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File system tuneables

Tuneable parameters are updated at the time of mount using the tunefstab file or vxtunefs command. The file system tunefs parameters are set to be identical on all nodes by propagating the parameters to each cluster node. When the file system is mounted on the node, the tunefs parameters of the primary node are used. The tunefstab file on the node is used if this is the first node to mount the file system. Symantec recommends that this file be identical on each node.