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LIFs hosted on a node are intermittently unreachable

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Category:
ontap-9
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HW
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Applies to

  • ONTAP 9
  • FAS, AFF systems

Issue

  • LIFs hosted on node-02 are intermittently unreachable.

    ::> event log show
    Time                Node             Severity      Event
    ------------------- ---------------- ------------- ---------------------------
    1/20/2025 14:34:09  node-02  ERROR         secd.dns.srv.lookup.failed: DNS server failed to look up service (_ldap._tcp.Emea._sites.eos.clusters.com) for vserver (home01) with error (No server(s) found).
    1/20/2025 14:33:57  node-02  ERROR         secd.dns.srv.lookup.failed: DNS server failed to look up service (_ldap._tcp.persa.clusters.nvidia.com) for vserver (home01) with error (Operation timed out).
    1/20/2025 14:33:53  node-02  ERROR         secd.dns.srv.lookup.failed: DNS server failed to look up service (_kerberos._tcp.dc._msdcs.PERSA.CLUSTERS.COM) for vserver (home01) with error (Operation timed out).

  • Same LIFs are reachable when migrated to the partner node.
  • Ports are UP and no issues seen on the storage side.

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