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    • SMB and other services hung from Windows Server after ONTAP upgrade to 9.6 or 9.7
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/SMB_and_other_services_hung_from_Windows_Server_after_ONTAP_upgrade_to_9.6_or_9.7
      Applies to ONTAP 9.6 and 9.7 Windows 2012 and 2016 ECN enabled network Issue After an ONTAP upgrade to 9.6 or 9.7, access to storage controller services is hung or shows extreme high latency from cert...Applies to ONTAP 9.6 and 9.7 Windows 2012 and 2016 ECN enabled network Issue After an ONTAP upgrade to 9.6 or 9.7, access to storage controller services is hung or shows extreme high latency from certain windows server systems.
    • McAfee using high CPU when enabled
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/McAfee_using_high_CPU_when_enabled
      Applies to McAfee for storage 1.03 ONTAP AV-Connector 1.04 Cloud Volume ONTAP 9.7P3 (CVO) Issue After enabling McAfee for ONTAP, CPU utilization jumps to 100%.
    • Higher than expected SSD latency due to 6Gb SAS shelves and cables
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Higher_than_expected_SSD_latency_due_to_6Gb_SAS_shelves_and_cables
      cluster1::> qos statistics volume latency show -vserver svm1 -volume vol1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM --------------- ------ ---------- ---------- ---------- --...cluster1::> qos statistics volume latency show -vserver svm1 -volume vol1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 4.71ms 185.00us 7.00us 468.00us 4.04ms 0ms 0ms 11.00us vol1-wid32140 32140 22.22ms 86.00us 125.00us 904.00us 21.11ms 0ms 0ms 1.00us -total- - 4.58ms 253.00us 7.00us 991.00us 3.32ms 0ms 0ms 11.00us vol1-wid32140 32140 29.69ms 90.00us 162…
    • CCIEGEN timeskew has been detected on FlexGroup
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/CCIEGEN_timeskew_has_been_detected_on_FlexGroup
      Applies to ONTAP 9.6 ONTAP 9.7 Issue Alert issued on FlexGroup timeskew. Fri Feb 12 08:14:59 -0800 [node-06: wafl_exempt11: fg.cciegen.timeskew.detected:alert]: A CCIEGEN timeskew has been detected on...Applies to ONTAP 9.6 ONTAP 9.7 Issue Alert issued on FlexGroup timeskew. Fri Feb 12 08:14:59 -0800 [node-06: wafl_exempt11: fg.cciegen.timeskew.detected:alert]: A CCIEGEN timeskew has been detected on FlexGroup ABCD_FG. The local time is set to Fri, 12 Feb 2021 16:14:59 GMT but the CCIEGEN wake time is set to Fri, 12 Feb 2021 16:14:58 GMT.
    • Very high lun latency reported in OCUM 9.5 or earlier after upgrading to ONTAP 9.7
      https://kb.netapp.com/Legacy/OnCommand_Suite/Very_high_lun_latency_reported_in_OCUM_9.5_or_earlier_after_upgrading_to_ONTAP__9.7
      Applies to ActiveIQ Unified Manager (AIQUM) 9.6 OnCommand Unified Manager(OCUM) 7.2 OnCommand Unified Manager(OCUM) 7.3 OnCommand Unified Manager(OCUM) 9.4 OnCommand Unified Manager(OCUM) 9.5 Issue Da...Applies to ActiveIQ Unified Manager (AIQUM) 9.6 OnCommand Unified Manager(OCUM) 7.2 OnCommand Unified Manager(OCUM) 7.3 OnCommand Unified Manager(OCUM) 9.4 OnCommand Unified Manager(OCUM) 9.5 Issue Data ONTAP was upgraded from 9.3 to 9.7 and OCUM reported lun latency as high as 25000ms with hardly any workload. Checking the same lun/volume in QOS real time showed latency less than 2ms.
    • FabricPool:  Aborted due to PUT failure error with Scality
      https://kb.netapp.com/on-prem/ontap/DM/FabricPool/FabricPool-KBs/FabricPool__Aborted_due_to_PUT_failure_error_with_Scality
      Applies to FabricPool ONTAP 9.7 Scality 7.6 Issue Profiler connectivity test is aborted due to PUT failure cluster::*> storage aggregate object-store profiler show Object store config name: S3Bucket_S...Applies to FabricPool ONTAP 9.7 Scality 7.6 Issue Profiler connectivity test is aborted due to PUT failure cluster::*> storage aggregate object-store profiler show Object store config name: S3Bucket_Scality Node name: cluster-01 Status: Aborted due to PUT failure Start time: 10/9/2020 14:30:59 Op Size Total Failed Latency(ms) Throughput min max avg PUT 4MB 51 51 33 2941 2867 0B GET 4KB 0 0 0 0 0 0B GET 8KB 0 0 0 0 0 0B GET 32KB 0 0 0 0 0 0B GET 256KB 0 0 0 0 0 0B 5 entries were displayed.
    • How to configure BES-53248 ports for port mirroring
      https://kb.netapp.com/on-prem/Switches/Broadcom-KBs/How_to_configure_BES-53248_ports_for_port_mirroring
      Applies to Broadcom EFOS BES-53248 Description This article describes how configure a port of a Broadcom BES-53248 switch for port mirroring.
    • SVM-DR update fails with Internal network error after upgrading to ONTAP 9.7
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SVM-DR_update_fails_with_Internal_network_error_after_upgrading_to_ONTAP_9.7
      After upgrade to ONTAP 9.7 SVM DR relationships' updates fails with: SVM:Vol1 SVM_DR:Vol1 Transfer failed. (Replication operation request failed from Cluster Id: <UUID>, Node Id: <UUID> to Cluster Id:...After upgrade to ONTAP 9.7 SVM DR relationships' updates fails with: SVM:Vol1 SVM_DR:Vol1 Transfer failed. (Replication operation request failed from Cluster Id: <UUID>, Node Id: <UUID> to Cluster Id: <UUID>, Node Id: <UUID> due to a network error (CSM: An operation did not complete within the specified timeout window.)) Transfer failed.
    • NFSv4 mount hung on UNIX Volume or Qtree
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/NFSv4_mount_hung_on_UNIX_Volume_or_Qtree
      NFS client hangs when attempting to mount the UNIX Qtree or Volume with nfs4. The SecD log shows name mapping for UNIX user root failure with transient errors. [kern_secd:info:17708] [ 0 ms] Determine...NFS client hangs when attempting to mount the UNIX Qtree or Volume with nfs4. The SecD log shows name mapping for UNIX user root failure with transient errors. [kern_secd:info:17708] [ 0 ms] Determined UNIX id 0 is UNIX user 'root' [kern_secd:info:17708] [ 0] Trying to map 'root' to Windows user 'root' using implicit mapping [kern_secd:info:17708] **[ 144] FAILURE: Name mapping for UNIX user 'root' failed with transient errors.