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    • wafl.dir.surrpair.filename in EMS for volume with UTF-8 language - Active IQ Wellness Incident
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/wafl_dir_surrpair_filename_in_EMS_for_volume_with_utf8_language_Active_IQ_Wellness_Incident
      Applies to ONTAP 9 Risk Summary Creating, accessing or modifying files may fail, if file names contain non-regular characters, e.g. emojis
    • EMS message for duplicate IP address (netinet.ethr.duplct.ipAdrr:error)
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/EMS_message_for_duplicate_IP_address_netinet_ethr_duplct_ipAdrr_error
      KB article covers the causes and solution steps when EMS message for duplicate IP address (netinet.ethr.duplct.ipAdrr:error) is seen and there is intermittent network connectivity in new vserver.
    • The two IP addresses used by the node's RDB Sitelist are connected to the same cluster switch - Active IQ Wellness Risk
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/The_two_IP_addresses_used_by_the_node_s_RDB_Sitelist_are_connected_to_the_same_cluster_switch_Active_IQ_Wellness_Risk
      All of the cluster LIFs configured on a node should be evenly balanced between both switches. When the sitelist IP configuration does not connect to two different cluster interconnect switches, then t...All of the cluster LIFs configured on a node should be evenly balanced between both switches. When the sitelist IP configuration does not connect to two different cluster interconnect switches, then the node is NOT configured for full redundancy over the cluster interconnect. The two cluster interfaces listed in ONTAP's sitelist table for each node are on separate switches. The cluster network interfaces in the sitelist table on each node are distributed evenly between two cluster switches:
    • OCUM End of Support notification
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/OCUM_End_of_Support_notification
      OnCommand Unified Manager has reached End of Support The time period where NetApp provides full support for a version of a software product including: technical support, root cause analysis, security ...OnCommand Unified Manager has reached End of Support The time period where NetApp provides full support for a version of a software product including: technical support, root cause analysis, security vulnerability evaluation, documentation, and software available online and Service Updates (P-releases). The date marking the end of Limited Support for a particular feature version of a product and transition to Self-Service Support. End of Full Support End of Version Support
    • Native VLAN ports show degraded after upgrade to ONTAP 9.13.1
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Native_VLAN_ports_show_degraded_after_upgrade_to_ONTAP_9.13.1
      Native VLAN ports show degraded due to L2_reachability after upgrading to ONTAP 9.13.1 and later.
    • AIQUM End of Support notification
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/AIQUM_End_of_Support_notification
      Active IQ Unified Manager has reached End of Support The time period where NetApp provides full support for a version of a software product including: technical support, root cause analysis, security ...Active IQ Unified Manager has reached End of Support The time period where NetApp provides full support for a version of a software product including: technical support, root cause analysis, security vulnerability evaluation, documentation, and software available online and Service Updates (P-releases). The date marking the end of Limited Support for a particular feature version of a product and transition to Self-Service Support. End of Full Support End of Version Support
    • Active IQ Wellness Risk: ONTAP reports error when communicating with SP/BMC
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Active_IQ_Wellness_Risk_ONTAP_reports_error_when_communicating_with_SP_BMC
      Active IQ risk ONTAP 9 SP API Service AFF A900, ASA A900, FAS9500 AFF A320 AFF A220, AFF A150, ASA A150, AFF C190, FAS2720, FAS2750 AFF A800, AFF C800, ASA A800, ASA C800 AFF A700, FAS9000 AFF A200, A...Active IQ risk ONTAP 9 SP API Service AFF A900, ASA A900, FAS9500 AFF A320 AFF A220, AFF A150, ASA A150, AFF C190, FAS2720, FAS2750 AFF A800, AFF C800, ASA A800, ASA C800 AFF A700, FAS9000 AFF A200, AFF A300, FAS8200, FAS2620, FAS2650 Risk Summary ONTAP is reporting communication errors with the SP/BMC related to the API Service. SP/BMC commands failing ANDU validation, "Shelves and Sensors" will fail when ANDU tries to check the SP/BMC status Automated or Manual SP/BMC firmware fails to update
    • Active IQ Wellness Risk: NFSv4.2 may receive 'invalid argument' intermittently or on upgrade
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Active_IQ_Wellness_Risk_NFSv42_may_receive_invalid_argument_intermittently_or_on_upgrade
      9.12.1RC1 -> 9.12.1P11 NFSv4.2 Risk Summary If vserver nfs modify -v4.2-xattrs was manually enabled, this risk can be ignored NFSv4.2 clients accessing SVMs, created before 9.12.1RC1 having -v4.2-xatt...9.12.1RC1 -> 9.12.1P11 NFSv4.2 Risk Summary If vserver nfs modify -v4.2-xattrs was manually enabled, this risk can be ignored NFSv4.2 clients accessing SVMs, created before 9.12.1RC1 having -v4.2-xattrs enabled, are not informed that the server's extended attributes option vserver nfs modify -v4.2-xattrs has changed This causes NFS response errors to specific xattr calls when the client and server mismatch This can lead to NFS data, files and directories, not being accessible
    • SyncMirror resync speed setting - Active IQ Wellness Risk
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/SyncMirror_resync_speed_setting_-_Active_IQ_Wellness_Risk
      Applies to ONTAP 9 MetroCluster Risk Summary SyncMirror resync might be running slow after a SyncMirror plex failure or when initializing a SyncMirror relationship. As a best practice, NetApp recommen...Applies to ONTAP 9 MetroCluster Risk Summary SyncMirror resync might be running slow after a SyncMirror plex failure or when initializing a SyncMirror relationship. As a best practice, NetApp recommends setting this option to 4 on AFF/ASA platforms for releases higher than ONTAP 9.5. Starting ONTAP 9.11.1 SyncMirror resync speed is set to a default value of 4 compared to a earlier setting of 1.
    • 'WAFL inconsistent' aggregate or volume: Active IQ Wellness
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/WAFL_inconsistent_aggregate_or_volume__Active_IQ_Wellness
      ​ ​ ​ Applies to ONTAP WAFL filesystem Risk Summary ONTAP may set an aggregate or flexible volume 'WAFL inconsistent' when the system encounters a problem with WAFL that is non-recoverable using the n...​ ​ ​ Applies to ONTAP WAFL filesystem Risk Summary ONTAP may set an aggregate or flexible volume 'WAFL inconsistent' when the system encounters a problem with WAFL that is non-recoverable using the non-disruptive and automatic corrective mechanisms built into ONTAP.
    • Active IQ Wellness: Up to High Impact - This system is reporting a high average CPU utilization
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Active_IQ_Wellness__Up_to_High_Impact_This_system_is_reporting_a_high_average_CPU_utilization
      As the utilization of the system increases as measured by CPU utilization, the latency of I/O operations may increase which might result in impact to performance of applications using the systems. If ...As the utilization of the system increases as measured by CPU utilization, the latency of I/O operations may increase which might result in impact to performance of applications using the systems. If CPU utilization is consistently above 60% per node (If ONTAP release is 7-Mode or 9.6 or earlier) or 70% per node (if ONTAP release is 9.7 or later) the recommendation would be to review workloads and relocate workloads to less busy nodes.