[Samba] Very slow copy for small files from Win 10 to Samba server

Campbell McLeay cmcl at dneg.com
Fri Jul 30 13:30:22 UTC 2021

> > Server is running: RHEL 7.6
> > Samba version: samba-4.8.3-4.el7.x86_64
> There is a problem. Before Samba 4.8.0 , the smbd daemon (the
> fileserver daemon) could contact AD directly, so you could use sssd.
> When Samba 4.8.0 was released, smbd now can only contact AD via
> winbind. Because sssd has its own version of some of the winbind libs,
> you can no longer use sssd with Samba >= 4.8.0
> Depending on how you run sssd (hopefully you are using rfc2307
> attributes) you can easily change to winbind, if you are using id
> mapping it will be a lot harder.

Ah, ok, I'll look into what needs doing to switch from sssd to
winbind. I wonder why this doesn't affect Win 7 clients though - do
they have some different auth requirements perhaps?



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