Hi Jack:
the answer to your second question is yes, because you only have one DB,
;-).
about you first question there are some platforms on which the distribution
of binaries to all the nodes goes wrong but with 8.1.7.4 on tru64 it doesn't
( as far as I know ;-))
You will be pretty safe if you
I assume that the existing 8.1.7.0 environment is already running OPS.
In that case, the 8.1.7.4 patchset should apply successfully.
If it is a TruCluster 5.x or higher, it would be a Cluster File System, in
which
case it would most probably be a single ORACLE_HOME shared by both nodes.
[I have a