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    • Service Processor Error: show failed: RPC: Unable to receive
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Service_Processor_Error__show_failed__RPC__Unable_to_receive
      Service Processor (SP) FW 4.1P2 ::> system service-processor show IP Firmware Node Type Status Configured Version IP Address ------------- ---- ----------- ------------ --------- ---------------------...Service Processor (SP) FW 4.1P2 ::> system service-processor show IP Firmware Node Type Status Configured Version IP Address ------------- ---- ----------- ------------ --------- ------------------------- node_name SP online true 4.1P2 23.1.17.82 Error: show failed: RPC: Unable to receive Number of connection requests for the socket bound to port 935 having the IP ad dress * has reached the limit of 1536 connections. This event has occurred 98 times since the last warning.
    • What does error 'Nblade.invTcpRecordMarker' mean?
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/What_does_error_Nblade.invTcpRecordMarker_mean
      This error is logged in EMS when one of three invalid TCP record markers is received: Invalid reason is TCP_FRAGMENT, invalid record marker is x. Invalid reason is TCP_DATA_LENGTH_OVERFLOW, invalid re...This error is logged in EMS when one of three invalid TCP record markers is received: Invalid reason is TCP_FRAGMENT, invalid record marker is x. Invalid reason is TCP_DATA_LENGTH_OVERFLOW, invalid record marker is x. Nblade.invTcpRecordMarker:error]: Invalid TCP record marker received from remote IP address x.x.x.x on local port xxxx. Invalid reason is TCP_DATA_LENGTH_UNDERFLOW, invalid record marker is x.
    • Linux host cannot mount Network File System (NFS) filesystems due to internal firewall software
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Linux_host_cannot_mount_Network_File_System_NFS_filesystems_due_to_internal_firewall_software
      Linux host software firewall can block NFS traffic to the server.
    • "cifs domain discovered-servers show/reset-servers" command times out
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/cifs_domain_discovered-servers_show_reset-servers_command_times_out
      The command to show or reset the list of discovered domain controllers for the SVM fails with timeout error Error: command failed: The command to re-discover servers failed on Vserver SVM. Thu May 28 ...The command to show or reset the list of discovered domain controllers for the SVM fails with timeout error Error: command failed: The command to re-discover servers failed on Vserver SVM. Thu May 28 04:16:48 UTC [Cluster_01: secd: secd.ldap.noServers:EMERGENCY]: None of the LDAP servers configured for Vserver (SVM_TEST) are currently accessible via the network for LDAP service type (Service: LDAP (Active Directory), Operation: SiteDiscovery).
    • core.VSRPCServ on Element 12.5
      https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/core.VSRPCServ_on_Element_12.5
      Applies to NetApp Element software 12.5 Issue VService core during scsiCommandsAndSession report generation due to large number of volumes/sessions Node will be briefly unresponsive
    • 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>].
    • Portmap service (rpcbind) accessible on port 111 in network configurations
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Portmap_service_rpcbind_was_always_accessible_on_port_111_in_network_configurations
      Applies to ONTAP 9 NFSv3 RPC portmapper Issue Logical interface is listening on TCP port 111 (the portmapper)
    • Job failed: RPC could not make connection to mgwd from primary
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Job_failed__RPC_could_not_make_connection_to_mgwd_from_primary
      Applies to ONTAP 9.x Node Unjoin Issue Node unjoin command fails with the error: Job failed: RPC could not make connection to mgwd from primary