Review maintenance prerequisites and operating guidelines before changing Cisco Optical Site Manager instances or managed NCS 2000 devices during maintenance activities.
Review these prerequisites and guidelines before executing maintenance procedures.
Cisco Optical Site Manager maintenance prerequisites
Satisfy these prerequisites before executing any maintenance procedures:
-
Always preserve a valid backup of the 25.x database before upgrading to release 26.x.
-
In release 26.x, maintain regularly updated backups of both the Cisco Optical Site Manager database and XML configuration files.
General guidelines
Follow these guidelines during maintenance operations:
-
Execute maintenance procedures during a planned maintenance window.
-
Ensure network connectivity between Cisco Optical Site Manager, Cisco Optical Network Controller, and all managed devices.
-
Verify that no critical alarms are present in Cisco Optical Site Manager or Cisco Optical Network Controller.
-
Follow the deployment design defined during the planning phase (e.g., Cisco Optical Site Manager instance mapping, UID allocation).
-
Validate each step before proceeding to the next one.
-
In case of failure, stop the procedure and resolve the issue before continuing.
-
Avoid performing multiple operations in parallel on the same Cisco Optical Site Manager instance.