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Upgrade controllers

Upgrade the node pair

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To upgrade the node pair, you must prepare the original nodes and then perform a series of steps on both the original and new nodes. You can then decommission the original nodes.

Steps

  1. Stage 1: Prepare for upgrade

  2. Stage 2: Relocate and retire node1

  3. Stage 3: Install and boot node3

  4. Stage 4: Record information and retire node2

  5. Stage 5: Install and boot node4

  6. Stage 6: Complete the upgrade