クラスタポートがダウンし、CLAMパニックが発生する

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Category:: ontap-9

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環境

ONTAP 9
接続性、稼働性、および可用性モニター（CLAM）

問題

ごく短時間でノードの両方のクラスタポートがダウンしたことによるCLAMパニック

Sat Aug 10 22:02:37 -0400 [node2: kernel: netif.linkDown:info]: Ethernet e3a: Link down, check cable.

Sat Aug 10 22:02:55 -0400 [node2: kernel: netif.linkDown:info]: Ethernet e3b: Link down, check cable.

Sat Aug 10 22:03:54 -0400 [node1: kltp: clam.received.quorum:debug]: Local node received a quorum update from Cluster node (name=node3, ID=1002). Sat Aug 10 22:03:54 -0400 [node1: kltp: callhome.clam.node.ooq:EMERGENCY]: Call home for NODE(S) OUT OF CLUSTER QUORUM. Sat Aug 10 22:03:54 -0400 [node1: kltp: clam.node.ooq:EMERGENCY]: Node (name=node2, ID=1005) is out of "CLAM quorum" (reason=quorum update). Sat Aug 10 22:03:54 -0400 [node1: kltp: clam.node.avail.change:debug]: The availability status of node (name=node2, ID=1005) changed from Available to Unavailable. Sat Aug 10 22:03:54 -0400 [node1: ThreadHandlerun: clam.update.partner.state:info]: CLAM on node (ID=1004) updated failover state of partner (ID=1005) to nohb. Sat Aug 10 22:03:54 -0400 [node1: clam_bg: clam.quorum.epoch:debug]: CLAM set the quorum epoch on local node to 223. Sat Aug 10 22:03:54 -0400 [node1: ThreadHandlerun: clam.takeover:info]: Local node (name=node1, ID=1004) initiated takeover of partner node (name=node2, ID=1005, state=193) result=successful, type=panic.