eDirectory
Novell Cluster Services
Novell Storage Services (NSS)
The DNS server should be installed on all the nodes in cluster or on the nodes identified for running DNS
Create a NSS Shared Disk partition and cluster-enable it. For more information, refer to Configuring Cluster Resources for Shared NSS Pools and Volumes
in the OES 2 SP3: Novell Cluster Services 1.8.8 Administration Guide for Linux.