Avoid downtime when upgrading Spectrum in a Distributed, Fault Tolerant environment.
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Article ID: 144472
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Products
CA Spectrum
Issue/Introduction
Avoid downtime when upgrading Spectrum in a Distributed, Fault-Tolerant environment.
Environment
Release: 20.2.x
Component: SPCCSS - SpectroSERVER Core
Resolution
If you have Fault Tolerance, you can avoid downtime of a Distributed Spectrum System upgrade as follows:
- Have all the users log into one set of OneClick systems
- Shutdown the Primary and all other OneClick systems that are not being used. Users will be failed over to the secondary systems.
- Upgrade the Primary and OneClick systems that were shutdown MLS, SS and then OC.
- Start the upgraded Primary and OneClick systems
- Have users log out of the old OneClick systems and log into the new upgraded OneClick systems
- Shutdown the Secondary and other OneClick systems that have not been upgraded and upgrade
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