ONTAP API タイムアウトが原因で Active IQ Unified Manager のアラートクラスタに到達できません

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環境

Active IQ Unified Manager （ AIQUM ）
ONTAP システムマネージャ（ OSM ）
SnapCenter
ONTAP

問題

1 Cluster Not Reachable つのクラスタに対してAIQUMアラートが表示されます
クラスタのOSMにブラウザで到達できません
ocumserver.logで報告されたエラーはを指しています Unexpected HTTP response: 502 Bad Gateway

2021-05-24 14:57:43,293 INFO [oncommand] [org.springframework.jms.listener.DefaultMessageListenerContainer#1-1] [com.netapp.ipc.jms.OCIE_Events] OCIE JMS notification message received: {WarningCount=0, DatasourceName=cluster-name, DatasourceID=4, Error0_ClusterManagementIP=cluster-name, PackageName=netappfoundation, TotalReportTime=599460, PollStartTime=1621881148238, Error1_Zapi=nvme-namespace-get-iter, Error1_Type=NETWORK_ACCESS_FAILURE, ErrorCount=2, Success=false, Error1_Port=443, DurationTime=1515050, Error1_ClusterManagementIP=cluster-name, Error0_Message=Communication problem with the cluster: cluster-name command: lun-get-iter, error: 'Unexpected HTTP response: 502 Bad Gateway' on try 5 out of 5, TotalZAPITime=-1, NotificationType=PACKAGE_COMPLETED, Error1_Message=Communication problem with the cluster: cluster-name, command: nvme-namespace-get-iter, error: 'Unexpected HTTP response: 502 Bad Gateway' on try 5 out of 5, Error0_Type=NETWORK_ACCESS_FAILURE, UpdateTime=1621882663293, Error0_Port=443, MessageType=PACKAGE_NOTIFICATION, Error0_Zapi=lun-get-iter}

ログのエラー：

2021-07-22 16:36:18,434 WARN [pool-33432-thread-4] c.o.s.a.d.n.t.z.ZAPIConnection (ZAPIConnection.java:574) - [netappfoundation] cluster-name - protocol error on lun-get-iter try 5 out of 5 netapp.manage.NaProtocolException: Unexpected HTTP response: 502 Bad Gateway

at netapp.manage.NaServer.invokeHTTP(NaServer.java:1019) ~[manageontap.jar:5.4]

at netapp.manage.NaServer.invokeElemForXML(NaServer.java:780) ~[manageontap.jar:5.4]

Cluster ASUP の cluster audit-smlog でエラーが発生しました

00000011.01c453f0 120b2ddc Fri Jul 23 2021 04:31:20 -04:00 [kern_audit:info:9425] 8503ee0002871c38 :: cluster-name:ontapi :: pii_encrypt/6px/6pwmAwe2nCkeM0KxDAK1G++1KLAotOwy3T5ZNru3hoTUtAqTZSB6uWVavRps/pii_encrypt :: cluster-name:pii_encrypt/6px/6pwmAwe2nCkeM0KxDJDeFvxMqKE8aHjv+xF2rAE=/pii_encrypt :: POST /servlets/netapp.servlets.admin.XMLrequest_filer HTTP/1.0 :: Error: 502 Proxy Error

Apache のエラー - クラスタ ASUP のエラー

[Thu Jul 22 17:26:17.338672 2021 +0000] [proxy_ http:error] [pid 9425:tid 34385616640] (70007)The timeout specified has expired: [client AIQUM_IPaddress:41954] AH01102: error reading status line from remote server Node_Ip:936

[Thu Jul 22 17:26:17.481399 2021 +0000] [proxy_ http:error] [pid 9425:tid 34376577280] (70007)The timeout specified has expired: [client AIQUM_IPaddress:41960] AH01102: error reading status line from remote server Node_Ip:936