Upgrade to Element 12.3 or 12.5 is taking several hours per node
Applies to
- All SF-Series and H-Series models
- Upgrades from NetApp Element software 12.2 or 12.3 to NetApp Element software 12.3 or 12.5
Issue
- Upgrade of some nodes takes hours to complete
- Cluster logs present an error:
MaintenanceModeManagerError: At least one unresolved blocking cluster fault exists or the cluster does not have enough tolerance for node maintenance.