Last updated on AUGUST 25, 2017
Applies to:Enterprise Manager for Oracle Database - Version 126.96.36.199.0 to 188.8.131.52.0 [Release 12.1]
Enterprise Manager Base Platform - Version 184.108.40.206.0 to 220.127.116.11.0 [Release 12.1]
Information in this document applies to any platform.
12c Cloud Control raises and sends notifications after the blackout ends or stopped for the blackout duration.
Steps to reproduce:
Start the Blackout for 20-30 mins.
Once the target go in the blackout status shutdown the database.
Start up the database.
When the blackout will end it will send the database down notification with the error: Failed to connect to database instance: No more data to read from socket.
Or issue can be reproduced using the commands.
/emctl start blackout AUTO_BLACKOUT_SHUT_BD testdb:oracle_database
-- shutdown database
-- and restard alread under blackout
emctl stop blackout AUTO_BLACKOUT_SHUT_BD
Email after blackout finished:
Target type=Database Instance
Message=Failed to connect to database instance: No more data to read from socket.
Event reported time=Jul 16, 2012 1:57:51 PM MDT
Associated Incident Id=1089
Associated Incident Status=New
Associated Incident Owner=
Associated Incident Acknowledged By Owner=No
Associated Incident Priority=None
Associated Incident Escalation Level=0
Event Type=Target Availability
Failed to connect to database instance: No more data to read from socket.
Incident created by rule (Name = Incident management Ruleset for all targets,
Incident creation Rule for target down.; Owner = ).
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