Stops the Oracle Rdb monitor process.
1 – Description
The RMU Monitor Stop command stops the Oracle Rdb monitor process (RDMS_MONITORnn, where nn represents the version Oracle Rdb) normally, either with a shutdown and rollback of the databases or an immediate abort. You can use the RMU Monitor Stop command to shut down all database activity on your node, optionally aborting user processes by forcing an image exit or deleting their processes. The RMU Monitor Stop command closes the monitor log file also. An Oracle Rdb monitor process must be running on a node for users logged in to that node to use any Oracle Rdb database. In a VMScluster environment, a monitor process must be running on each node in the cluster from which databases is accessed. The Oracle Rdb monitor process controls all database access and initiates the automatic database recovery procedure following a system failure or other abnormal termination of a database user process. The monitor log file automatically tracks all access to the database.
2 – Format
(B)0[m RMU/Monitor Stop [4mCommand[m [4mQualifiers[m x [4mDefaults[m x /[No]Abort[={Forcex | Delprc}] x /NOABORT /[No]Wait x /NOWAIT
3 – Command Qualifiers
3.1 – Abort
Abort=Forcex Abort=Delprc Noabort The Abort=Forcex qualifier stops the monitor immediately without allowing current Oracle Rdb users to complete active transactions or detach from their databases. However, the user processes are not deleted. Active transactions are rolled back. If a process using a database is waiting for a subprocess to complete, the transaction is not rolled back until the subprocess completes. Using the Abort qualifier with no option is equivalent to specifying the Abort=Forcex qualifier. The Abort=Delprc qualifier stops the monitor immediately without allowing current Oracle Rdb users to complete active transactions or detach from their databases. Each user process that was attached to an Oracle Rdb database is deleted immediately. The Noabort qualifier allows current user processes to continue and complete before stopping. New users on the node are not allowed to attach to any database, but existing database users can complete their sessions normally. Once existing database user processes terminate, the database monitor shuts down. The Noabort qualifier is the default.
3.2 – Wait
Wait Nowait Specifies whether the Oracle RMU operation completes when the monitor acknowledges the stop request (Nowait), or whether RMU waits until the monitor finishes shutting down (Wait). The default is Nowait.
4 – Usage Notes
o To use the RMU Monitor Stop command, you must have either the OpenVMS SETPRV privilege or the OpenVMS WORLD, CMKRNL, DETACH, PSWAPM, PRMMBX, ALTPRI, SYSGBL, SYSNAM, SYSPRV, and BYPASS privileges. NOTE If Oracle Trace is installed on your system, you stall the Oracle Rdb monitor process with the RMU Monitor Stop command unless you do one of the following: - Shut down Oracle Trace, then shut down the Oracle Rdb monitor (in that order). - Use the RMU Monitor Stop command with the Abort=Delprc qualifier to shut down Oracle Rdb and force the monitor out of the Oracle Trace database.
5 – Examples
Example 1 The following command causes the Oracle Rdb monitor process to shut down after existing database users end their access to the database. New users on this node are unable to attach to any Oracle Rdb database. $ RMU/MONITOR STOP Example 2 The following command causes the Oracle Rdb monitor to stop immediately without allowing current Oracle Rdb users to complete active transactions (they are rolled back) or detach (DISCONNECT) from their databases. However, the user processes are not deleted. Because the monitor is shut down, all Oracle Rdb activity on this node is terminated. $ RMU/MONITOR STOP /ABORT=FORCEX Example 3 The following command causes the Oracle Rdb monitor to stop immediately without allowing current Oracle Rdb users to complete active transactions (they are not rolled back) or detach (DISCONNECT) from their databases. Each user process that was attached to a Oracle Rdb database on this node is deleted immediately. $ RMU/MONITOR STOP /ABORT=DELPRC