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    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Can_space_usage_without_space_saving_mechanisms_be_viewed_on_a_NAS_client
      Applies to ONTAP 9 CIFS Answer Free space and space utilization seen from a client's perspective will always take into account space savings mechanisms(compression/compaction/deduplication). Additiona...Applies to ONTAP 9 CIFS Answer Free space and space utilization seen from a client's perspective will always take into account space savings mechanisms(compression/compaction/deduplication). Additional Information How to see space savings from deduplication, compression, and compaction in ONTAP 9
    • https://kb.netapp.com/hybrid/StorageGRID/Object_Mgmt/Is_it_possible_to_verify_space_savings_on_StorageGRID_when_compression_is_enabled
      Applies to NetApp StorageGRID NetApp StorageGRID appliance Answer No, StorageGRID is not having a mechanism to check physical space savings after compression is enabled. The grid has no knowledge of o...Applies to NetApp StorageGRID NetApp StorageGRID appliance Answer No, StorageGRID is not having a mechanism to check physical space savings after compression is enabled. The grid has no knowledge of original object size vs. size on disk The compression is only visible in the global view but not in the tenant view Appliance is only aware of space consumed and reports accordingly Additional Information How to verify that StorageGRID compression is functioning
    • https://kb.netapp.com/on-prem/ontap/DM/Efficiency/Efficiency-KBs/How_to_see_space_savings_from_deduplication_compression_and_compaction_in_ONTAP_9
      Applies to ONTAP 9 Description Space is saved by deduplication (volume and aggregate level), compression (volume level), and compaction (reported at aggregate level under deduplication) This happens i...Applies to ONTAP 9 Description Space is saved by deduplication (volume and aggregate level), compression (volume level), and compaction (reported at aggregate level under deduplication) This happens inline (as data is written) or post-operation (scheduled jobs) Commands can be run in ONTAP 9 CLI to see the reported space savings