Using DMMONHA to monitor your iCluster HA environment
Using the iCluster DMMONHA command is a great way to make sure your high availability environment is performing to your expectations. You can monitor the iCluster event log for latency, suspended objects that have been suspended for more than a user specified number of minutes, and even specify up to 20 individual messages to monitor.
For groups, the same command can monitor the status of groups and let you know when the status of a group changes from Active to Inactive or Indoubt and remains in that status for more than a user specified number of minutes.
Finally you can also automatically clean up the eventlog of any expired messages (messages older than the retention period specified in the iCluster system wide value – Option 6 on the main menu).
In the example below, the eventlog is being monitored for any latency, the eventlog is being cleaned up automatically, we are monitoring for suspended objects that have been suspended for more than 30 minutes, and groups are being monitored for any groups that are in Inactive or Indoubt status for more than 5 minutes.
The use of DMMONHA will ensure that you are on top of any issues that may arise in your replication environment.