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    • HA interconnect procedure guide for ASA, AFF and FAS platforms
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_interconnect_procedure_guide_for_ASA_AFF_and_FAS_platforms
      ASA A1K, ASA A90, ASA A70 AFF A1K, AFF A90, AFF A70, AFF C80 ASA A50, ASA A30, ASA A20 AFF A50, AFF A30, AFF A20, AFF C60, AFF C30 ASA A800, ASA C800 AFF A800, AFF C800 ASA A400, ASA C400 ASA A250, AS...ASA A1K, ASA A90, ASA A70 AFF A1K, AFF A90, AFF A70, AFF C80 ASA A50, ASA A30, ASA A20 AFF A50, AFF A30, AFF A20, AFF C60, AFF C30 ASA A800, ASA C800 AFF A800, AFF C800 ASA A400, ASA C400 ASA A250, ASA C250 AFF A400, AFF C400 ASA AFF A700 ASA AFF A220 AFF A250, AFF C250 AFF A150, AFF A220, AFF C190 The HA interconnect provides connectivity within each HA pair to provide partner checks and mirror write I/O transactions.
    • Why do EBS volume show as offline in the AWS EC2 console after a CVO HA upgrade?
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Why_do_EBS_volume_show_as_offline_in_the_AWS_EC2_console_after_a_CVO_HA_upgrade
      Applies to Cloud Volumes ONTAP (CVO) HA pair Cloud Manager AWS (Amazon Web Services) EC2 (Elastic Compute Cloud) console EBS (Elastic Block Store) Issue AWS CVO HA-pair upgraded using Cloud Manager. A...Applies to Cloud Volumes ONTAP (CVO) HA pair Cloud Manager AWS (Amazon Web Services) EC2 (Elastic Compute Cloud) console EBS (Elastic Block Store) Issue AWS CVO HA-pair upgraded using Cloud Manager. AWS EC2 console shows the EBS volume of the EC2 instances hosting AWS CVO as offline for short time after upgrade complete.
    • Cloud Volumes ONTAP HA for AWS NVRAM Performance
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Cloud_Volumes_ONTAP_HA_for_AWS_NVRAM_Performance
      Applies to Cloud Volumes ONTAP (CVO) High Availability (HA) Amazon Web Services (AWS) Issue When CVO is used in an HA configuration on AWS with ONTAP 9.8 or earlier, increased NVRAM latency may be obs...Applies to Cloud Volumes ONTAP (CVO) High Availability (HA) Amazon Web Services (AWS) Issue When CVO is used in an HA configuration on AWS with ONTAP 9.8 or earlier, increased NVRAM latency may be observed
    • Why does AFF or ASA storage config show as Single-Path HA
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Why_does_AFF_or_ASA_storage_config_show_as_Single-Path_HA
      NetApp Release 9.7P4: Fri May 22 20:45:51 EDT 2020 System ID: 0123456789 (aff-a800-01); partner ID: 0123456780 (aff-a800-02) System Serial Number: 952016123456 (aff-a800-01) System Rev: C3 System Stor...NetApp Release 9.7P4: Fri May 22 20:45:51 EDT 2020 System ID: 0123456789 (aff-a800-01); partner ID: 0123456780 (aff-a800-02) System Serial Number: 952016123456 (aff-a800-01) System Rev: C3 System Storage Configuration: Single-Path HA System ACP Connectivity: Inband Active SAS2/SAS3 Mixed Stack Support: all All-Flash Optimized: true Capacity Optimized: false All SAN Array: false Backplane Part Number: 1A21RNK00+A0 Backplane Serial Number: SHFGB00000000 . . slot 0: Virtual NVMe Host Adapter 0n 0 …
    • iSCSI LUN failover does not happen during node or port failure
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/iSCSI_LUN_failover_fails_during_node_port_failure
      Applies to Data ONTAP 7 mode Issue LUN failover was not initiated automatically after home node/port is offline.
    • ONTAP Select instance rebooted due to partial write failure
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/ONTAP_Select_instance_rebooted_due_to_partial_write_failure
      ONTAP Select instance rebooted due to partial write failure: EMS: iscsi_session_stateChanged iscsi_session_state="Reconnecting" iscsi_target="iqn.2012-06.com.bsdctl:target0" iscsi_target_type="partner...ONTAP Select instance rebooted due to partial write failure: EMS: iscsi_session_stateChanged iscsi_session_state="Reconnecting" iscsi_target="iqn.2012-06.com.bsdctl:target0" iscsi_target_type="partner2" iscsi_target_address="<partner_ip>:65200" iscsi_session_state_change_reason="Reason: no ping reply after 5 seconds."
    • Why is there no option for takeover / giveback in System Manager 9.8?
      https://kb.netapp.com/on-prem/ontap/DM/System_Manager/SM-KBs/Why_is_there_no_option_for_takeover_giveback_in_System_Manager_9.8
      ONTAP System Manager (OSM) Takeover and giveback happen automatically when rebooting nodes. System Manager in Cluster > Settings uses reboot and shutdown commands to perform takeover / giveback of dat...ONTAP System Manager (OSM) Takeover and giveback happen automatically when rebooting nodes. System Manager in Cluster > Settings uses reboot and shutdown commands to perform takeover / giveback of data services. reboot will perform a takeover, reboot the node and automatically perform a giveback. shutdown will perform a takeover, and drop the system to the loader prompt requiring console access. Use CLI to perform a manual takeover for maintenance reasons. Test takeover and giveback
    • HA mode, but takeover of partner is disabled
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_mode_but_takeover_of_partner_is_disabled
      Applies to ONTAP 9 Issue cf.takeover.disabled alert is repeating from both the nodes. Example: Tue Jun 25 01:00:01 [node_name: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is d...Applies to ONTAP 9 Issue cf.takeover.disabled alert is repeating from both the nodes. Example: Tue Jun 25 01:00:01 [node_name: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is disabled.
    • How to interpret presets.haosc loader variable in ONTAP
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_interpret_presets.haosc__loader_variable_in_ONTAP
      Applies to All ONTAP platforms except the following: A900, A700, FAS9500, FAS9000 Description These models store the HA configuration as an environment variable. They are updated when the "ha-config m...Applies to All ONTAP platforms except the following: A900, A700, FAS9500, FAS9000 Description These models store the HA configuration as an environment variable. They are updated when the "ha-config modify" command is performed within maintenance mode. The environment variable should never be manually modified.
    • Unable to move a Brocade Switch port
      https://kb.netapp.com/on-prem/Switches/Brocade-KBs/Unable_to_move_a_Brocade_Switch_port
      Applies to Brocade Issue Problem while moving a switch port. The following error is generated: XXXXXXXXXXXX:FID128:admin> lscfg --config xxx -slot x -port This operation requires that the affected por...Applies to Brocade Issue Problem while moving a switch port. The following error is generated: XXXXXXXXXXXX:FID128:admin> lscfg --config xxx -slot x -port This operation requires that the affected ports be disabled. Would you like to continue [y/n]?: y Making this configuration change. Please wait... lscfg: The system is not ready for Logical Switch management operations. Please try again shortly.