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Cluster acquisition fails due to 'Received fatal alert: unknown_ca' on try 5 out of 5 error

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active-iq-unified-manager
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Applies to

  • Active IQ Unified Manager  (AIQUM) 9.x
  • All OS Platforms

Issue

  • AIQUM Operation State swapped to "Failed" from "Completed" on existing clusters
  • Discovery state remained "Failed"  on newly added clusters
  • Warning and error in au.log:

WARN  [common-pool-XXX] c.o.s.a.d.n.t.z.ZAPIConnection (ZAPIConnection.java:586) - [netappfoundation] XX.XX.XX.XX - XX.XX.XX.XX XX.XX.XX.XX - SSL handshake error on system-get-version try 5 out of 5, Received fatal alert: unknown_ca javax.net.ssl.SSLHandshakeException: Received fatal alert: unknown_ca
  :
ERROR [common-pool-XXX] c.o.s.a.d.n.t.z.ZAPIConnection (ZAPIConnection.java:444) - [netappfoundation] XX.XX.XX.XX - Communication problem with the cluster: XX.XX.XX.XX, command: system-get-version, error: 'Received fatal alert: unknown_ca' on try 5 out of 5

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