Sun Java System Message Queue 4.1 Administration Guide

Displaying the Cluster Configuration

To display information about a cluster’s configuration, use the Command utility’s list bkr subcommand:

   imqcmd list bkr

This lists the current status of all brokers included in the cluster to which a given broker belongs, as shown in Example 8–1 (for a conventional cluster) or Example 8–2 (for an HA cluster).


Example 8–1 Configuration Listing for a Conventional Cluster


Listing all the brokers in the cluster that the following broker is a member of:

-------------------------
Host         Primary Port
-------------------------
localHost    7676

Cluster Is Highly Available             False

-------------------------
Address         State
---------------------
whippet:7676    OPERATING
greyhound:7676  OPERATING



Example 8–2 Configuration Listing for an HA Cluster


Listing all the brokers in the cluster that the following broker is a member of:

----------------------------------------------
Host         Primary Port    Cluster Broker ID
----------------------------------------------
localHost    7676            brokerA

Cluster ID                              myClusterID
Cluster Is Highly Available             True

--------------------------------------------------------------------------------------------------------------
                                                                           ID of broker       Time since last
Broker ID       Address         State                   Msgs in store   performing takeover   status timestamp
--------------------------------------------------------------------------------------------------------------
brokerA         localhost:7676  OPERATING               121                                   30 sec
brokerB         greyhound:7676  TAKEOVER_STARTED        52              brokerA               3 hrs
brokerC         jpgserv:7676    SHUTDOWN_STARTED        12346                                 10 sec
brokerD         icdev:7676      TAKEOVER_COMPLETE       0               brokerA               2 min
brokerE         mrperf:7676     *unknown                12                                    0 sec
brokerG         iclab1:7676     QUIESCING               4                                     2 sec
brokerH         iclab2:7676     QUIESCE_COMPLETE        8                                     5 sec