4.1.2 DSR ISO Administration
This section provides the steps to upload the new DSR ISO to the NOAMs
and then transfer the ISO to all the servers to be upgraded.
Note:
ISO transfers to the target systems may require a significant amount of time depending on the number of systems and the speed of the network. These factors may significantly affect total time needed and require the scheduling of multiple maintenance windows to complete the entire upgrade procedure. The ISO transfers to the target systems should be performed before, and outside of, the scheduled maintenance window. Schedule the required maintenance windows accordingly before proceeding.