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Space reclamation does not occur on Storage with Trident host

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Applies to

  • ONTAP 9
  • Trident
  • RHEL
  • SCSI UNMAP

Issue

  • Space reclamation has never occurred on storage since the time it was set up with Trident host
  • There's a mismatch between the space on ontap and on trident after creating a lun and deleting data.
  • luns are thin provisioned with space-allocation set to enabled.
  • All the luns are created from the host.

 

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