If the instance is down, unavailable, or in a maintenance state, this will display which state it is in.
The rest of the information in this section is only valid for this metric when it appears in either the Enterprise Manager Grid Control or the Enterprise Manager Database Control (if applicable).
The following table shows how often the metric's value is collected.
|
Target Version |
Collection Frequency |
|
10.1.0.x; 10.2.0.x; 11.1.0.x; 11.2.0.x |
Every 15 Seconds |
Comes from the memory-mapped file $ORACLE_HOME/dbs/hc_
Consult the corrective action on the database home page. Corrective action could include starting up the database.
Related Topics
About Alerts
About the Metric Detail Page
Editing Thresholds
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