After performing a controller upgrade on an HA pair in an ONTAP 9.5 cluster, you want to decommission the old systems.
Which statement is correct in this scenario?
A . Ask the customer to log in to http://mysupport.netapp.com and decommission the old systems.
B . The systems do not need to be decommissioned because the serial numbers are overtaken by the new systems.
C . Decommissioning is done automatically when the systems no longer send AutoSupport messages.
D . Open a Priority 1 technical case with NetApp Global Support and specify “Decommission” in the title.
Answer: A
Explanation:
Reference: https://library.netapp.com/ecm/ecm_download_file/ECMLP2659356 (105)