• Upgrade by using ARL
  • Use "system controller replace" commands to upgrade controller hardware introduced in ONTAP 9.15.1 and later
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate and retire node1
    • Stage 3. Install and boot node3
    • Stage 4. Relocate and retire node2
    • Stage 5. Install and boot node4
    • Stage 6. Complete the upgrade
    • Troubleshoot
  • Use "system controller replace" commands to upgrade controller models in the same chassis
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate resources and retire node1
      • Replace the node1 system modules
    • Stage 3. Boot node1 with the replacement system modules
    • Stage 4. Relocate resources and retire node2
    • Stage 5. Install the replacement system modules on node2
      • Install the replacement system modules on node2
    • Stage 6. Boot node2 with the replacement system modules
    • Stage 7. Complete the upgrade
    • Troubleshoot
  • Use "system controller replace" commands to upgrade controller hardware running ONTAP 9.8 or later
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate and retire node1
    • Stage 3. Install and boot node3
    • Stage 4. Relocate and retire node2
    • Stage 5. Install and boot node4
    • Stage 6. Complete the upgrade
    • Troubleshoot
  • Use "system controller replace" commands to upgrade controller hardware running ONTAP 9.5 to 9.7
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate and retire node1
    • Stage 3. Install and boot node3
    • Stage 4. Relocate and retire node2
    • Stage 5. Install and boot node4
    • Stage 6. Complete the upgrade
    • Troubleshoot
  • Manually upgrade controller hardware running ONTAP 9.8 or later
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate and retire node1
    • Stage 3. Install and boot node3
    • Stage 4. Record information and retire node2
    • Stage 5. Install and boot node4
    • Stage 6. Complete the upgrade
    • Troubleshoot
  • Manually upgrade controller hardware running ONTAP 9.7 or earlier
    • Reconfigure the FC switch layout for ONTAP 9.1 or later
    • Stage 1. Prepare for upgrade
    • Stage 2. Relocate and retire node1
    • Stage 3. Install and boot node3
    • Stage 4. Record information and retire node2
    • Stage 5. Install and boot node4
    • Stage 6. Complete the upgrade
    • Troubleshoot

• Upgrade by moving volumes or storage
  • Upgrade by moving storage
    • Optional - Move internal storage or convert to drive shelf
    • Complete upgrade
      • Complete in ONTAP 9.8 or later
      • Complete in ONTAP 9.7 or earlier
  • Upgrade by moving volumes
  • Upgrade AFF A250 to AFF A400
  • Upgrade from FAS2820