Cluster access failed after ONTAP upgrade
Applies to
- ONTAP 9.
- Cluster ports (e0a/e0b).
- AFF-C190A.
Issue
- During ONTAP upgrade, lost access to node showing ports e0a and e0b with link down (or port flapping).
- Cluster Network Degraded alert.
- EMS-LOG-FILE:
Mon Sep 12 08:50:19 +0300 [CLUSTER-01: kernel: netif.linkUp:info]: Ethernet e0b: Link up. Mon Sep 12 08:50:19 +0300 [CLUSTER-01: vifmgr: vifmgr.portup:notice]: A link up event was received on node NODE-02, port e0b. Mon Sep 12 08:50:23 +0300 [CLUSTER-01: vifmgr: vifmgr.cluscheck.assigned:notice]: Cluster LIF NODE-02_LIF1 (node NODE-02) is now assigned to port e0a. Mon Sep 12 08:50:33 +0300 [CLUSTER-01: kernel: netif.linkDown:info]: Ethernet e0a: Link down, check cable. Mon Sep 12 08:50:33 +0300 [CLUSTER-01: vifmgr: vifmgr.lifmoved.linkdown:notice]: LIF NODE-02_LIF1 (on virtual server 4294967293), IP address 1.1.1.1, is being moved to node NODE-02, port e0a. Mon Sep 12 08:50:33 +0300 [CLUSTER-01: vifmgr: vifmgr.lifmoved.linkdown:notice]: LIF NODE-02_LIF1 (on virtual server 4294967293), IP address 1.1.1.1, is being moved to node NODE-02, port e0a. Mon Sep 12 08:50:35 +0300 [CLUSTER-01: kernel:netif.linkUp:info]: Ethernet e0a: Link up. Mon Sep 12 08:50:35 +0300 [CLUSTER-01: vifmgr: vifmgr.portup:notice]: A link up event was received on node NODE-02, port e0a. Mon Sep 12 08:50:35 +0300 [CLUSTER-01: vifmgr: vifmgr.port.monitor.failed:error]: The "link_flapping" health check for port e0a (node NODE-02) has failed. The port is operating in a degraded state. Mon Sep 12 08:50:36 +0300 [CLUSTER-01: cfdisk_config: cf.diskinventory.sendFailed:debug]: params: {'errorCode': '0', 'reason': 'HA Interconnect down'}