Last updated on MAY 20, 2015
Applies to:Enterprise Manager Base Platform - Version 10.2.0.1 to 18.104.22.168 [Release 10.2 to 11.1]
Information in this document applies to any platform.
Checked for relevance on 19-Dec-2013
GRID keeps sending notification about an ORA-257 in the database after it went into ARCHIVELOG mode.
The message shown in Grid Control is :
Target Type=Database Instance
Message=Failed to connect to database instance: ORA-00257: archiver error.
Connect internal only, until freed. (DBD ERROR: OCISessionBegin).
Notification Rule Name=Database Availability and Critical States
Notification Rule Owner=SYSMAN
+ Verified the issue by the Alert.log of the impacted target database :
Tue Aug 15 11:55:20 2006
Thread 1 cannot allocate new log, sequence 22917
All online logs needed archiving
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