[Samba] samba4 PDC to BDC file replication

[C Waddy]

No luck so far with a suitable solution for file replication to BDC and
retain ntfs perms..

After testing again with Rsync, it will not preserve NTFS permissions, no
matter what flags are used?

Glusterfs is cool but only for 64 Bit systems.

There must be a solution to this with Samba4, anyone using a tested and
working Method?

Without the replication of folders/files with NTFS ACL's we can't use
Samba4 in our Business which is very frustrating :(


On Sat, Mar 2, 2013 at 10:06 AM, Ben Metcalfe <bwmetcalfe at gmail.com> wrote:

> Without inviting too many anti-CDDL flames; if you have ZFS on Linux
> working on your samba 4 box, a zfs send and receive should do the job well;
> preserving all file attributes and only transferring deltas.
> Plus you get all the usual ZFS benefits (snapshots, copy-on-write,
> check-summing), assuming you've got the RAM to make it work smoothly.
>
> http://zfsonlinux.org/
>
> Has anyone tried this configuration?
>
> Ben
>
> On 1 March 2013 23:46, Gregory Sloop <gregs at sloop.net> wrote:
>
> > Thanks. I asked this a few weeks back and didn't get much response.
> > The half-hearted consensus was that rsync wouldn't do the job.
> >
> > [It seemed to me it should, as long as you're replicating between two
> > DC members, and not to a non DC member. (Because, as I figured it, a
> > non DC member wouldn't have any idea about the users/groups, since
> > it's not replicating and of the DC data, right?)]
> >
> > Glad for any light you can shed - and thanks for letting me know it
> > should work. I'll tinker with it when I'm to that point.
> >
> > -Greg
> >
> >
> > JA> On Thu, Feb 28, 2013 at 09:13:39PM -0800, Gregory Sloop wrote:
> > >>
> > >> I'm in the same boat, and I'm only aware of two possibilities.
> > >>
> > >> 1) Robocopy - using a Windows client.
> > >>    BUT Robocopy doesn't do file deltas - changed files are copied in
> > >>    their entirety. Which isn't a problem if you don't have large
> > >>    files. But if you've got a 10G file that changes often, then this
> > >>    probably isn't the best alternative.
> > >>
> > >> 2) http://www.bvckup.com/support/ [Bvckup]
> > >>    This also appears to be a Windows utility, but does handle file
> > >>    delta's. I have never used this tool and so can't vouch for it in
> any
> > >>    way.
> > >>
> > >> If you find a functional solution, that preferably can be used on the
> > >> two Linux/Samba boxes to do file-deltas and still maintain the
> > >> permissions - that would be best.
> > >>
> > >> One other option that might work:
> > >> Rsync the data, and use robocopy to simply duplicate the permissions
> > >> structure. [I believe this is possible.]
> >
> > JA> rsync using -A (preserve ACLs) and -X (preserve extended attributes)
> > JA> and -o (preserve owner (super-user only)) and -g (preserve group)
> > JA> should copy thing perfectly.
> >
> > --
> > Gregory Sloop, Principal: Sloop Network & Computer Consulting
> > Voice: 503.251.0452 x82
> > EMail: gregs at sloop.net
> > http://www.sloop.net
> > ---
> >
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