OEM Blackout

You should put an OEM Blackout in place for any planned interruption of Oracle service

Oracle

OEM

Assumptions

Assumptions

This assumes you are using some form of Change Management system and that an environment variable called CHANGE is explicitly set to the ChangeID that this Blackout will be set to support. For example:

export CHANGE=CM20999999

EMAGENT_HOME is set in the environment. Ideally this should be in the .profile for the 'oracle' user. For example:

export EMAGENT_HOME=/u01/app/em12c/agent_13.1.0.0.0 # Database Servers

All commands should run as 'oracle' when on Database Servers (and 'oms' on an OMS)

AGENT_HOME is likely to be different on the OMS. Ideally this should be in the .profile for the 'oms' user. For example:

export EMAGENT_HOME=/u01/app/agent12c/agent_13.1.0.0.0/bin # OMS

.profile

Start Blackout

cd $EMAGENT_HOME/bin

./emctl start blackout ${CHANGE} -nodeLevel

Database Instance

./emctl start blackout ${CHANGE} ${ORACLE_SID}:oracle_database -d 00:10

-d = Duration HH:MM

Stop Blackout

cd $EMAGENT_HOME/bin

./emctl stop blackout ${CHANGE}

Blackout Status

cd $EMAGENT_HOME/bin

./emctl status blackout

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