Cluster port down in a Switchless configuration
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- Category:
- fas-systems
- Specialty:
- hw
- Last Updated:
- 5/29/2024, 8:14:26 PM
Applies to
- ONTAP 9
- AFF/FAS systems
- Switchless configuration cluster
Issue
- One cluster port down:
::> network port show
Node: A
Speed(Mbps) Health
Port IPspace Broadcast Domain Link MTU Admin/Oper Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0a Cluster Cluster up 9000 auto/10000 healthy
e0b Cluster Cluster down 9000 auto/- -
...
Node: B
Speed(Mbps) Health
Port IPspace Broadcast Domain Link MTU Admin/Oper Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0a Cluster Cluster up 9000 auto/10000 healthy
e0b Cluster Cluster down 9000 1000/- -
...
28 entries were displayed.
- EMS log shows port link down or flapping frequently:
<LR d="11Mar2023 16:54:11" n="A" t="1234567890" id="1543945678/1234012" p="6" s="Ok" o="mgmt_port_link_status_poll" vf="" type="0" seq="1234567" >
<netif_linkDown_1
lanType="Ethernet"
ifName="e0b"
status="down, check cable"/>
</LR>
<LR d="11Mar2023 16:54:14" n="A" t="1234567897" id="1543945679/1234017" p="5" s="Ok" o="vifmgr" vf="" type="1" seq="1235678" >
<vifmgr_portdown_1
nodename="A"
portname="e0b"/>
</LR>
or
Wed Nov 15 18:20:39 +0900 [Node01: kernel: netif.linkDown:debug]: Ethernet e0b: Link down, check cable.
Wed Nov 15 18:20:39 +0900 [Node01: vifmgr: vifmgr.portdown:debug]: A link down event was received on node Node01, port e0b.
Wed Nov 15 18:20:39 +0900 [Node01: vifmgr: vifmgr.clus.linkdown:debug]: The cluster port e0b on node Node01 has gone down unexpectedly.
Wed Nov 15 18:20:39 +0900 [Node01: vifmgr: vifmgr.lifmoved.linkdown:debug]: LIF Node01_clus2 (on virtual server 4294967293), IP address 169.xx.xx.xxx, is being moved to node Node01, port e0a.
Wed Nov 15 18:20:39 +0900 [Node01: vifmgr: vifmgr.lifsuccessfullymoved:debug]: LIF Node01_clus2 (on virtual server 4294967293), IP address 169.xx.xx.xxx, is now hosted on node Node01, port e0a.
Wed Nov 15 18:20:41 +0900 [Node01: kernel: netif.linkUp:debug]: Ethernet e0b: Link up.
Wed Nov 15 18:20:41 +0900 [Node01: vifmgr: vifmgr.portup:debug]: A link up event was received on node Node01, port e0b.
Wed Nov 15 18:20:44 +0900 [Node01: vifmgr: vifmgr.port.monitor.failed:debug]: The "link_flapping" health check for port e0b (node Node01) has failed. The port is operating in a degraded state.
...
Wed Nov 15 18:25:34 +0900 [Node01: kernel: netif.linkDown:debug]: Ethernet e0b: Link down, check cable.
Wed Nov 15 18:25:34 +0900 [Node01: vifmgr: vifmgr.portdown:debug]: A link down event was received on node Node01, port e0b.
- One cluster port e0b shows
auto-unknown-fd-downstatus. :
::> system node run -node * -command sysconfig -a
e0b MAC Address: 00:aa:11:22:33:66 (auto-unknown-fd-down)
SFP Vendor: AAAA
SFP Part Number: BBBBBBBB-BBB
SFP Serial Number: CCCCCC
