The individual Components

The Archiving Monitor

3.1.1Starting and Ending the Archiving Monitor

Acontrol program start_amon.sh is provided in the directory ${NSR_INST}/ora- cle/bin for coordinating the activities of the archiving monitor. This program can be invoked at operating system level with the relevant parameters (start, status, stop).

start_amon.sh [-t{nsremc}] <command> [<ORACLE_SID> ...]

The -toption is required if NSR-ORA (nsr) and NSR-ORA-EMC (emc) are installed on one machine, so that it is possible to distinguish which archiving monitor is to be started.

If ORACLE_SID is not specified, the environment variable $ORACLE_SID is eval- uated. If this variable is not set, amon is started for all configured ORACLE instances; otherwise only for the specified ORACLE_SIDs.

The following commands are available:

start

Starts the archiving monitor

stop

Stops the archiving monitor

status

Status inquiry

The start command is used to start the archiving monitor. This requires the database to be in ARCHIVELOG mode.

The configuration file dbo${ORACLE_SID}.init is then read out and the archiving monitor (amon daemon) is started. All important events are recorded in a protocol file located in the directory ${DBO_CONFIG_DIRECTORY}/prot.

The stop command deactivates the archiving monitor.

The status check status shows, among other things, the following information:

the time the archiving monitor is activated

the database to be monitored

the archive directory

the maximum number of offline redolog files

the current number of offline redolog files

Example:

The following entries are assumed in the configuration file in this example:

NSR_SERVER=psi

DBO_CONFIG_DIRECTORY=/nsr/oracle/ora

System Administrator’s Guide

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3Com NSR-ORA V3.2 manual Starting and Ending the Archiving Monitor, Example

NSR-ORA V3.2 specifications

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