When you install VCS using the installvcs program, to install and configure the entire cluster at one time, make sure that communication between systems exists. By default the installer uses ssh
. You must grant permissions for the system where you run installvcs program to issue ssh
or rsh
commands as root on all systems in the cluster. If ssh
is used to communicate between systems, it must be configured in a way such that it operates without requests for passwords or passphrases. Similarly, rsh
must be configured in such a way to not prompt for passwords.
If system communication is not possible between systems using ssh
or rsh
, you have recourse.
See Performing VCS installation in a secure environment.
Caution
The rsh
and ssh
commands to the remote systems, where VCS is to be installed, must not print any extraneous characters.