Tag Archives: VAAI

Working with FreeNAS 9.3 Block VAAI Primitives

FreeNAS 9.3 now fully supports all 7 VAAI (vStorage APIs for Array Integration) block primitives:

  • Atomic Test & Set (ATS / Hardware Accelerated Locking)
  • XCOPY (Extended Copy / Clone)
  • Write Same (Zero)
  • Dead Space Reclamation (Delete / UNMAP)
  • Thin Provisioning LUN Reporting
  • Thin Provisioning Space Threshold Warning
  • Thin Provisioning Stun

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