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CONTAP-639105: Fabricpool Mirror enhancements

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Issue

Fabricpool data migration from one cloud tier into another is based these steps within the in ONTAP Fabricpool cluster:

  • Mirror Primary object-store cloud-tier bucket to a fresh Mirror cloud tier
  • Promote Mirror cloud tier to Primary
  • Unmirror the original Primary (now Mirror) cloud tier


The challenges with this process are:
  • Metrocluster already requires a Fabricpool mirror for protecting the DR-Partner node from Fabricpool cloud tier access loss during a site outage with Metrocluster Switchover
  • Only one Fabricpool Mirror cloud tier can exist at one time, so the procedure to migrate data in a Metrocluster causes a longer time without protection as we cannot attach a 2nd mirror cloud tier
  • The unmirror operation is not abort'able, even if the original cloud tier bucket is being decommissioned afterwards anyways. This can cause weeks of wait time during migration projects

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