HP StorageWorks Clustered File System (software-only) 3.6.1 Windows Storage Server Edition upgrade guide (T4422 - 96001, August 2008)

Chapter 4: Non-Rolling Upgrades 30
20. Back up the cluster configuration on each server in group B as
described under “Back Up the Existing Cluster” on page 9.
21. On each group B server, uninstall any hot fixes for HP Clustered File
System or FS Option for Windows that have been applied to the
system. You can use the Control Panel Add/Remove Programs
interface to do this. The hotfixes must be removed before you uninstall
FS Option for Windows and HP Clustered File System.
22. On each server in group B, uninstall FS Option for Windows. Use the
Control Panel Add/Remove Programs interface to do this. Also
uninstall the stand-alone HP CFS Management Console (mxconsole) if
it is installed.On each server in group B, uninstall the previous version
of HP Clustered File System. Use Start > HP Clustered Gateway >
Uninstall HP CFS. Select the checkbox to “Keep the existing HP
Clustered File System configuration.” You will need to reboot the
server when the “reboot” popup message appears.
NOTE: Do not use the Add/Remove Programs option on the Control
Panel to remove HP Clustered File System. This method will
remove your cluster configuration. To use Add/Remove
Programs to remove HP Clustered File System, use the
“Change” option and then select “Keep the existing HP
Clustered File System configuration.”
23. On each server in group B, upgrade or reinstall the operating system
and/or service pack if necessary.
24. If you will be adding third-party MPIO software to the cluster, install
it on each server in group B according to the product documentation.
25. On each server in group B, upgrade HBA drivers if necessary.
26. If necessary, reboot the servers in group B. (You will need to reboot the
servers if this step is required by an operating system upgrade or if
you installed a new HBA driver in step 30.)
27. If you upgraded or reinstalled the operating system on the servers in
group B, run the HP mxcheck utility on the servers. This utility
verifies that the server’s configuration meets the requirements for
running HP Clustered File System.