Administering a server pool

When IBM Traveler is configured for High Availability and is using an enterprise database, you must use the web based administration client to perform IBM Traveler specific administration tasks, such as viewing devices and changing device settings.

If you use the Domino® administrator client to open LotusTraveler.nsf in this mode, you will be notified that the selected view is obsolete, and that the IBM Traveler web based administration must be used. In High Availability mode, the administration data is no longer stored in the stand-alone LotusTraveler.nsf database. Instead it is stored in the enterprise database that is accessed by all IBM Traveler servers in the pool. Note that you may still use the Domino® administrator client to perform Domino® server specific configuration changes.

When launching the web based administration client, you can connect directly to any IBM Traveler server in the pool and you will see the same view of the data as all IBM Traveler servers.

Servers view

The Servers view is available in the web based administration application if the IBM Traveler server is configured for High Availability. This view will show the following information and can be used to check on the availability of servers in the pool.
Table 1. Servers View

Column

Description

Domino® Name

The Domino® server name of the IBM Traveler server

Server Status

Available - the server is running

Unavailable - the server task is not running or the server is unreachable

Availability Index

0 to 100: The server is available. 100 means 100% available, 0 is 0% available.

-100 to -1: The server is constrained due to load or resource availability. It will continue to process existing syncs but new syncs will not start. -100 is most constrained where -1 is least constrained.

-200: The server is running but it is not available for work from the load balancer. It will continue to handle users that have been explicitly bound to run on this server.

For more information, see Load balancing considerations.

Number of Users

Number of users currently running on this server

Heartbeat

Timestamp of the last time this server recorded that it was still alive. If the server is shutdown normally, then this value will be empty. Under normal operation, each IBM Traveler server updates the heartbeat every 60 seconds.

Build Level

The version and build number of the IBM Traveler server.

Host

Fully qualified internet host name.

Port

TCP Port number used in server to server communication for load balancing and session routing.

IP Address

IP address of the server that is used for server to server communication and session routing.

Using Console commands

There are several Domino® console commands that are useful for administering a IBM Traveler server pool. See Console commands and High Availability commands for more details on commands specific to a server pool.