Managing High Availability
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Add a new HBase master to an existing cluster

  1. Log in to the Ambari management interface as a cluster administrator.
  2. In Ambari Web, browse to Services > HBase.
  3. In Service Actions, click + Add HBase Master.
  4. Choose the host on which to install the additional HBase master; then click Confirm Add.
Ambari installs the new HBase Master and reconfigures HBase to manage multiple Master instances.
Add a standby HBase master to the cluster.