Upgrading the HP-UX operating system
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Upgrading the HP-UX operating system

Upgrade the HP-UX operating system from HP-UX 11i v2 to HP-UX 11i v3, if necessary, on each node using Hewlett-Packard's update-ux utility. Refer to Hewlett-Packard's documentation for details regarding this utility.

Warning:

On PA-RISC architecture, some VCS agents may dump core after the operating system is upgraded from HP-UX 11i v2 to HP-UX 11i v3 using the update-ux command.

This is because on PA-RISC architecture, the default thread stack size is limited to 64k. When the agent requires more than 64k stack memory, it may dump core due to SIGBUS error.

Refer to the Veritas Cluster Server Release Notes for more information on this issue.
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