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User authentication RPC timeout when resolving groups in LDAP

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86
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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS
  • LDAP

Issue

  • Users report intermittent slowness when trying to access shares
  • User Authentication is successful after retry
  • Environment has multiple domains
  • Users hold group memberships in multiple domains
  • LDAP Chasing is enabled
  • secd log:
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                              RPC TOOK TOO LONG:                              |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                       RPC used 47 seconds (max is 23)                        |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                   and likely caused the client to timeout                    |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] .------------------------------------------------------------------------------.
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                                 RPC SUCCESS:                                 |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                     secd_rpc_auth_extended has succeeded                     |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                          Result = 0, RPC Result = 0                          |
Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] |                   RPC received at Thu May  4 10:26:00 2023
  •  Referral to other LDAP Server in secd

Thu May 04 2023 10:26:47 +02:00 [kern_secd:info:13731] | [001.364.139]  debug:  CM_STATS:  Tracking connect() to server 10.225.100.91, port 636

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