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    • Cluster peer unavailable alerts cpeer.addr.warn.host:alert
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Cluster_peer_unavailable_alerts_cpeer.addr.warn.host_alert
      Mon Jun 22 02:21:00 +08 [[cluster name]: mgwd: cpeer.addr.warn.host:alert]: Address [IP address] is not any of the addresses that peer cluster [cluster name] considers valid for the cluster peer relat...Mon Jun 22 02:21:00 +08 [[cluster name]: mgwd: cpeer.addr.warn.host:alert]: Address [IP address] is not any of the addresses that peer cluster [cluster name] considers valid for the cluster peer relationship; Details: An introductory RPC to the peer address "[IP address]" failed to connect: RPC: Remote system error [from mgwd on node "[cluster name] " (VSID: -3) to xcintro at [IP address]].
    • Cannot establish cluster peering Data connection but ICMP is working
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/Cannot_establish_cluster_peering_Data_connection_but_ICMP_is_working
      [?] Mon Mar 28 00:36:28 +0300 [<cluster_name-02>: mgwd: cpeer.xcm.addr.disc.warn:error]: Address discovery failed for peer cluster <UUID>. Reason: Failed to discover remote addresses: Failed to contac...[?] Mon Mar 28 00:36:28 +0300 [<cluster_name-02>: mgwd: cpeer.xcm.addr.disc.warn:error]: Address discovery failed for peer cluster <UUID>. Reason: Failed to discover remote addresses: Failed to contact peer cluster "<cluster_name>" at addresses: <IP>. RPC: Remote system error [from mgwd on node "<cluster_name-02>" (VSID: -3) to mgwd at <IP>].
    • Rx/Tx errors on switch interlink after upgrade to 3.9.2400
      https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/Rx_Tx_errors_on_switch_interlink_after_upgrade_to_3.9.2400
      Applies to Mellanox SN2010 NetApp HCI Rx/Tx errors in (Inter Peer Link) IPL after switch upgrade to 3.9.2400 MTU inconsistency WebGUI/CLI will show 9216 MTU but members of port channel HW status show ...Applies to Mellanox SN2010 NetApp HCI Rx/Tx errors in (Inter Peer Link) IPL after switch upgrade to 3.9.2400 MTU inconsistency WebGUI/CLI will show 9216 MTU but members of port channel HW status show 1522 Admin state : Enabled Operational state : Up MTU : 9216 bytes (Maximum packet size 9238 bytes) 20|0x10500 | Up| Up| Plugged| Speed|0x00B00000|0x00100000| 100GB_CR4| Post-FEC| 1522 Increase in oversize packets on the switch Eth1/20: 1610 oversize packets Eth1/22: 1189 oversize packets