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 Managing Serviceguard Fifteenth Edition > Appendix E Software Upgrades

Guidelines for Non-Rolling Upgrade
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Do a non-rolling upgrade if:

  • Your cluster does not meet the requirements for rolling upgrade as specified in the Release Notes for the target version of Serviceguard; or

  • The limitations imposed by rolling upgrades make it impractical for you to do a rolling upgrade (see “Limitations of Rolling Upgrades ”); or

  • For some other reason you need or prefer to bring the cluster down before performing the upgrade.

Migrating Cluster Lock PV Device File Names

If you use cluster lock volumes, and you have decided to migrate the device file names used by the cluster nodes to the HP-UX 11i v3 agile addressing scheme (see “About Device File Names (Device Special Files)”), use the procedures under “Updating the Cluster Lock Configuration”.

Other Considerations

See also “Keeping Kernels Consistent” and “Migrating cmclnodelist entries from A.11.15 or earlier”.



Example of a Rolling Upgrade
  		 


Performing a Non-Rolling Upgrade  
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