[Samba] locking in samba

[rruegner]

hi, just a small joke ,
opening the same by different users would be very nice to have for pst
outlook files....this
would be a wonderfull solution for solving the problem
to have an exchange server, cause kalenders in the pst could be mountetd to
every user with outlook
*Grins
----- Original Message ----- 
From: "Demchenko Yevheniy" <zheka at uvt.cz>
To: <samba at lists.samba.org>
Sent: Monday, September 01, 2003 9:20 PM
Subject: Re: [Samba] locking in samba


> On Friday 29 August 2003 16:32, John H Terpstra wrote:
> > On Fri, 29 Aug 2003, Arjen wrote:
> > > I have been trying to get this together for a long time, tried many
> > > options and combinations of options, and have not been able to get it
to
> > > work. If you or anyone else can enlighten Demchenko and me on this
> > > subject, it would definitely be appreciated.
> > >
> > > My conclusion for now is "It is not possible"...
> >
> > Have you read the Samba-HOWTO-Collection.pdf fro the Samba-3.0.0 RC1 or
> > RC2 docs directory?
> >
> > Chapter 14 is dedicated to the subject. If you have read it your
feedback
> > would be appreciated.
> >
> > Cheers,
> > John T.
>
> I did read carefully chapter 14 of Samba-HOWTO, but found no answer to
this
> particular issue. Actually, i didn't understand completely, how does
locking
> work in samba. Chapter 14 describes quite well how oplocks work, but there
is
> almost no information about "normal" (deny modes) locking. Assume, that
> oplocks are off. How is file being locked? Should the application ask for
> lock of should samba lock the file (for writing) automatically if
application
> opens it R/W?
> Anyway, if i turn strict locking=yes, how is it possible, that file is
opened
> for writing by several clients?
> And the main question is: "How can i configure samba to deny opening files
for
> writing from more than one client?"
> May be, it is underlying OS issue?
>
> Thanks,
> Yevheniy.
> >
> > > Arjen.
> > >
> > > Demchenko Yevheniy wrote:
> > > >Hello! I've got into problems with simultaneous access to files on
samba
> > > >server. Two (or more) people from different computers may open the
same
> > > > file and may independently change it (with openoffice, for example).
> > > > Certainly, this is not the expected behavior. If the file is shared
on
> > > > windows machine, when the first user opens it, he gots RW
permission,
> > > > while the next one(s) may open this file only as read-only.
> > > >Tried on Samba3.0 alpha22, Samba3.0beta1 and Samba3.0rc1.
> > > >blocking locks, posix locking and locking are set to yes in smb.conf,
> > > > 'force user' is not set.
> > > >smbstatus says "Denymode DENY_NONE, oplocks NONE" on every connection
to
> > > > the mentioned file.
> > > >I've tried to switch on/off oplocks, level2 oplocks, kernel oplocks,
> > > > strict locking, - nothing helps.
> > > >What am i missing?
> > > >Thanks.
> >
> > --
> > John H Terpstra
> > Email: jht at samba.org
>
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