进入_mgmtdb报警日志方式如下

[grid@rac01 ~]$ cd $ORACLE_BASE/diag/rdbms
[grid@rac01 rdbms]$ ls -trl
total 0
drwxr-x--- 3 grid oinstall 34 Jun 29 13:46 _mgmtdb
[grid@rac01 rdbms]$ cd _mgmtdb/
[grid@rac01 _mgmtdb]$ ls -trl
total 4
drwxr-x--- 16 grid oinstall 4096 Jun 29 13:43 -MGMTDB
-rw-r-----  1 grid oinstall    0 Jun 29 13:46 i_1.mif
[grid@rac01 _mgmtdb]$ cd ./-MGMTDB/
[grid@rac01 -MGMTDB]$ ls -trl
total 72
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 metadata_pv
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 metadata_dgif
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 ir
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 incpkg
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 hm
drwxr-x---  2 grid oinstall     6 Jun 29 13:43 cdump
drwxr-x---  2 grid oinstall    20 Jun 29 13:46 alert
drwxr-x---  2 grid oinstall  4096 Jun 29 13:49 metadata
drwxr-x---  7 grid oinstall    76 Jun 29 14:53 log
drwxr-x---  2 grid oinstall  4096 Jun 30 16:52 stage
drwxr-x---  2 grid oinstall  4096 Jun 30 16:52 lck
drwxr-x--- 14 grid oinstall  4096 Jun 30 17:21 incident
drwxr-x---  2 grid oinstall    57 Jun 30 17:22 sweep
drwxr-x--- 12 grid oinstall 36864 Jun 30 17:22 trace
[grid@rac01 -MGMTDB]$ cd trace/
[grid@rac01 trace]$ pwd
/u01/app/grid/base/diag/rdbms/_mgmtdb/-MGMTDB/trace
[grid@rac01 trace]$