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Subsequent on-demand scan consuming more time and rescanning the same files
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Subsequent_on-demand_scan_consuming_more_time_and_rescanning_the_same_files
Applies to ONTAP 9 VSCAN Issue On-demand scan enabled on the volume gets completed successfully. Subsequent scan takes more time to complete and does a rescan of all the files.

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