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    • RDMA connection is down
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/RDMA_connection_is_down
      Wed Aug 11 14:20:39 +0300 [netapp05: nvmm_mirror_sync: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_LAYOUT_SYNCING is aborted because of reason ...Wed Aug 11 14:20:39 +0300 [netapp05: nvmm_mirror_sync: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_LAYOUT_SYNCING is aborted because of reason NVPM_ERR_MSG_SEND_FAILED. Wed Aug 11 14:20:39 +0300 [netapp05: nvmm_error: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_OFFLINE is aborted because of reason NVMM_ABORT_SYNCING_MIRROR.
    • One HA interconnect link shows as down in FAS 8080
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/One_HA_interconnect_link_shows_as_down_in_FAS_8080
      Applies to FAS8080 Issue One HA interconnect link is down: Netapp1::*> system ha interconnect status show Node: sc-cdot18-01 Node: sc-cdot18-02 Link 0 Status: down Link 1 Status: up Is Link 0 Active: ...Applies to FAS8080 Issue One HA interconnect link is down: Netapp1::*> system ha interconnect status show Node: sc-cdot18-01 Node: sc-cdot18-02 Link 0 Status: down Link 1 Status: up Is Link 0 Active: false Is Link 1 Active: true IC RDMA Connection: up 2 entries were displayed.
    • HA INTERCONNECT DOWN after the head-swap from FAS80x0 to FAS8300
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_INTERCONNECT_DOWN_after_the_head-swap_from_FAS80x0_to_FAS8300
      Applies to FAS8300 Headswap upgrade from FAS80x0 Issue HA interconnect down after FAS8300 head swap. Example: [statd: ic.HAInterconnectDown:error]: HA interconnect: Interconnect down for 769 minutes: ...Applies to FAS8300 Headswap upgrade from FAS80x0 Issue HA interconnect down after FAS8300 head swap. Example: [statd: ic.HAInterconnectDown:error]: HA interconnect: Interconnect down for 769 minutes: all links are down [statd: ems.engine.suppressed:debug]: Event 'callhome.hainterconnect.down' suppressed 11 times in last 39612 seconds. [statd: callhome.hainterconnect.down:alert]: Call home for HA INTERCONNECT DOWN due to all links are down.
    • CVO - HA Group Notification (HA INTERCONNECT DOWN) ALERT
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/CVO_HA_Group_Notification_HA_INTERCONNECT_DOWN_ALERT
      Applies to Cloud Volumes ONTAP Issue Cluster is reporting HA interconnect down: HA Group Notification (HA INTERCONNECT DOWN) ALERT Giveback not possible One node is not accessible
    • 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.
    • AFF A250 fails to boot with Waiting for reservations to clear
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/AFF_A250_fails_to_boot_with_Waiting_for_reservations_to_clear
      Applies to One node fails to boot with repeated: Press Esc-T or Ctrl-D to exit Waiting for reservations to clear HA interconnect links are up in the partner node, but IC RDMA is down: ::*> system ha i...Applies to One node fails to boot with repeated: Press Esc-T or Ctrl-D to exit Waiting for reservations to clear HA interconnect links are up in the partner node, but IC RDMA is down: ::*> system ha interconnect status show The cluster ports are up, in both nodes: [node_name: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is disabled due to reason : HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable.
    • Added FAS500F to existing cluster having HA Interconnect issues
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Added_FAS500F_to_existing_cluster_having_HA_Interconnect_issues
      Attempting to add 2 new FAS500f nodes to an existing cluster. Nodes are able to be added to the cluster successfully. cluster1-01 cluster1-02 true Connected to cluster1-02 cluster1-02 cluster1-01 true...Attempting to add 2 new FAS500f nodes to an existing cluster. Nodes are able to be added to the cluster successfully. cluster1-01 cluster1-02 true Connected to cluster1-02 cluster1-02 cluster1-01 true Connected to cluster1-01 cluster1-03 cluster1-04 true Connected to cluster1-04 cluster1-04 cluster1-03 true Connected to cluster1-03 cluster1-05 cluster1-06 false Waiting for cluster1-06, cluster1-06 cluster1-05 false Waiting for cluster1-05, Takeover is not
    • HA interconnect ports showing in 'network port show'
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_interconnect_ports_showing_in_network_port_show
      vifmgr.port.shareBd: Port e0b is shared with the HA or DR interconnect but has been moved from broadcast domain "Cluster" to broadcast domain "-" of IPspace "Default" Ports e0a / e0b show up in networ...vifmgr.port.shareBd: Port e0b is shared with the HA or DR interconnect but has been moved from broadcast domain "Cluster" to broadcast domain "-" of IPspace "Default" Ports e0a / e0b show up in network port show, These are designated HA ports and should not appear.
    • HA interconnect shows down on single link on AFF A800 using QSFP AVAGO
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_interconnect_shows_down_on_single_link_on_AFF_A800_using_QSFP_AVAGO
      HA interconnect A single node in an HA pair shows a link down on the HA interconnect Cluster::*> ha interconnect port show (system ha interconnect port show) Physical Link Link Layer Layer Physical Ph...HA interconnect A single node in an HA pair shows a link down on the HA interconnect Cluster::*> ha interconnect port show (system ha interconnect port show) Physical Link Link Layer Layer Physical Physical Active Node Monitor Port State State Link Up Link Down Link sysconfig -a does not populate the transceiver information for this port QSFP Vendor: AVAGO QSFP Part Number: 332-00440 QSFP Serial Number: AF2047GU01Y QSFP Vendor: QSFP Part Number: QSFP Serial Number:
    • Unexpected A700s reboot on BMC 1.81 or higher
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Unexpected_A700s_reboot_on_BMC_1.81_or_higher
      A700s node reboots unexpectedly on BMC 1.81 or higher. The Service Processor resets the node and partner takes over.
    • HA interconnect down on FAS8300
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_interconnect_down_on_FAS8300
      Applies to FAS8300 HA interconnect Issue HA interconnect(e0b <> e0b) is down e0b port from Node#2 is unable to recognize the SFP information Node#2 slot 0: Dual 10G/25G Ethernet Controller CX5 e0a MAC...Applies to FAS8300 HA interconnect Issue HA interconnect(e0b <> e0b) is down e0b port from Node#2 is unable to recognize the SFP information Node#2 slot 0: Dual 10G/25G Ethernet Controller CX5 e0a MAC Address: d0:39:ea:xx:xx:xx (auto-25g_cr-fd-up) SFP Vendor: Molex SFP Part Number: 1111455002 SFP Serial Number: xxxxxxxxxxxx e0b MAC Address: d0:39:ea:xx:xx:xx (auto-unknown-fd-down) SFP Vendor: SFP Part Number: SFP Serial Number: Device Type: CX5 PSID(NAP0000000006) Firmware Version: 16.26.4012