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Upgrade controllers

ONTAP Hardware Upgrade Documentation
Choose your controller hardware upgrade procedure
Upgrade by using ARL
Upgrade by moving volumes or storage
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Stage 4 overview

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- Upgrade by using ARL
  - Use "system controller replace" commands to upgrade controller hardware introduced in ONTAP 9.15.1
    - 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
    - Move, delete, or create SAN LIFS
  - Upgrade AFF A250 to AFF A400 by converting to a drive shelf

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During Stage 4, you record node2 information for use later in the procedure and then retire node2.

Steps

Record node2 information
Retire node2

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