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    • https://kb.netapp.com/on-prem/ontap/DM/REST-API/REST_API_KBs/Interpreting_REST_API_parameters
      Rest API to Ontap command MAP, Rest API to ONTAPI MAP
    • https://kb.netapp.com/Cloud/Astra/Trident/SNMP_trap_related_to_heartbeat_is_sent_from_ONTAP_where_Trident_backend_is_configured
      TRAP agent:<AGENT_IP> community:public generic:6 enterprise:netapp specific:156 timestamp:<TIMESTAMP> varbind:(productTrapData.0 [2 234 0] trident-controller-<UUID>: trident 1: (1) heartbeat: {"versio...TRAP agent:<AGENT_IP> community:public generic:6 enterprise:netapp specific:156 timestamp:<TIMESTAMP> varbind:(productTrapData.0 [2 234 0] trident-controller-<UUID>: trident 1: (1) heartbeat: {"version":"23.10.0","backendUUID":"<UUID>","platform":"","platformVersion":"","plugin":"ontap-nas","svm":"<SVM>","storagePrefix":"trident_"})(productSerialNum.0 [2 11 0] <SERIAL_NO>))
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/How_to_Assess_Disk_Response_Times_in_ONTAP
      Applies to ONTAP 9 Data ONTAP 7-Mode Description This article describes how to use the statit command and the different columns to understand disk utilization, latency, and operation size.
    • https://kb.netapp.com/on-prem/E-Series/Management-Apps-KBs/SMcli_internal_error_code_12_after_1-2_weeks
      Applies to E-Series Linux SANtricity Storage Manager 11.50 and above Issue Storage Manager command line interface (SMcli) is called every few minutes in a script to check status of multiple arrays Aft...Applies to E-Series Linux SANtricity Storage Manager 11.50 and above Issue Storage Manager command line interface (SMcli) is called every few minutes in a script to check status of multiple arrays After sometime the application will not work and will not start again until complete cleanup of SMcli files and re-install Example: Every few minutes running this script against say 45 arrays on the same SMcli application instance. SMcli -n E2624-AMS -c "show storageArray healthstatus;"
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Why_Does_NetApp_Harvest_Report_High_Usage_Times_for_WAFL_Cleaning
      The NetApp Harvest performance monitoring tool may report high system utilization for "WAFL Write Cleaning": "WAFL Write Cleaning" is NetApp Harvest's terminology for the time the controller spent pro...The NetApp Harvest performance monitoring tool may report high system utilization for "WAFL Write Cleaning": "WAFL Write Cleaning" is NetApp Harvest's terminology for the time the controller spent processing Consistency Points (CP) The presence of high system utilization due to WAFL Write Cleaning is not indicative of a performance problem; it is a completely normal performance state
    • https://kb.netapp.com/Legacy/NetApp_HCI/OS/How_to_update_a_storage_admin_password_for_monitoring_services_on_mNode_with_Element_software_11.3_or_later
      Element management node (mNode) 11.3 or later This article describes the procedure to update storage cluster admin password for monitoring services on the mNode 11.3 or later releases This procedure i...Element management node (mNode) 11.3 or later This article describes the procedure to update storage cluster admin password for monitoring services on the mNode 11.3 or later releases This procedure is required after changing the storage admin password on the cluster, as the cluster will stop reporting to Active IQ without the proper credentials If the authentication issue is present, the container log for the collector (mnode-aiq-collector, as collected via Swagger or HCC) will show:
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Can_you_exclude_folders_from_triggering_events_in_Fpolicy_configuration
      Applies to ONTAP 9 Fpolicy Answer In ONTAP, you have the option to exclude from file access monitoring on share level and/or volume level, but not on folder level Please read the ONTAP 9 documentation...Applies to ONTAP 9 Fpolicy Answer In ONTAP, you have the option to exclude from file access monitoring on share level and/or volume level, but not on folder level Please read the ONTAP 9 documentation for further details Additional Information additionalInformation_text
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Monitoring_system_is_triggering_alert_for_a_CVO_volume_crossing_the_threshold_limits
      clus-1::> qos statistics volume latency show Policy Group Latency Network Cluster Data Disk QoS NVRAM Cloud -------------------- ---------- ---------- ---------- ---------- ---------- ---------- -----...clus-1::> qos statistics volume latency show Policy Group Latency Network Cluster Data Disk QoS NVRAM Cloud -------------------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- 95.92ms 199.00us 0ms 679.00us 799.00us 0ms 0ms 94.24ms policy1 95.92ms 199.00us 0ms 679.00us 799.00us 0ms 0ms 94.24ms -total- 82.95ms 218.00us 0ms 676.00us 60.00us 0ms 0ms 82.00ms policy1 82.95ms 218.00us 0ms 676.00us 60.00us 0ms 0ms 82.00ms -total- 60.21ms 212.00us 0ms 498…
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/What_are_common_performance_terms
      Utilization - A measurement of the amount of time in a sample period that a given resource was utilized; utilization is a useful metric of performance, but for Data ONTAP should not be the primary met...Utilization - A measurement of the amount of time in a sample period that a given resource was utilized; utilization is a useful metric of performance, but for Data ONTAP should not be the primary metric Note: This is an example showing how to optimize the throughput by increasing the concurrency from the client side, assuming that 1ms latency is already good enough and there is no room for further improvement from a latency perspective.
    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Where_are_the_invalid_unknown_user_login_attempt_via_SSH_recorded
      Description: This message occurs when a user tries to establish a Secure Shell (SSH) connection to a storage system and does not provide the password within the allotted timeout period. Corrective Act...Description: This message occurs when a user tries to establish a Secure Shell (SSH) connection to a storage system and does not provide the password within the allotted timeout period. Corrective Action: If the remote host is retrying the SSH connection repeatedly, block the remote host by adding its IP address to the deny list using the "firewall policy" command.