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'ls' command hangs for NFSv4 clients in ONTAP 9

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • NFSv4

Issue

  • NFSv4 clients hang when trying to 'ls' a directory
  • NFSv4 clients are still capable of writing files and making directories, and even navigating into certain directories
  • NFSv3 clients attempting the same operation run into no issues
  • Packet Trace captures "NFS4ERR_DELAY"

3010      2022-07-27 16:23:14.190637     1.600360       192.168.84.16 192.168.84.21      NFS 238 V4 Call (Reply In 3011) READDIR FH: 0x730541b4
3011      2022-07-27 16:23:14.191104     0.000467       192.168.84.21 192.168.84.16      NFS 122 V4 Reply (Call In 3010) READDIR Status: NFS4ERR_DELAY

  • EMS shows secd.unixLookupFailure:error messages
Fri Jun 29 14:48:27 -0500 [node-1: secd: secd.unixLookupFailure:error]: 
UNIX lookup failure on Vserver (svm1) for client with IP address (11.16.233.35). Error: Acquire UNIX credentials procedure failed   
[  3 ms] Entry for user-id: 20137 not found in the current source: FILES. Ignoring and trying next available source   
[     6] Successfully connected to ip 11.16.97.32, port 88 using TCP   
[    23] Successfully connected to ip 11.16.97.32, port 636 using TCP   
[    35] Successfully connected to ip 11.16.97.32, port 88 using TCP 
**[    41] FAILURE: LDAP query for Group ID (schema attribute: 'gidNumber') associated with UNIX User 'first.last' returned out of range numeric value '-2147483648'   
[    42] Failed to get user info for id '123'   
[    42] Entry for user-id: 123 not found in the current source: LDAP. Entry for user-id: 123 not found in any of the available sources   
[    42] Unable to retrieve UNIX username for UID 123

 

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