Recover from a system crash‌

After an unplanned system shutdown (for example a crash or a power failure), CM may fail to restart. Do the following:

1. Restart the database.
   

2. From the dmsys account, check that the environment variables are correctly set up.

3. If you are using a Dimensions network for CM operations, delete the following file using the UNIX rm command:

   $installdir/dfs/<nodename>/<nodename>.dat

   The network does not start if this file exists.

4. Force start the database and then shut it down normally using the following commands (see the Administration Guide for details):

   • To start Oracle Enterprise:

     % $ORACLE_HOME/bin/sqlplus /nolog 
     SQLPLUS> connect / as sysdba 
     SQLPLUS> startup force
     SQLPLUS> shutdown 
     SQLPLUS> startup SQLPLUS> exit
     $ORACLE_HOME/bin/lsnrctl 
     LSNRCTL> start

5. To start Dimensions CM:

   $ dm_control cm_start