Workflow for DR NSP system upgrade from Release 22.9 or later
Purpose
Table 9-1, DR system upgrade actions, by NSP cluster lists the sequence of high-level actions involved in the upgrade of a DR Release 22.9 or later NSP system. The table has a separate column for each NSP cluster.
Concurrent task execution
You can perform some upgrade actions on each cluster at the same time. Actions that you can perform concurrently on each cluster are in table rows that span the Primary NSP cluster and Standby NSP cluster columns.
Table 9-1: DR system upgrade actions, by NSP cluster
|
DR mode |
Primary NSP cluster |
Standby NSP cluster |
|---|---|---|
|
D U P L E X |
Perform “How do I display the NSP cluster status?” in the NSP System Administrator Guide to: | |
|
Perform To prepare for an NSP system upgrade from Release 22.9 or laterto do the following: | ||
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The remaining links in the table lead to step sections in To upgrade a Release 22.9 or later NSP cluster. | ||
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Back up NSP deployer host configuration files Disable SELinux enforcing mode Apply OS update to NSP deployer host | ||
|
S I M P L E X |
||
|
O U T A G E |
Apply OS update to NSP cluster VMs |
|
|
S I M P L E X |
||
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Upgrade Kubernetes deployment environment | ||
|
D U P L E X |
Note: The simplex state persists until device discovery is complete. Restore SELinux enforcing mode Remove path-control subscriptions | |