User's Guide

1 CLIM Software Compatibility Overview
RVU Upgrade Consideration: When upgrading from one RVU to another, all CLIMs must be updated
to the minimum supported CLIM DVD version as indicated in this document. If a downgrade to a
prior RVU is required, then a downgrade to a prior CLIM DVD version might be required.
Downgrade to a prior CLIM DVD version requires a reimage of the CLIM. This process can take
a substantial time (one hour for two CLIMs) and should be accounted for in any maintenance
window. The procedure to downgrade to a prior CLIM DVD version is documented in the J06.xx
or H06.nn Software Installation and Upgrade Guide for the RVU.
It is HP's intention that any future CLIM DVD version be compatible with the RVU with which it was
released and all prior RVUs back to and including J06.06/H06.17. When a system is at one of
those RVUs, a reimage of the CLIM will not be required to downgrade to a prior RVU unless the
reason for the downgrade is a problem with the CLIM DVD software.
Any deviation in the backward compatibility of all future CLIM DVD versions to preceding RVUs
(J06.06/H06.17 or later) will be announced with an update to this document.
A new CLIM that is to be added to an existing configuration (replacement or addition) might be
shipped with a CLIM DVD version that is not compatible with the RVU running on your NonStop
system. If that occurs, that CLIM must be updated or downgraded to a compatible CLIM version.
The Software Installation and Upgrade Guide for the RVU describes how to determine the version
of a CLIM. Normally, this update, if required, is done by your service representative.
NOTE: HP considers it a best practice to have all CLIMs on a system running the same CLIM
DVD version.
CLIM software installation does not update the CLIM firmware. CLIM firmware must be verified
through the OSM Service Connection and can be updated either through the OSM Service
Connection or by using the Down System CLIM Firmware Update Tool in conjunction with the OSM
Service Connection. The Down System CLIM Firmware Update Tool method provides a more
efficient update process for updating CLIM firmware that can be used when you are planning to
bring the NonStop system down. The CLIM Down System CLIM Firmware Update Tool is installed
on NonStop system consoles as part of the OSM Console Tools product T0634 G06 ABB and
later.
See...For more information about:
NonStop Firmware MatricesCLIM firmware versions and compatibility
NonStop Cluster I/O Protocols (CIP) Configuration and
Management Manual and the online help available from
Performing CLIM firmware updates
within the OSM Service Connection and the Down System
CLIM Firmware Update Tool
NonStop System Console Installer Guide. If already
installed on the NonStop system console, it is launched
Installing or accessing the Down System CLIM Firmware
Update Tool
from the Windows Start menu by selecting All Programs >
HP OSM > Down System Firmware Update Tool.
8 CLIM Software Compatibility Overview