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SMB performance slow for MacOS clients

  1. Last updated
    Jun 2, 2025
  2. Save as PDF
Views:
3,024
Visibility:
Public
Votes:
5
Category:
ontap-9
Specialty:
nas
Last Updated:
6/2/2025, 1:06:51 PM

Applies to

  • MacOS 11.4 Big Sur and later
  • ONTAP 9
  • SMB/CIFS

Issue

  • MacOS users are reporting slowness when reading or writing files over SMB.
  • Reading/Writing multiple files degrades overall throughput for the same client.
  • SKtrace contains
    • 2025-06-02T00:06:41Z 16183164273707184 [1:0] NBLADE_Chk: n0x8710f0: src/Protocols/Cifs/Support/Smb2Credits.cpp:405 rt=1171

 

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