ALERT: Some images may not load properly within the Knowledge Base Article. If you see a broken image, please right-click and select 'Open image in a new tab'. We apologize for this inconvenience.
Avoid downtime when upgrading Spectrum in a Distributed, Fault Tolerant environment.
book
Article ID: 144472
calendar_today
Updated On:
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