This task applies to anyone who is installing HP XC System Software Version 3.1 on
an HP XC system that is already installed with an older version of
the HP XC System Software. Bypass this task If you are installing HP XC System Software Version 3.1 on
new hardware for the first time.
Before using the procedures described in this document
to install and configure HP XC System Software Version 3.1, HP recommends that you perform
the following tasks on existing HP XC systems running older versions of the HP XC System Software:
Use your preferred backup solution to perform a full backup of
the head node, which you can do while the head node is up and when jobs are
running.
If the /hptc_cluster file system
is located on an HP StorageWorks Scalable File Server (SFS), back up the SFS
server as well.
Preserve local user accounts.
If your hardware configuration contains HP Integrity head nodes,
prepare all client nodes to network boot rather than boot from local disk:
Follow the procedures outlined in the remainder of this document.
Because you already have a running HP XC system, some preparation
tasks might not apply to your situation. Regardless, HP recommends that you
read through every task described in this document and perform those that
apply to your system configuration.
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