[Samba] Can't copy large files to Windows with SMB2/3 on 10G network
jra at samba.org
Tue Sep 18 21:35:57 UTC 2018
On Tue, Sep 18, 2018 at 11:18:15PM +0200, MI wrote:
> > > - smbclient [no -m option] is OK and slow (uses default SMB1/NT1?)
> > > - mount.cifs -o vers=1.0 is OK and slow
> > > - smbclient -m SMB2 (or -m SMB3) fails
> > The above is the interesting case, as this is much
> > easier to debug (in user space) than the kernel
> > client.
> > Can you give more details on *exactly* HOW smbclient -mSMB3
> > fails ?
> This is really strange: today I was not able to reproduce the problem.
> Neither with smbclient, nor with mount.cifs.
> Tried with 2 of the 3 Windows machines which showed the original problem,
> but today all copies with file sizes from 50 GB up to 150 GB went fine,
> using SMB 3.11.
> Well, it looks like we might never know what the problem was.
Networking / switch issues. I'm bet money on it :-).
More information about the samba