Cifs Performance may be impacted due to spamming failed user logons in ONTAP 7-mode
Applies to
- Data ONTAP 7-Mode
- CIFS\SMB
Issue
- CIFS user performance may be impacted due to a 5 second delay authentication protection introduced by BUG 149707
- A misbehaving client may be injecting failed authentication requests midstream of real CIFS\SMB workload for the same session.
- The following output is displayed by only by enabling
options cifs.trace_login on
command:
[auth.trace.authenticateUser.loginTraceMsg:info]: AUTH: Delaying the response by 5 seconds due to continuous failed login attempts
by user user$ of domain mydomain1 from client machine xx.xx.xx.xx.