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For communication between Group Services daemons within an operational domain, the Group Services subsystem uses a single UDP port number. This port number is recorded in the Global ODM. This value is set during HACMP installation and configuration. \r\n\r\nThis intra-domain port number is also set in the /etc/services file, using the service name grpsvcs.cluster_name, where cluster_name is the name of the HACMP cluster. The /etc/services file is updated on all nodes in the cluster. The Group Services daemon obtains the port number from the /etc/services file during initialization. \r\n\r\nThe Group Services subsystem uses the following directories: \r\n\r\n/var/ha/lck, for lock files \r\n/var/ha/log, for log files \r\n/var/ha/run, for Group Services daemon current working directories \r\n/var/ha/soc, for socket files. |
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