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https://issues.apache.org/jira/browse/AMQ-8266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344331#comment-17344331
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Jean-Baptiste Onofré commented on AMQ-8266:
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Did you try to use a lease locker ?
Did you check that your NFS mount has the sync option ?
> ActiveMQ broker has two master when nfs server restart
> ------------------------------------------------------
>
> Key: AMQ-8266
> URL: https://issues.apache.org/jira/browse/AMQ-8266
> Project: ActiveMQ
> Issue Type: Bug
> Components: AMQP
> Affects Versions: 5.16.1
> Environment: activeMQ version:5.16.1
> linux OS version：CentOS7 kernel: 3.10.0-1160.21.1.el7.x86_64
> deploy: three server node, one master two slave.
> Reporter: chenxianpao
> Priority: Major
>
> we use nfs-ganesha(ceph) to provide shared file system, enable active and
> standby nfs-ganesha to provide services through vip.
> when we restart active nfs-ganesha server, vip migrate to the standby
> nfs-ganesha, one of activemq will become master, but the original master will
> not become a slave, so there will be two master activemq, a cluster will be
> divided into two.
>
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