cygwin rsync windows to windows ACL problem

havoc havoc at havoc.org
Mon Oct 1 17:02:38 GMT 2007 

Ah, yes, was a terminology mismatch, I understand now.

On Monday 01 October 2007, Stephen Zemlicka wrote:
> I don't think so.  Let's get terminology out of the way first.  The
> computer sending data is the client and the computer storing the backups is
> the server.  Rsync needs to read the whole file stored on the server to
> know what data the client needs to send.  Since you are only running rsync
> on the client, the entire file needs to be transmitted from the server to
> the client, then read and analyzed.  Then, a partial transfer may occur. 
> So you can do a partial transfer but before that is possible, the client
> needs a full transfer from the server to see what it needs to send.
>
> _____________________________
> Stephen Zemlicka
> Integrated Computer Technologies
> PH. 608-558-5926
> E-Mail stevezemlicka at gmail.com
>
> -----Original Message-----
> From: havoc [mailto:havoc at havoc.org]
> Sent: Monday, October 01, 2007 11:54 AM
> To: Stephen Zemlicka
> Subject: Re: cygwin rsync windows to windows ACL problem
>
> So even with a mapped drive --partial will have no effect?
> Is this cygwin/Windows specific behavior (as it does work on linux)?
>
> On Monday 01 October 2007, Stephen Zemlicka wrote:
> > Remember, if you don't have the rsync daemon running on the remote
> > computer, rsync will transfer whole files anyway.  I'm working at getting
> > around this issue with mapped drives but haven't had a lot of time
>
> recently
>
> > to get it ironed out and fully tested.  If you are not running rsync on
>
> the
>
> > system you are backing up to, rsync will run exactly like robocopy (ie.
> > with the -W option).
> >
> > _____________________________
> > Stephen Zemlicka
> > Integrated Computer Technologies
> > PH. 608-558-5926
> > E-Mail stevezemlicka at gmail.com
> >
> > -----Original Message-----
> > From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
> > [mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On Behalf
>
> Of
>
> > havoc
> > Sent: Monday, October 01, 2007 11:46 AM
> > To: rsync at lists.samba.org
> > Subject: Re: cygwin rsync windows to windows ACL problem
> >
> > Yes, mapped drive, "kindof", it's a netbios default share, but
> > essentially the
> > same thing.
> > I am trying to avoid any situation that requires special handling on the
> > remote (client workstation) side, like additional software to install and
> > maintain.
> >
> > On Monday 01 October 2007, Stephen Zemlicka wrote:
> > > Yup, that's what I originally intended but I probably wasn't very
> > > clear. So basically you would add
> > >
> > > ROBOCOPY source destination /XO /XN /XC /E /COPY:ATSOU
> > >
> > > to run after the rsync finishes.
> > >
> > > How are you running rsync with no remote daemon running?  Mapped drive?
> > > Why not run the remote daemon, I believe rsync can even initiate the
> >
> > remote
> >
> > > daemon from the client side if you want. (hopefully my terminology is
> > > correct there)
> > >
> > > _____________________________
> > > Stephen Zemlicka
> > > Integrated Computer Technologies
> > > PH. 608-558-5926
> > > E-Mail stevezemlicka at gmail.com
> > >
> > > -----Original Message-----
> > > From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
> > > [mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On
> > > Behalf
> >
> > Of
> >
> > > havoc
> > > Sent: Monday, October 01, 2007 11:28 AM
> > > To: rsync at lists.samba.org
> > > Subject: Re: cygwin rsync windows to windows ACL problem
> > >
> > > Intriguing, you're saying to use rsync to copy/sync the data, the use
> > > robocopy
> > > to only recursively set permissions?  Robocopy can do this without
> > > transferring data?
> > > I haven't finished reading all about it yet, but have started with:
> > > http://en.wikipedia.org/wiki/Robocopy
> > >
> > > On Monday 01 October 2007, Stephen Zemlicka wrote:
> > > > I have synced terabytes of data across DSL connections using robocopy
> > > > with no problem.  Robocopy is just as fast as rsync on whole files
> > > > and I find
> > >
> > > it
> > >
> > > > to be even faster on folders with large numbers of small files
> > > > (though I hear the next release of rsync is supposed to speed that
> > > > up).
> > > >
> > > > However, if you must use rsync, you can still use the robocopy that I
> > > > specified earlier.  Rsync would be responsible for all the file
>
> copying
>
> > > and
> > >
> > > > robocopy would be responsible for only the attributes and
> > > > permissions. Since rsync is a *nix utility, I doubt much effort will
> > > > be put into compatibility with windows permissions.
> > > >
> > > > _____________________________
> > > > Stephen Zemlicka
> > > > Integrated Computer Technologies
> > > > PH. 608-558-5926
> > > > E-Mail stevezemlicka at gmail.com
> > > >
