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Error: Nblade.cifsMaxOpenSameFile when CIFS Clients attempt to access files in ONTAP

  1. Last updated
    May 5, 2025
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3,139
Visibility:
Public
Votes:
4
Category:
ontap-9
Specialty:
nas
Last Updated:
5/5/2025, 9:21:32 PM

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Applies to

  • ONTAP 9
  • CIFS/SMB for Linux
  • Samba

Issue

  • Linux CIFS users are unable to access files, getting error:  Access Denied
  • EMS contains Nblade.cifsMaxOpenSameFile events for the IP of the impacted client host

22 Jul 2024 09:12:10 [node01: error] kernel Nblade cifsMaxOpenSameFile: IpAddress="x.x.x.x" port="3xxx4" filePath="\" shareName="sh01" vserverName="vs1" object_type="VSERVER" object_uuid="4xcxcxc3-bxcc-1ccc-bfff-00xcxcxcxcdd0"

  • EMS contains Nblade.cifsMaxSessPerUsrConn
  • Packet trace shows that
    • Client opens folders/files, but does not close them
    • When client sends new requests to open files, ONTAP responds with STATUS_INSUFFICIENT_RESOURCES

 

 

 

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