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DNS failure due to DATA SVM LB on Azure CVO HA pair preventing AIQUM discovery

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Category:
cloud-volumes-ontap-cvo
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cloud
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Applies to

  • Cloud Volumes ONTAP (CVO)
  • HA pair
  • Microsoft Azure
  • AIQUM

Issue

  • AIQUM Discovery of a new Azure CVO HA pair fails with timeout error below:

 

ERROR [default task-5317] c.n.o.n.e.EmsZapiManager (EmsZapiManager.java:858) - Failed ZAPI call ems-event-catalog-get-iter: netapp.manage.NaProtocolException: Unexpected HTTP response: 502 Bad Gateway
at deployment.mega-app.ear//netapp.manage.NaServer.invokeHTTP(Unknown Source)
at deployment.mega-app.ear//netapp.manage.NaServer.invokeElemForXML(Unknown Source)
at deployment.mega-app.ear//netapp.manage.NaServer.invokeElem(Unknown Source)
: netapp.manage.NaProtocolException: Unexpected HTTP response: 502 Bad Gateway
EmsManager (EmsManager.java:422) - Failed to call system-get-version -- : java.net.ConnectException: Connection timed out: connect
  • DATA SVMs fail the "dns check" from Azure DNS with error below seen on MGWD.log:
[kern_mgwd:info:3710]: ERR: MGWD::NSLIBC: NSLIBC: __res_nsend(), ../../../../../../src/lib/libc/resolv/res_send.c:813, Vsid = 5 Timed out while connecting to DNS server: <DNS_SERVER_IP_1> via Source Address <DATA_SVM1_LIF_IP>. Error: Operation timed out
[kern_mgwd:info:3710]: ERR: MGWD::DNS: src/tables/name_services/dns.cc:622:validate_name_server Server 1<DNS_SERVER_IP_1> is not DNS server or some internal error has occured for Vserver <DATA_SVM1>
[kern_mgwd:info:3710]: ERR: MGWD::NSLIBC: NSLIBC: __res_nsend(), ../../../../../../src/lib/libc/resolv/res_send.c:813, Vsid = 7 Timed out while connecting to DNS server: <DNS_SERVER_IP_2> via Source Address <DATA_SVM2_LIF_IP>.. Error: Operation timed out
[kern_mgwd:info:3710]: ERR: MGWD::DNS: src/tables/name_services/dns.cc:622:validate_name_server Server <DNS_SERVER_IP_2> is not DNS server or some internal error has occured for Vserver <DATA_SVM2>

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