Symantec Veritas 5 - Manual (Page 30)

■ The system clocks of the root broker and authentication brokers must be in
sync.
The installvcs program provides the following configuration modes:
The root broker system must allow rsh or ssh passwordless login to
use this mode. Automatic mode
This mode requires encrypted files (BLOB files) from the AT
administrator to configure a cluster in secure mode.
The nodes in the cluster must allow rsh or ssh passwordless login.
See “Setting up inter-system communication” on page 44.
Semi-automatic
mode
This mode requires root_hash file and the root broker information
from the AT administrator to configure a cluster in secure mode.
The nodes in the cluster must allow rsh or ssh passwordless login.
See “Setting up inter-system communication” on page 44.
Manual mode
Figure 3-1 depicts the flow of configuring VCS cluster in secure mode.
Preparing to install VCS
Preparing to configure the clusters in secure mode 30