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CONTAP-668958: ARP false positives on VMware volumes from encryption-percentage analysis

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Issue

  • On ONTAP 9.16.1 and later, ARP can raise a ransomware alert on a VMware NFS datastore or SAN volume during normal VM activity.
  • System Manager may list multiple .lck files.
  • he alert is raised by encryption-percentage analysis of the virtual disks.
  • The .lck file-extension behavior in CONTAP-264501 is different and already fixed in ONTAP 9.17.1.

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