When you use the DR Series system CLI system --upgrade command, the DR Series system looks in this known directory/store location for the DRSeries_payload.tar.gz file, and starts the system software upgrade process.
Once you have located the license file for expansion shelf enclosure use WinSCP to copy it to the /store/license, which is a location known by the DR Series system software.
License file is valid and can be installed.
To add a validated license for a data storage expansion shelf (enclosure), use the following DR Series system CLI command:
system --license --add License file has successfully installed.