クラスタでのノードの追加/削除後にActive IQ Unified Managerにクラスタを追加できない

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Category:: active-iq-unified-manager

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環境

ActiveIQ Unified Manager 9.6以降

問題

クラスタに新しいノードを追加すると、Active IQ Unified Managerでそのノードを監視できなくなるか、削除後にノードを再追加することはできません。
UMとONTAPのログには、次のようなエラーがそれぞれ表示されます。

UM ocumserver.log:

2020-08-17 15:30:13,243 ERROR [vroque] [default task-13458] [c.n.o.r.c.s.i.ClusterConnectionService] Certificate fetch error : Remote host terminated the handshake 2020-08-17 15:30:13,244 ERROR [vroque] [default task-13458] [c.n.o.r.m.e.GlobalExceptionHandler] Unable to fetch cluster certificate for testOntap01. com.netapp.ocf.rest.mvc.exceptions.ClusterConnectionException: Unable to fetch cluster certificate for testOntap01.

ONTAP EMS messages/httpd logging:

Mon Aug 17 22:30:13.213596 2020 +0000] [ssl:notice] [pid 86300:tid 34385694464] [client 45.32.66.41:58157] [vserver 4294967295] No server certificate chain is configured for this vserver [Mon Aug 17 22:30:13.213666 2020 +0000] [ssl:notice] [pid 86300:tid 34385694464] [client 45.32.66.41:58157] [vserver 4294967295] Certificate-based client authentication is not configured for this vserver [Mon Aug 17 22:30:13.215481 2020 +0000] [ssl:emerg] [pid 86300:tid 34385694464] AH02562: Failed to configure certificate 127.0.0.1:0 (with chain), check /mroot/etc/vserver_4294967295/certificates/ssl/server/1+533273DF43F31+testOntap01/server.crt [Mon Aug 17 22:30:13.215504 2020 +0000] [ssl:emerg] [pid 86300:tid 34385694464] SSL Library Error: error:02001002:system library:fopen:No such file or directory (fopen('/mroot/etc/vserver_4294967295/certificates/ssl/server/1+533273DF43F31+testOntap01/server.crt','r')) [Mon Aug 17 22:30:13.215520 2020 +0000] [ssl:emerg] [pid 86300:tid 34385694464] SSL Library Error: error:20074002:BIO routines:FILE_CTRL:system lib [Mon Aug 17 22:30:13.215536 2020 +0000] [ssl:emerg] [pid 86300:tid 34385694464] SSL Library Error: error:140DC002:SSL routines:SSL_CTX_use_certificate_chain_file:system lib [Mon Aug 17 22:30:13.215540 2020 +0000] [ssl:error] [pid 86300:tid 34385694464] [client 45.32.66.41:58157] [vserver 4294967295] Failed to initialize SSL context