本来一直都很正常的备份昨晚遭遇了OR-600的错误，具体错误为：
。还好在不打补丁的情况解决该问题也还算简单，只要在备份中加上参数DISKRATIO=0即可解决。
以下是该文章[ID 262997.1]对该Bug的具体解释
ORA-600 [525] / [510] and ORA-27041 When Running RMAN Backup On IBM AIX Platform [ID 262997.1]
AIX5L Based Systems (64-bit)
AIX 4.3 Based Systems (64-bit)
Checked for relevance on 09-May-2007
RMAN> backup tablespace users;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 02/10/2004 14:26:27
ORA-00600: internal error code, arguments: [525], [0x70000008093B068], [5],
[library cache], [1], [0x700000000025B30], [device information], []
ORA-27041: unable to open file
IBM AIX RISC System/6000 Error: 25: Not a typewriter
Additional information: 16
In the trace file generated by the ORA-600, the current SQL statement is:
select device ,node from x$krbaff where fno=:b1
RMAN> backup tablespace users diskratio=0;
RMAN-03002: failure of backup command at 12/30/2012 04:00:06
ORA-00600: internal error code, arguments: [525], [0x70000020661E7D8], [5], [library cache], [30], [0x700000000025BF0], [device information], []
ORA-27041: unable to open file
IBM AIX RISC System/6000 Error: 25: Not a typewriter
Additional information: 16
估计应该是碰到Bug了，使用ORA-600 Error Look-up Tool只找到文章[38888.1]，但对问题解决没什么大的帮助。使用RMAN ORA-600 525关键字才找到相关的文章[ID 262997.1]。确实是Bug导致了该错误，而且该Bug只存在于AIX系统上。还好在不打补丁的情况解决该问题也还算简单，只要在备份中加上参数DISKRATIO=0即可解决。以下是该文章[ID 262997.1]对该Bug的具体解释
ORA-600 [525] / [510] and ORA-27041 When Running RMAN Backup On IBM AIX Platform [ID 262997.1]
In this Document
Symptoms
Cause
Solution
References
Applies to:
Oracle Server - Enterprise Edition - Version: 9AIX5L Based Systems (64-bit)
AIX 4.3 Based Systems (64-bit)
Checked for relevance on 09-May-2007
Symptoms
When running RMAN backup script you receive an error stack similar to:RMAN> backup tablespace users;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 02/10/2004 14:26:27
ORA-00600: internal error code, arguments: [525], [0x70000008093B068], [5],
[library cache], [1], [0x700000000025B30], [device information], []
ORA-27041: unable to open file
IBM AIX RISC System/6000 Error: 25: Not a typewriter
Additional information: 16
In the trace file generated by the ORA-600, the current SQL statement is:
select device ,node from x$krbaff where fno=:b1
Cause
This problem is specific to the AIX platform and is suspected to be related to the node affinity interface. No solution in terms of a code fix exists.Solution
Workaround: Use the DISKRATIO=0 option on the backup command, eg.:RMAN> backup tablespace users diskratio=0;
References
BUG:2181764 - ORA-00600 [KSFDDLI3] EXECUTING BACKUP COMMAND ON RMAN来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/13885898/viewspace-1651541/ ，如需转载，请注明出处，否则将追究法律责任。
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