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    • What interfaces are used for ZAPIs
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/What_interfaces_are_used_for_ZAPIs
      There are two, depending on whether the API operates on Cluster-owned objects or Vserver-owned objects: These APIs are executed against the cluster-mgmt LIF using Cluster Admin credentials. These APIs...There are two, depending on whether the API operates on Cluster-owned objects or Vserver-owned objects: These APIs are executed against the cluster-mgmt LIF using Cluster Admin credentials. These APIs are either executed against a "vserver management" LIF (A LIF in the Vserver with role=data and data-protocols=none) using Vserver Admin credentials, or against the cluster-mgmt LIF with Cluster Admin credentials and a Vserver tunnel argument supplied on the connection.
    • ZAPI  timeout since ONTAP upgrade
      https://kb.netapp.com/on-prem/ontap/DM/REST-API/REST_API_KBs/ZAPI__timeout_since_ONTAP_upgrade
      SP or BMC, verify that the partner node is running, check if pings from SP or BMC to partner node work, check if hw-assist keep-alives are normal, check that network ports are Verify that the SP or BM...SP or BMC, verify that the partner node is running, check if pings from SP or BMC to partner node work, check if hw-assist keep-alives are normal, check that network ports are Verify that the SP or BMC is online, verify that api-service is enabled on the SP or BMC, verify that the partner node is running, check if pings from SP or BMC to partner node work, check if hw-assist keep-alives are normal, check that network ports are configured
    • Interpreting REST API parameters
      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
    • ONTAP API to CLI Mapping
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/ONTAP_API_to_CLI_Mapping
      Ontap API to Ontap command MAP. API to command Mapping, the security login role show-ontapi command displays Data ONTAP APIs (ONTAPIs) and the CLI commands that they are mapped to.
    • ONTAP API to REST Mapping
      https://kb.netapp.com/on-prem/ontap/DM/REST-API/REST_API_KBs/ONTAP_API_to_REST_Mapping
      ONTAPI to REST Mapping - Transition from ONTAPI to REST.
    • Unified Manager cluster discovery stuck due to unresponsive quota-report-iter ZAPI Call
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/Unified_Manager_cluster_discovery_stuck_due_to_unresponsive_quota-report-iter_ZAPI_Call
      Oncommand Unified Manager 9.5 and below ActiveIQ Unified Manager 9.6 and above Cluster discovery is always "in progress" for one cluster in UM Extensive execution time and returned records in foundati...Oncommand Unified Manager 9.5 and below ActiveIQ Unified Manager 9.6 and above Cluster discovery is always "in progress" for one cluster in UM Extensive execution time and returned records in foundation poll recordings under log_netappfoundation_xxxx_iterator_response_time.txt datasource, zapi, timestamp, max-records, iterations, total-clock-time, total-zapi-time, total-invocations, total-records, returned-records-list
    • How to access and display CLI and ZAPI performance data in ONTAP 9
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/How_to_access_and_display_CLI_and_ZAPI_performance_data_in_ONTAP_9
      Applies to ONTAP 9 Description CLI and ZAPI performance information is now viewable and configurable at the CLI Data output includes Session info Command logging Command latency Per user information A...Applies to ONTAP 9 Description CLI and ZAPI performance information is now viewable and configurable at the CLI Data output includes Session info Command logging Command latency Per user information Administrator tasks are also available Session/command throttling/blocking Session termination
    • ONTAPI errors slow down System Manager login
      https://kb.netapp.com/on-prem/ontap/DM/System_Manager/SM-KBs/ONTAPI_errors_slow_down_System_Manager_login
      Applies to ONTAP System Manager Issue It takes several minutes to log in to System Manager AUDIT-MLOG-TXT.GZ reports many errors: Mon Feb 26 2024 11:58:57 +00:00 [kern_audit:info:7149] 8503e8000010105...Applies to ONTAP System Manager Issue It takes several minutes to log in to System Manager AUDIT-MLOG-TXT.GZ reports many errors: Mon Feb 26 2024 11:58:57 +00:00 [kern_audit:info:7149] 8503e8000010105e :: <CLUSTER>:ontapi :: <CLIENT-IP>:<PORT> :: <CLUSTER>:<USER> :: POST /servlets/netapp.servlets.admin.XMLrequest_filer HTTP/1.0 :: Error: 502 Proxy Error
    • High CPU due to large number of volume-list-info zapi calls
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/High_CPU_due_to_large_number_of_volume-list-info_zapi_calls
      [date] [mpm_event:notice] [pid x:tid x] Holding a connection from ipspace ID -1, remote address <client_ip> while 119 others are held and 80 are active [date] [mpm_event:notice] [pid x:tid x] A keepal...[date] [mpm_event:notice] [pid x:tid x] Holding a connection from ipspace ID -1, remote address <client_ip> while 119 others are held and 80 are active [date] [mpm_event:notice] [pid x:tid x] A keepalive connection from ipspace ID -1, remote address <client_ip> is being suspended between requests while the 80-connection limit has been reached. (80 active, 120 waiting) Clients should limit the number of concurrent keepalive connections to avoid large performance penalties and/or failures.
    • Unified Manager cluster discovery stuck due to unresponsive Zapi calls
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/Unified_Manager_cluster_discovery_stuck_due_to_unresponsive_Zapi_calls
      Applies to Oncommand Unified Manager 9.5 and below ActiveIQ Unified Manager 9.6 and above Cluster discovery stuck for one cluster in UM Extensive execution time and returned records for different ZAPI...Applies to Oncommand Unified Manager 9.5 and below ActiveIQ Unified Manager 9.6 and above Cluster discovery stuck for one cluster in UM Extensive execution time and returned records for different ZAPI calls in foundation poll recordings under log_netappfoundation_xxxx_iterator_response_time.txt Some of the known ZAPI calls exhibiting the behavior are: datasource, zapi, timestamp, max-records, iterations, total-clock-time, total-zapi-time, total-invocations, total-records, returned-records-list
    • Data Infrastructure Insights ONTAP data collection fails with Operation not completed in given time
      https://kb.netapp.com/Cloud/BlueXP/DII/Data_Infrastructure_Insights_ONTAP_data_collection_fails_with_Operation_not_completed_in_given_time
      Operation not completed in given time ([Device name ]: Operation not completed in given time) 2023-11-01 19:01:46,552 ERROR [com.onaro.sanscreen.acquisition.framework.datasource.BaseDataSource] collec...Operation not completed in given time ([Device name ]: Operation not completed in given time) 2023-11-01 19:01:46,552 ERROR [com.onaro.sanscreen.acquisition.framework.datasource.BaseDataSource] collector_name [Internal error] - Operation not completed in given time: Cannot track new closable on a timer which has already run out. ([Device name ]: Operation not completed in given time: Cannot track new closable on a timer which has already run out.)