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ADMINISTERING

Monitoring all the servers in a cluster at the same time

You can use the Domino® server monitor to monitor all the servers in a cluster at once. You can decide what information you want to monitor and how to display that information. You can monitor the cluster while you monitor other Domino servers. To tell Domino which servers to monitor and what information to monitor on each server, you create or customize a monitoring profile.

About this task

When you start the server monitor, the Statistic Collector task starts, if it is not already running.

To start the server monitor manually

Procedure

1. From the Domino Administrator, click the Server -> Monitoring tab.

2. In the Monitoring profiles field, select the profile for the cluster you want to monitor. By default, Domino creates a profile for each cluster in the domains you are monitoring.

3. Click the Start button. After you press this button, it becomes the Stop button.

To start the server monitor automatically when the server starts

Procedure

1. Choose File -> Preferences -> Administration Preferences.

2. Click Monitoring.

3. Select Automatically monitor servers at startup.

4. Make any other changes you want, and then click OK.

Customizing a monitoring profile for a cluster

About this task

You can create new profiles and edit existing profiles to customize the tasks and statistics that Domino displays.

Procedure

1. From the Domino Administrator, click the Server -> Monitoring tab.

2. In the Monitoring profiles field, select an existing profile.

Selecting a profile initializes the server monitor if it is not already initialized. You cannot make changes to a profile until the server monitor is initialized.

3. To add one or more tasks to monitor, choose Monitoring -> Monitor New Task, select the tasks you want to add, and then click OK.

For clustering, it can be useful to monitor the Cluster Database Directory Manager and the Cluster Replicator.

4. To add one or more statistics to monitor, choose Monitoring -> Monitor New Statistic, do the following in the Add Statistic(s) to this profile dialog box, and then click OK.

Expand Replica -> Cluster, and then select the statistics you want to monitor for cluster replication.
There are many statistics that are helpful, but SecondsOnQueue and WorkQueueDepth are particularly helpful in determining whether you need to increase the number of Cluster Replicators you are running on the server.
Expand Server -> Cluster, and then select the other cluster statistics you want to monitor.
If Availability Index and Availability Threshold are not already included in your profile, it is helpful to monitor those. It is also helpful to monitor OpenRedirects - Failover and OpenRedirects - LoadBalance, as well as OpenRequest - LoadBalanced and OpenRequest - ClusterBusy to track how often failover occurs.

5. Optional: To add a server to the profile, select Monitoring -> Monitor New Server, and then select the server from the list; or drag a server from the Server pane to the server monitor.

6. Optional: To remove a server from the profile, click the name of the server you want to remove, and then select Monitoring -> Remove Server.

7. To save your changes to the profile, do one of the following:

To save this profile as a new profile while also preserving the original profile, choose Monitoring -> Profiles -> Save As, and then enter a name for the profile.
To have this modified profile replace the original profile, you do not have to do anything. The profile is saved automatically when you close the Domino Administrator.

Related concepts
Monitoring servers

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