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    • VMware error message corrupt on-disk heartbeat region detected
      https://kb.netapp.com/data-mgmt/OTV/VSC_Kbs/VMware_error_message_corrupt_on-disk_heartbeat_region_detected
      Applies to VMware using Storage Area Network (SAN) LUN's Issue Virtual Machines (VM's) hang and/or cannot power on. Problems using the datastore browser. Event messages in vSphere Web Client stating a...Applies to VMware using Storage Area Network (SAN) LUN's Issue Virtual Machines (VM's) hang and/or cannot power on. Problems using the datastore browser. Event messages in vSphere Web Client stating a corrupt heartbeat region detected.
    • System shutdown due to SP heartbeat stopped on AFF A250 or FAS500f (BMC 15.3 and earlier)
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/System_shutdown_due_to_SP_heartbeat_stopped_on_AFF_A250_or_FAS500f
      SP heartbeat stopped on AFF A250 or FAS500f causing system shutdown. Article provides steps to resolve the issue and recover the BMC.
    • AFF or FAS system does not detect partner causing failover
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/AFF_or_FAS_system_does_not_detect_partner_causing_failover
      [Nodeb: kernel: netif.linkDown:info]: Ethernet e0a: Link down, check cable. [Nodeb: wafl_exempt17: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_...[Nodeb: kernel: netif.linkDown:info]: Ethernet e0a: Link down, check cable. [Nodeb: wafl_exempt17: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_ONLINE is aborted because of reason NVMM_ERR_IO. ...[Nodeb: cf_main: cf.fsm.takeover.noHeartbeat:alert]: Failover monitor: Takeover initiated after no heartbeat was detected from the partner node. [Nodeb: cf_takeover: cf.fm.takeoverStarted:notice]: Failover monitor: takeover started
    • Takeover due to 'no heartbeat was detected from partner node'
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Takeover_due_to_no_heartbeat_was_detected_from_partner_node
      [Node-01: ctrl_hb_port_ic0a: ctrl.rdma.heartBeat:info]: HA interconnect: Missed heartbeat to 192.0.1.5. [Node-01: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of Node-0...[Node-01: ctrl_hb_port_ic0a: ctrl.rdma.heartBeat:info]: HA interconnect: Missed heartbeat to 192.0.1.5. [Node-01: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of Node-01 by Node-02 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. [Node-01: cf_main: cf.fsm.takeoverCountdown:info]: Failover monitor: takeover scheduled in 10 seconds
    • ESXi host disconnects with vpxd heartbeat timeout
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/ESXi_host_disconnects_with_vpxd_heartbeat_timeout
      Applies to NetApp HCI ESXi 6.x, 7.x VMware vCenter Issue ESXi host intermittently disconnects from vCenter and logs "Agent can't send hearbeats: Host is down"