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    • Slower than expected file volume transfer over NFS
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Slower_than_expected_file_volume_transfer_over_NFS
      Applies to ONTAP 9 Issue Slower than expected throughput over NFS from multiple clients is seen rsync jobs are slow from multiple hosts with total throughput less than total network bandwidth Network ...Applies to ONTAP 9 Issue Slower than expected throughput over NFS from multiple clients is seen rsync jobs are slow from multiple hosts with total throughput less than total network bandwidth Network bandwidth is using a bonded interface so it should be able to get 40 Gbps with 4 10GbE ports trunked together
    • LACP port down due to mismatched peer keys
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/LACP_port_down_due_to_mismatched_peer_keys
      ONTAP has received differing keys from the LACP peer, leading to one or more interfaces not being active in the ifgrp and showing as down: The LACP peer is sending two different keys (0036 vs 0037) wh...ONTAP has received differing keys from the LACP peer, leading to one or more interfaces not being active in the ifgrp and showing as down: The LACP peer is sending two different keys (0036 vs 0037) which is leaving only one interface in the ifgrp in the ACTIVE state: All ports in an LACP ifgrp must receive the same key from the LACP peer to be ACTIVE in the ifgrp.
    • Only LACP ifgrp member ports attached to one switch come up
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Only_LACP_ifgrp_member_ports_attached_to_one_switch_come_up
      Lack of multi-chassis lagg config on the switch causes only a subset of ifgrp member ports to participate in the ifgrp Member ports with different SystemIDs than that in the "lag id" section are conne...Lack of multi-chassis lagg config on the switch causes only a subset of ifgrp member ports to participate in the ifgrp Member ports with different SystemIDs than that in the "lag id" section are connected to switch ports which are not part of the same port channel configuration on the switch
    • Can LACP mode be changed without disruption?
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Can_LACP_mode_be_changed_without_disruption
      Applies to ONTAP 9 Answer It is not possible to change the LACP mode on existing IFGRP, the IFGRP must be deleted and recreated See Can an interface group (IFGRP) be modified after it is created? for ...Applies to ONTAP 9 Answer It is not possible to change the LACP mode on existing IFGRP, the IFGRP must be deleted and recreated See Can an interface group (IFGRP) be modified after it is created? for command to recreate the IFGRP Additional Information
    • SolidFire Bond10G goes down when flapping an interface during troubleshooting
      https://kb.netapp.com/on-prem/solidfire/hardware_Kbs/SolidFire_Bond10G_goes_down_when_flapping_an_interface_during_troubleshooting
      Applies to NetApp SolidFire Mellanox switches Cisco switches VMware vSphere Issue A storage node goes down when flapping eth0 or eth1 link manually during troubleshooting or when a switch is rebooted ...Applies to NetApp SolidFire Mellanox switches Cisco switches VMware vSphere Issue A storage node goes down when flapping eth0 or eth1 link manually during troubleshooting or when a switch is rebooted during maintenance or power outage This results in partial to full loss of access to volumes hosted on the node On occasions, this can also trigger mtuCheckFailure errors in NetApp SolidFire Active IQ
    • network port ifgrp show - command output displays "Port Participation: partial" for one of the ports
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/The_output_of_the_command_network_port_ifgrp_show_displays
      Link Aggregation Control Protocol LACP Version: 0x01 TLV Type: Actor Information (0x01) TLV Length: 0x14 Actor System Priority: 32768 Actor System ID: HewlettP_24:e4:83 (d8:94:03:xx:yy:zz) <------ thi...Link Aggregation Control Protocol LACP Version: 0x01 TLV Type: Actor Information (0x01) TLV Length: 0x14 Actor System Priority: 32768 Actor System ID: HewlettP_24:e4:83 (d8:94:03:xx:yy:zz) <------ this is the MAC address of the switch Actor Key: 5 Actor Port Priority: 32768 Actor Port: 41 Actor State: 0x01, LACP Activity .... ...1 = LACP Activity: Active .... ..0. = LACP Timeout: Long Timeout .... .0.. = Aggregation: Individual <------------------------------------------------------------ .... …
    • Link down on Intel 10G Ethernet IX1-SFP+ card after upgrading to 9.6P6
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Link_down_on_Intel_10G_Ethernet_IX1-SFP__card_after_upgrading_to_9.6P6
      After a reboot while running ONTAP 9.6+ some ports go down for a Intel 10G Ethernet IX1-SFP+ card. Example of outputs for the "sysconfig -a". In the second one, the ifgroup changes to "partial" with o...After a reboot while running ONTAP 9.6+ some ports go down for a Intel 10G Ethernet IX1-SFP+ card. Example of outputs for the "sysconfig -a". In the second one, the ifgroup changes to "partial" with one port down.
    • Bond10G stops responding when shutting down one of the Bond10G ports manually
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/Bond10G_stops_responding_when_shutting_down_one_of_the_Bond10G_ports_manually
      Applies to NetApp Element software Issue When you shutdown one interface with ifconfig ethX down command the entire Bond10G stops responding
    • Installation of StorageGRID SG1000 fails at "Install OS" step
      https://kb.netapp.com/hybrid/StorageGRID/Platforms/Installation_of_StorageGRID_SG1000_fails_at_Install_OS_step
      Applies to SG1000 appliances Issue During installation of SG1000 appliance, the installer fails at 2: Install OS Step "Configure Installer"
    • How to change Bonding mode from ALB, or ActivePassive to LACP on a SolidFire Storage Node
      https://kb.netapp.com/on-prem/solidfire/hardware_Kbs/How_to_change_Bonding_mode_from_ALB_or_ActivePassive_to_LACP_on_a_SolidFire_Storage_Node
      Applies to NetApp Element Software NetApp SolidFire NetApp HCI Description This article describes how to change the Bonding mode from ALB, or ActivePassive Bonding to LACP Bonding Mode on a SolidFire ...Applies to NetApp Element Software NetApp SolidFire NetApp HCI Description This article describes how to change the Bonding mode from ALB, or ActivePassive Bonding to LACP Bonding Mode on a SolidFire / HCI Storage Node's network (1G or 10G) interface.
    • LACP ifgrp Port Participation changes to "partial" after ONTAP reboot
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/LACP_ifgrp_Port_Participation_changes_to_partial_after_ONTAP_reboot
      After ONTAP rebooting, LACP ifgrp shows partial participation for one of the port: NOTE: ONTAP rebooting can be due to any reason such like panic/planned takeover/ONTAP upgrade etc.. Port Participatio...After ONTAP rebooting, LACP ifgrp shows partial participation for one of the port: NOTE: ONTAP rebooting can be due to any reason such like panic/planned takeover/ONTAP upgrade etc.. Port Participation: partial This issue is not seen when we change to static multimode ifgrp: With multimode ports show full participation: ::*> ifgrp show -node node01 -ifgrp a0a Port Participation: full Network Ports: e0c, e0d There is no change in the switch side configuration, Also physically the port is UP.