Clustered systems provide a uniform computing environment
that is highly scalable, highly available, and secure. It is critical
that there be a single set of authorized users and that these users
be able to have processes executing on any cluster member.
To achieve a uniform computing environment, a cluster relies
on the following components operating across all cluster members:
Lock manager system services ($ENQ/$DEQ)
(to provide a framework for building distributed applications)
File and record management subsystems (coordinated
through the lock manager)
Batch and print services
Process control system services
Security auditing system
Within a cluster, authorization data for users and the security
profiles of objects must be consistent across all nodes so that
each cluster member makes the same access control decision when
presented with a particular user's access request for a particular
object.
Building a Common Environment and
Synchronizing Authorization Data describe
how to achieve a single security domain.
HP OpenVMS Guide to System Security
Security for the System Administrator