关于rac中 ocssd 进程

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The ocssd  process is spawned bythe cssdagent process. It runs in both vendor clusterware and non-vendor clusterware environments.  OCSSD's primary job is inter-node healthmonitoring and RDBMS instance endpoint discovery. The health monitoringincludes a network heartbeat and a disk heartbeat (to the voting files).  The ocssd process can also evict a node afterescalation of a member kill from a client (such as a database LMON process).