You should follow certain guidelines to ensure that your storage system upgrade goes smoothly.
It contains important information that could affect the behavior of your system during and after upgrading.
If a quota initialization is in process prior to upgrading, wait for the initialization to finish.
You can set the telnet.distinct.enable option, which enables you to open a Telnet or SSH-interactive session while the download command is running separately on the console. For more information about alternative methods of accessing the storage system, see the Data ONTAP System Administration Guide for 7-Mode.