alert_sid.log中部分内容：
alter database open
Beginning crash recovery of 1 threads
parallel recovery started with 2 processes
Started redo scan
Completed redo scan
read 54591 KB redo, 0 data blocks need recovery
Errors in file d:\dbdms\diag\rdbms\dbdms\dbdms\trace\dbdms_ora_1724.trc (incident=810548):
ORA-00600: 内部错误代码, 参数: [kcratr_nab_less_than_odr], [1], [99189], [43531], [43569], [], [], [], [], [], [], []
Incident details in: d:\dbdms\diag\rdbms\dbdms\dbdms\incident\incdir_810548\dbdms_ora_1724_i810548.trc
Tue Jan 10 21:24:53 2012
Trace dumping is performing id=[cdmp_20120110212453]
Aborting crash recovery due to error 600
Errors in file d:\dbdms\diag\rdbms\dbdms\dbdms\trace\dbdms_ora_1724.trc:
ORA-00600: 内部错误代码, 参数: [kcratr_nab_less_than_odr], [1], [99189], [43531], [43569], [], [], [], [], [], [], []
Errors in file d:\dbdms\diag\rdbms\dbdms\dbdms\trace\dbdms_ora_1724.trc:
ORA-00600: 内部错误代码, 参数: [kcratr_nab_less_than_odr], [1], [99189], [43531], [43569], [], [], [], [], [], [], []
ORA-600 signalled during: alter database open...
SQL> startup
ORACLE 例程已经启动。
Total System Global Area 417546240 bytes
Fixed Size 2176328 bytes
Variable Size 268438200 bytes
Database Buffers 138412032 bytes
Redo Buffers 8519680 bytes
数据库装载完毕。
ORA-00600: 内部错误代码, 参数: [kcratr_nab_less_than_odr], [1], [99189],
[43531], [43569], [], [], [], [], [], [], []
环境是windows server 2008 64bit
oracle 11.2.0.1.0版
现在库起不来，重建了SID，不知道有没什么办法，谢谢！
------解决方案--------------------
1.做好备份
2.尝试recover database;，再尝试open
3.如果不行，recover database until cancel;，然后resetlogs
4.再不行，看情况分析
我在pub上回复过了
如果不会解决，可以联系我
qq号：107644445