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When "upgrading" a Data Protector (DP) cell, the supported procedure differs depending on the version to "upgrade" from.
A migration means a new cell manager is installed and the data from the old cell is migrated to the new cell. This migration is a manual process as opposed to what is known from the "classical" upgrade. A classical upgrade means running an installation on the existing cell which will detect the existing IDB and take care of the upgrade automatically.
Currently there are 2 important DP versions to keep in mind when deciding on the "upgrade" process.
The 11.01 documentation is specifying the migration process from earlier versions to 11.01: Migrate Cell Manager.
So, the different options to upgrade/migrate are:
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