Events Supported by Event Monitoring

**Table 1** MAS events
Source	Name	Severity	Description	Solution	Impact
MAS	Abnormal database	Critical	Abnormal relational database is detected by the MAS MySQL/Oracle/PostgreSQL monitor.	On the MAS console, click Multi-Active Instances, choose an instance, and check event MySQL/Oracle/PostgreSQL details and rectify the faults.	Data in the relational database may be lost.
MAS	Database recovered	Major	The relational database is recovered, detected by the MySQL/Oracle/PostgreSQL monitor.	None	None
MAS	Abnormal Redis database	Critical	Abnormal Redis database is detected by the MAS Redis monitor.	On the MAS console, click Multi-Active Instances, choose an instance, and view Redis event details and rectify the faults.	Data in the Redis database may be lost.
MAS	Redis database recovered	Major	The Redis database is recovered.	None	None
MAS	Abnormal MongoDB database	Critical	Abnormal MongoDB database is detected by the MAS MongoDB monitor.	On the MAS console, click Multi-Active Instances, choose an instance, and view MongoDB event details and rectify the faults.	Data in the MongoDB database may be lost.
MAS	MongoDB database recovered	Major	The MongoDB database is recovered.	None	None
MAS	Abnormal Elasticsearch	Critical	Abnormal Elasticsearch database is detected by the MAS Elasticsearch monitor.	On the MAS console, click Multi-Active Instances, choose an instance, and view Elasticsearch event details and rectify the faults.	The Elasticsearch instance may be unavailable.
MAS	Elasticsearch instance recovered	Major	The Elasticsearch database is recovered.	None	None
MAS	Abnormal API	Critical	Abnormal API or unexpected response code is detected by the MAS API monitor.	On the MAS console, click Multi-Active Instances, choose an instance, and view API event details and rectify the faults.	API data in the database may be lost.
MAS	API recovered	Major	The API is recovered.	None	None
MAS	Area status changed	Major	Area status changes are detected by MAS.	On the MAS console, click Multi-Active Instances, choose an instance, and view multi-active area event details and rectify the faults.	Network of the multi-active areas may change.