Hi,
for every Ontap Release there are release notes available in the donload area. Under "´Requirements for running Data Ontap XX" you can find a list of supported controller models. Example for Ontap 8.2 in 7 Mode:
You need a supported storage system to run the Data ONTAP 8.2 release.
The following FAS systems and V-Series systems are supported:
• 6290
• 6280
• 6250
• 6240
• 6220
• 6210
• 6080
• 6040
• 3270
• 3250
• 3240
• 3220
• 3210
• 3170
• 3160
• 3140
• FAS2240
• FAS2220