[linux-cifs-client] Re: Timestamps not preserved on CIFS mount

[Jeff Layton]

On Sat, 8 Mar 2008 09:34:10 -0500
"Eric B." <ebenze at hotmail.com> wrote:

> "Jeff Layton" <jlayton at redhat.com> wrote in message 
> news:20080308070914.7c2c8b4e at tleilax.poochiereds.net...
> > On Sat, 8 Mar 2008 01:46:14 -0500
> > "Eric B." <ebenze at hotmail.com> wrote:
> >
> >> Hi,
> >>
> >> I am running a RHEL4 with a 2.6.9-34 kernel with CIFS 1.34.
> >>
> >> It is my first time working with CIFS, so I am not sure if I am doing 
> >> things
> >> properly.  I am able to mount my external share and access it properly,
> >> however, whenever I try to do a cp -a or a rysnc -t on it, the timestamps 
> >> of
> >> the copied files are not preserved and are given the current timestamp.
> >> However, if I try to "touch" the file using a reference file (ie: 
> >> touch -r
> >> <file1> <file2>), the timestamp of the dest file (on the cifs mount) is
> >> updated properly.
> >>
> >> Is this a problem with CIFS 1.34, or is it rather a problem in my 
> >> mounting?
> >>
> >> I am mounting the share as:
> >> # mount -t cifs //<share fqdn>/share /mount/cifs -o
> >> username=eric,password=eric
> >>
> >>
> >> Am I doing something wrong?  Is there anyway I can debug where this 
> >> problem
> >> is?  It is obviously causing me serious problems with backups.
> >>
> >
> > What sort of server are you doing this against?
> 
> I'm not quite sure I understand the question.  Are you asking about the 
> hardware itself?
> It's an IBM X series (350 - I think), so a 64 bit installation.  The remote 
> mount is a Maxtor Shared Storage device.
> # uname -a
> Linux apollo 2.6.9-34.ELsmp #1 SMP Tue Mar 21 19:33:58 CST 2006 x86_64 
> x86_64 x86_64 GNU/Linux
> 
> Is that helpful?
> 

Since you're mounting a CIFS share, the type of fileserver that the
share resides on is important information.

You've told us the type of client you are using -- RHEL4. Is the server
running the same OS as well? If so, what samba version is it using?

-- 
Jeff Layton <jlayton at redhat.com>