> > > > -----Original Message-----
> > > > From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
> > > > [mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On
> > > > Behalf
> > >
> > > Of
> > >
> > > > havoc
> > > > Sent: Monday, October 01, 2007 11:00 AM
> > > > To: rsync at lists.samba.org
> > > > Subject: Re: cygwin rsync windows to windows ACL problem
> > > >
> > > > Unfortunately I don't think it will work.
> > > > We have two offices in the same corporate park connected by an
> >
> > unreliable
> >
> > > > radio backhaul, and several terabytes of data to sync daily, hence my
> > > > desire
> > > >
> > > > to get rsync working :(
> > > >
> > > > PS: I will definitely check out robocopy for other uses, thank you :)
> > > >
> > > > On Monday 01 October 2007, Stephen Zemlicka wrote:
> > > > > Robocopy does copy only the new or changed files.  However it does
> >
> > copy
> >
> > > > the
> > > >
> > > > > whole files (similar to the -W switch in rsync).  I use robocopy
> > >
> > > whenever
> > >
> > > > I
> > > >
> > > > > already have a secure connection (VPN) or when my backups don't
> >
> > include
> >
> > > > > large (multi GB) database files.  To see if robocopy will work by
> > > > > itself for you, add the -W switch and see if that's acceptable.
> > > > > It'll take a bit longer for changed files but will be just as fast
> > > > > for new files.
> > > > >
> > > > > _____________________________
> > > > > Stephen Zemlicka
> > > > > Integrated Computer Technologies
> > > > > PH. 608-558-5926
> > > > > E-Mail stevezemlicka at gmail.com
> > > > > -----Original Message-----
> > > > > From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
> > > > > [mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On
> > > > > Behalf
> > > >
> > > > Of
> > > >
> > > > > havoc
> > > > > Sent: Monday, October 01, 2007 10:50 AM
> > > > > To: rsync at lists.samba.org
> > > > > Subject: Re: cygwin rsync windows to windows ACL problem
> > > > >
> > > > > Does robocopy handle partial transfers, and backups of changed
> > > > > deleted files?
> > > > > My reason for wanting rsync is to maintain a mirror, and accomplish
> > > > > incremental backups via --backup --backup-dir=<blah> with rsync.
> > > > >
> > > > > On Monday 01 October 2007, Stephen Zemlicka wrote:
> > > > > > I have also noticed that permissions aren't always copied under
> > > > > > windows. I've heard you can use robocopy to do it.  I have not
> > > > > > because it hasn't been critical to my operation but supposedly,
>
> you
>
> > > > > > can use something like
> > > > > >
> > > > > > ROBOCOPY source destination /XO /XN /XC /E /COPY:ATSOU
> > > > > >
> > > > > > After the backup script.  This should not copy any files and just
> > > > > > copy the file permissions and attributes.  Let me know if that
> >
> > helps.
> >
> > > > > > BTW, robocopy is part of the windows 2003 resource kit.
> > > > > >
> > > > > > _____________________________
> > > > > > Stephen Zemlicka
> > > > > > Integrated Computer Technologies
> > > > > > PH. 608-558-5926
> > > > > > E-Mail stevezemlicka at gmail.com
> > > > > > -----Original Message-----
> > > > > > From: rsync-bounces+stevezemlicka=gmail.com at lists.samba.org
> > > > > > [mailto:rsync-bounces+stevezemlicka=gmail.com at lists.samba.org] On
> > > > > > Behalf
> > > > >
> > > > > Of
> > > > >
> > > > > > havoc
> > > > > > Sent: Monday, October 01, 2007 9:59 AM
> > > > > > To: rsync at lists.samba.org
> > > > > > Subject: cygwin rsync windows to windows ACL problem
> > > > > >
> > > > > > I am having problems using rsync on cygwin to properly copy the
> > > > > > ownership of files from windows to windows.
> > > > > > I am running: rsync -avPA //src_addr/some/path /local/dst/path/
> > > > > >
> > > > > > Based on:
> > > > > > http://www.mail-archive.com/rsync@lists.samba.org/msg18920.html
> > > > > > and:
>
> http://www.nabble.com/Re:-I-need-rsync-+-acl-support-for-windows--t2462647.
>
> > > > > >h tml
> > > > > >
> > > > > > ENV: CYGWIN=ntsec tty
> > > > > > I am running this on Windows Server 2003 R2 SP2 (a DC), the SRC
> > > > > > is a Windows XP SP2 domain member.
> > > > > > I have tried patching the cygwin rsync source to enable ACL
> > > > > > support, and had this confirmed by rsync --version
> > > > > > This didn't work so I got rsync-acl-2.6.9.tar.bz2 from:
> > > > > > http://mattmccutchen.net/myrsync/
> > > > > > and configured with --enable-acl-support
> > > > > > This still does not work.  Is what I am trying to do not
> > > > > > possible, or am I just doing something wrong?
> > > > > >
> > > > > > Thanks for any input.
> > > > > >
> > > > > > --
> > > > > >
> > > > > >    - havoc
> > > > >
> > > > > --
> > > > >
> > > > >    - havoc
> > > >
> > > > --
> > > >
> > > >    - havoc
> > >
> > > --
> > >
> > >    - havoc
> >
> > --
> >
> >    - havoc



-- 

   - havoc

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