Your Windows clients were able to access your CIFS SVM yesterday. Today they are no longer able to access the CIFS SVM on your NetApp cluster. Your IT security team just pushed out a new group policy to enhance security.
In this scenario, which statement is true?
A customer will need to perform an upgrade from 9.0 to 9.4.
Which feature of ONTAP enables nondisruptive hardware maintenance for this upgrade?