dbca – Creating RAC Database using dbca in silent mode

Posted on December 16, 2008. Filed under: Database, DBA/Admin Tips, Linux, RAC, TroubleShooting | Tags: , , |

During the course of the DBA life, we all know how irritating it is to create a DB or to install a Oracle Software on a UNIX Flavour box from a remote machine using a X РServer. Each click would take minutes to react (My favourite is the tab button on the keyboard) but still at-times we have to make use of the mouse. Anyways, recently we installed 10203 on a HP server which already has cluster setup. Everything went good in terms of 10201 installation, 10203 upgrade (both binaries) and even dbca 14 screens. But nothing happened when clicked on the finish button in dbca (14th screen). No useful information in the log files. I pressed cancel and re-launched it again and did the dbca exercise all the way till the end, still no luck. By this time my patience level was minus 25.  It is at this stage i thought how about creating the database in silent mode and you know what, creating the DB in silent mode is 200 times faster than the GUI and the db creation completed in less than 5 minutes.

Syntax to create a General Purpose RAC Database on a Cluster File System.

dbca -silent -createDatabase -templateName General_Purpose.dbc -gdbName opitstop -sid opitstop -sysPassword opitstop123 -systemPassword opitstop123 -emConfiguration NONE -datafileDestination /opt/oracle/oradata/opitstop -storageType CFS -nodelist RAC_NODE_1,RAC_NODE_2 -characterSet WE8IS08859P15 -listeners opitstop -memoryPercentage 30 -continueOnNonFatalErrors true

Place above command in a .sh file (shell script) say createRACDB.sh and just run it. Before running the script make sure the cluster services (crs) are running and also you have user equivelance between the rac nodes for the oracle owner ie., eg. if the oracle owner username is oraracdb in RAC_NODE_1 and RAC_NODE_2 then when you do a ssh from RAC_NODE_1 to RAC_NODE_2 it should go without asking for the password.

There are more options available with dbca. Some of them are -createDatabase, -createTemplateFromDB, -createCloneTemplate, -generateScripts, -deleteDatabase, -configureASM, -deleteInstance. For a complete list of the usage execute dbca -help.

DBCA Log Location: $ORACLE_HOME/cfgtoollogs/dbca/[SID]

Happy DB creation(s) !!!

cheers,
OraclePitStop.

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