ONTAPがMetroClusterのBrocadeスイッチステータスの監視に失敗する

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Category:: fabric-interconnect-and-management-switches

Specialty:: metrocluster

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環境

ファブリック接続MetroCluster
MetroClusterバックエンドファブリックスイッチ
Brocade FOS 8.2.x/9.0.x

問題

ONTAP Health Monitor レポート FabricSwitchUnreachable_Alert。
storage switch showには、Monitor ステータスが false である不明なスイッチが表示されます。

ONTAP fail to monitor Brocade switch status in MetroCluster

MGWD レポート SNMP が Brocade スイッチで取得失敗：

00000314.00f72d18 08fc3b98 Mon Feb 27 2023 01:47:18 +08:00 [kern_mgwd:info:1993] 0x845ac7b00: 0: ERR: fabricdatacollector::storage_switch: failed to get symbolic name for Brocade_xx.xx.xx.xx switch, error = SNMP request timed out. No response was received from "Brocade_xx.xx.xx.xx" over SNMP community "public". {in isPresentInProfile() at src/tables/storage_switch.cc:1560}

Switch errdump -a で多数のレポートが報告されるプロセス snmpd の終了が検出されたエラー：

2023/02/27-01:25:59, [KSWD-1002], 811, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:7821.

2023/02/27-01:29:58, [KSWD-1002], 812, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:7942.

2023/02/27-01:31:14, [KSWD-1002], 813, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:8106.

2023/02/27-01:35:35, [KSWD-1002], 814, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:8342.

2023/02/27-01:37:32, [KSWD-1002], 815, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:8485.

2023/02/27-01:37:47, [KSWD-1002], 816, FFDC | CHASSIS, WARNING, BrocadeG610, Detected termination of process snmpd:8616.

2023/02/27-01:37:47, [HAM-1013], 817, CHASSIS, CRITICAL, BrocadeG610, Restartable daemon (snmp (pid=8616)) died too soon. Reboot/Failover manually if necessary.