Chapter 7. Implementing highly available brokers 201
Figure 7-1 WebSphere MQ Cluster and brokers
7.1.2 Using hardware failover for high-availability in brokers
WebSphere BI Message Broker and its underlying queue manager and database
can be configured to be highly available by exploiting operating system support
for failure detection and failover to a standby machine. A hardware failover
configuration for the broker resources is not discussed in this book, however it
would be similar to one of the HA scenarios presented earlier. The queue
manager housing the broker would be recovered using one of the methods
wmq1 wmq2
External
Disks
qmgr1
/var/mqm/wmq2
(3601)
/var/mqm/wmq1
(clussdr) TO.qmqr2
(clusrcvr) TO.qmqr1
cq
/var/mqm/wmq1
qmgr2
(3602)
/var/mqm/wmq2
TO.qmqr2 (clusrcvr)
TO.qmqr5 (clussdr)
brk1
/var/mqm/brk1
(clussdr) TO.qmqr5
TO.qmqr4
qmgr4
(3603)
brk2
cq
/var/mqm/brk2
TO.qmqr2 (clussdr)
TO.qmqr5 (clusrcvr)
qmgr5
(3604)
R
R
was
qmgr3
(3600)
TO.qmqr2
TO.qmgr3
(clusrcvr)
broker1 broker2
DB2
DB2
Config
mgr
config
(1414)
(clussdr) TO.qmqr5
(clusrcvr)
TO.config
win6336

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