今天本想部署 Data Guard、但备库在启动时报错：
ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [], [], [], [], []
alert.log告警部分摘录如下：
orcl_ora_5642.trc部分摘录如下：
*** 2013-03-10 09:48:35.962
KCCDEBUG_LEVEL = 0
Dynamic strand is set to TRUE
Running with 1 shared and 18 private strand(s). Zero-copy redo is FALSE
*** 2013-03-10 09:49:36.218
ksedmp: internal or fatal error
ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [], [], [], [], []
Current SQL information unavailable - no session.
----- Call Stack Trace -----
calling call entry argumen
最后问题定位是 hostname 被修改了、把 host 改回来就可以