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    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/FS_Issues/CONTAP-311736
      Issue In the EMS logs: Nblade.CifsOperationTimedOut: Detected a timed out CIFS operation. SMB command for this operation: SMB2_COM_READ, Number of times this command was suspended: 6 The slowness happ...Issue In the EMS logs: Nblade.CifsOperationTimedOut: Detected a timed out CIFS operation. SMB command for this operation: SMB2_COM_READ, Number of times this command was suspended: 6 The slowness happens during backup window for production workloads. High latency is seen in qos statistics volume latency show in the Data column for the affected volume(s).