HP Storage Mirroring Software - Manual (Page 46)

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Communication Ports
The Storage Mirroring service and the Failover Control Center use two ports for various Storage Mirroring communications.
! Service Transmit Port —The Failover Control Center uses this port to send commands to Storage Mirroring servers.
! Heartbeat Listen Port —The Failover Control Center uses this port to listen for heartbeats transmitted from Storage
Mirroring servers.
To view or modify the port settings in the Failover Control Center, select Settings , Communications .
NOTE: Since the Management Console and the Failover Control Center share port settings, if the Storage Mirroring
service is restarted, changes to the port settings that were made in the Failover Control Center are reflected
in the Management Console.
If the Storage Mirroring service is not restarted, the changes will occur in the Failover Control Center only.