Name of the instance 

Nametag used as an identifier for the instance. The log messages generated by Sun Cluster refer to this nametag. The hadsconfig(1M) command prefixes the package name to the value you supply here. For example, if you specify nsmsg, the hadsconfig(1M) command produces SUNWscnsm_nsmsg.

Logical host 

Name of logical host that provides service for this instance of Sun Cluster HA for Netscape Mail. 

Base directory of product installation 

Rooted path name specifying the location on the multihost disk of the Netscape Messaging Server installation. This is the "instance path," for example, /hahost1/nms-hahost1.

Takeover flag 

Specifies whether a failure of this instance will cause a takeover or failover of the logical host associated with the data service instance. Possible values are y (yes), n (no).