[Gluster-users] vfs_gluster broken

[Anoop C S]

On Tue, 2018-09-18 at 10:42 -0600, Terry McGuire wrote:
> > On Sep 18, 2018, at 04:44, Anoop C S <anoopcs at autistici.org> wrote:
> > 
> > On Mon, 2018-09-17 at 10:31 -0600, Terry McGuire wrote:
> > > > On Sep 14, 2018, at 02:32, Anoop C S <anoopcs at autistici.org> wrote:
> > > > 
> > > > On Wed, 2018-09-12 at 10:37 -0600, Terry McGuire wrote:
> > > > > > > My gluster version initially was 3.10.12.  I’ve since updated
> > > > > > > to gluster 3.12.13, but the
> > > > > > > symptoms
> > > > > > > are the same.
> > > > > > > 
> > > > 
> > > > Did you mean 3.10.12 or 3.12.12?(your initial GlusterFS version)?
> > > > 
> > > > If GlusterFS was at v3.10.12, are you sure that you were
> > > > experiencing issues with samba v4.7.1?
> > > 
> > > Definitely 3.10.12.  Our production service is still using it:
> > > 
> > > root at mfs-01 ~]#gluster --version
> > > glusterfs 3.10.12
> > > 
> > > 
> > > Definitely samba 4.7.1:
> > > 
> > > root at mfs-01 ~]#smbstatus --version
> > > Version 4.7.1
> > 
> > Let me confirm one last time:
> > In your production environment, with GlusterFS v3.10.12 and Samba
> > v4.7.1, can you confirm whether issues are visible?
> 
> Can confirm.  Issues visible with GlusterFS v3.10.12 and Samba v4.7.1.

Thanks for the confirmation.

> > If so, do you see any issues for files/directories other than those
> > present directly under root of the share?
> 
> Interesting!  When I use Mac or Windows, I still see issues deeper in the hierarchy, but when I
> use Linux, I actually don’t see issues when I’m deeper in the hierarchy.

Any specific error dialogue window messages are displayed on Windows/Mac?

> > Also is it possible for you to check with `smbclient` utility from a
> > Linux machine to see whether issues are seen?
> 
> Yup, I see the same error as you mentioned in the bug report:
> 
> smb: \> mkdir test
> NT_STATUS_INVALID_PARAMETER making remote directory \test

Hm.. so you will need to have the samba fix for sure.

> > > > Might be related to 
> > > > https://bugzilla.samba.org/show_bug.cgi?id=13585.
> > > > 
> > > > Can you try installing a version of GlusterFS < 3.12.13 and see if
> > > > it works normally?
> > > 
> > > This bug does seem to fit the symptoms, however my prod service is
> > > already < 3.12.3 and is not normal.
> > 
> > I hope you meant < 3.12.13 this time :-)
> 
> I did (but, pedantically-speaking, it is also < 3.12.3).

Got it.

> > > Perhaps my best option is to try downgrading samba to the original
> > > version and see if it restores proper function, until a patched
> > > version of Gluster is available.
> > 
> > As I explained above, issue was with Samba and fix has not yet made
> > into a release version. In short, following combinations should work
> > fine:
> > 
> > * samba version > 4.7.10 + any supported GlusterFS version
> > * samba version <= 4.7.10 + any supported GlusterFS version < 3.12.13
> > 
> > > Or just live with slow FUSE-backed SMB for the time being.
> > 
> > Let's track down the issue if there is one which is not yet identified.
> 
> Okay.  It does seem, considering the versions I’m running, that there’s something else (but
> similar) going on.

Can you please share a fresh set of samba logs(preferably with higher debug level) and corresponding
glusterfs-<VOLNAME>-<IP>.log explaining the steps you tried to reproduce the issue?