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This article introduces the knowledge of "how to enable the read-only Oracle Home directory". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

I. configuration

Oracle Home should not create any databases or Listener until you enable the read-only Oracle Home directory

Run the roohctl script to enable read-only Oracle HOME.

$cd $ORACLE_HOME/bin$. / roohctl-enable

Determine if Oracle Home is read-only

$cd $ORACLE_HOME/bin$. / orabasehome

If the output of the orabasehome command is the same as $ORACLE_HOME, the Oracle Home directory is in read / write mode. If the output shows the path ORACLE_BASE/ homes/HOME_NAME, your Oracle Home directory is in read-only mode.

File path directory Read/Write Oracle Home file path read-only Oracle Home file path ORACLE_HOME/refresh/home/oracle/product/18.0.0/dbhome_1/refresh/home/oracle/product/18.0.0/dbhome_1ORACLE_BASE/refresh/home/oracle//refresh/home/oracle/ORACLE_BASE_HOMEORACLE_HOME (or)

Refresh/home/oracle/product/18.0.0/dbhome_1ORACLE_BASE/homes/HOME_NAME (or)

Refresh/home/oracle/homes/OraDB18Home1ORACLE_BASE_CONFIGORACLE_HOME (or)

Refersh/home/oracle/product/18.0.0/dbhome_1ORACLE_BASE (or)

/ refresh/home/oracle/ III. The influence of read-only Home directory on DBCA

Spfile / pfile location

ORACLE_BASE/dbs

Or

/ refresh/home/oracle/dbs

Log location

ORACLE_BASE/cfgtoollogs/dbua

Or

/ refresh/home/oracle/cfgtoollogs/dbua

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