The monitor checks availability of a full database backup and its age as reported by Microsoft SQL Server; it does not apply any logic regarding the replicas preferred for the backup.
This monitor checks the existence and age of the database backup as reported by Microsoft SQL Server. This is done by running a query against the master database of the SQL instance and returning the age of the database backup. The monitor does not apply any logic regarding the replicas preferred for the backup.
Database has not been backed up for too long.
You should perform a backup of one of the availability database's replicas to resolve the issue.
To eliminate this issue in future it is recommended to schedule an automated backup according to the needs of the application and business requirements.
Best Practice recommendations for SQL Server Database Backups
Name | Description | Default Value |
Backup Period (days) | The target backup frequency in days. Should be set according to your Recovery Point Objective (RPO). | 7 |
Enabled | Enables or disables the workflow. | No |
Generates Alerts | Defines whether the workflow generates an Alert. | Yes |
Interval (seconds) | The recurring interval of time in seconds in which to run the workflow. | 86400 |
Synchronization Time | The synchronization time specified by using a 24-hour format. May be omitted. |
|
Timeout (seconds) | Specifies the time the workflow is allowed to run before being closed and marked as failed. | 300 |
| Target | Microsoft.SQLServer.2012.AlwaysOn.AvailabilityDatabaseHealth |
| Parent Monitor | System.Health.AvailabilityState |
| Category | AvailabilityHealth |
| Enabled | False |
| Alert Generate | False |
| Alert Auto Resolve | False |
| Monitor Type | Microsoft.SQLServer.2012.AlwaysOn.MonitorType.AvailabilityDatabaseHealth.BackupStatus |
| Remotable | True |
| Accessibility | Public |
| RunAs | Default |
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ENU <UnitMonitor ID="Microsoft.SQLServer.2012.AlwaysOn.Monitor.AvailabilityDatabaseHealth.BackupStatus" Accessibility="Public" Enabled="false" Target="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityDatabaseHealth" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.SQLServer.2012.AlwaysOn.MonitorType.AvailabilityDatabaseHealth.BackupStatus" ConfirmDelivery="false">
<Category>AvailabilityHealth</Category>
<OperationalStates>
<OperationalState ID="Good" MonitorTypeStateID="Good" HealthState="Success"/>
<OperationalState ID="Bad" MonitorTypeStateID="Bad" HealthState="Error"/>
</OperationalStates>
<Configuration>
<InstanceName>$Target/Host/Property[Type="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityGroupHealth"]/InstanceName$</InstanceName>
<DatabaseName>$Target/Property[Type="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityDatabaseHealth"]/DatabaseName$</DatabaseName>
<Threshold>7</Threshold>
<IntervalSeconds>86400</IntervalSeconds>
<SyncTime/>
<TimeoutSeconds>300</TimeoutSeconds>
</Configuration>
</UnitMonitor>