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Why after ONTAP upgrade the raid.resync.num_concurrent_ios_per_rg changed to 16?

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Applies to

  • ONTAP 9.15.1+
  • MetroCluster

Answer

  • Starting in ONTAP 9.15.1 the default value of option raid.resync.num_concurrent_ios_per_rg changed to 16
  • This will increase resync speed without manual intervention

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