonykorn97_000_111907101542';
executing command: SET COMMAND ID

RMAN> backup device type disk tag 'BACKUP_tonykorn97_000_111907101542' database;
Starting backup at 19-NOV-07
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=127 devtype=DISK
channel ORA_DISK_1: starting compressed full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
...
channel ORA_DISK_1: starting piece 1 at 19-NOV-07
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 11/19/2007 22:42:50
ORA-00600: internal error code, arguments: [krbb0ef_inv_blk_2], [], [], [], [], [], [], []