A single pair of brokers in an HA replication is insufficient to prevent a split brain. There are several different configurations that can mitigate split brain, for further details see https://activemq.apache.org/components/artemis/documentation/latest/network-isolation.html#network-isolation-split-brain
Regards, Domenico On Wed, 1 Oct 2025 at 14:45, Gunawan, Rahman (GSFC-SEWP)[Halvik Corp] <[email protected]> wrote: > Hi, > > I set *check-for-active-server *to true but when the primary shutdown, > the backup becomes primary. However; when I started the primary server > that was shutdown, it became active, not checking if there are any active > servers so it cause split brain issue. Attached is the broker.xml. > > > > Thanks > > > > *Rahman Gunawan* > > *SITSS Software Developer* > > NASA SEWP / SITSS > > HALV*I*K Corporation > > 7601 Ora Glen Dr, Greenbelt, MD 20770 > > C: 240.444.6003 > O: 301.614.5257 > > [email protected] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > For further information, visit: https://activemq.apache.org/contact >
