HP-UX SNAplus2 R7 Upgrade Guide (September 2005)

Upgrading from Earlier Versions of SNAplus2 to R7
Phased Upgrade of a Running Client/Server System
Chapter 216
For each Windows client in turn, use the procedure in “Upgrading a
Windows Client”.
Changing the Configuration during the Upgrade
Process
While the network contains both Release 6 and Release 7 computers, you
can manage both using Release 6 administration tools, as long as you are
not using any new Release 7 features.
CAUTION If you use the Release 7 administration tools to configure new features
on Release 7 servers, and then subsequently use Release 6 tools, the
configuration information for the new features will be lost.
Adding New Servers or Clients During the Upgrade
Process
If you need to add a new computer, either a server or a client, to the
SNAplus2 system while you are in the process of upgrading it, you can do
either of the following:
Install the R6 software on this computer. This procedure ensures
that the new computer can access the resources of all servers, both
Release 6 and Release 7, as soon as it is installed. You then need to
upgrade it later to the new release. Add the machine in the same way
you added the existing servers and clients, following the same order
as described earlier in this section (servers in order of precedence,
and then clients). If you are adding a server, this server cannot
become a master or backup server until it is upgraded (because you
cannot change the sna.net file on back-level servers during the
upgrade process).
Alternatively, you can install the Release 7 software on this
computer. Installing this software will avoid having to upgrade later,
but it means that the new computer can access only resources on
Release 7 servers (either new or upgraded).