On 3/2/06, Tevfik Karagülle <[EMAIL PROTECTED]> wrote:
> Hi all, we are just beginning to dive into rsync. I have
> limited experience with just playing around with the examples
> and reading all the docs that I can. I just read an
> interesting post from a developer that mentions cwrsync is a
> minimalistic rsync and thus things like permissions are not
> transfered, the post was from 2004. Here are my questions
>
I called cwrsync as minimalistic because it offers rsync functionality on cygwin only. A full-blown
cygwin gives you an almost complete linux-like working environment. In all other aspects, cwrsync is
same as rsync on cygwin. That applies also to issues around permissions.
> 1) Should we abandon cwrsync for cygwin + rsync? Have the
> disparities between the two versions been resolved?
There are no disparities. Cwrsync and cygwin+rsync have the same behaviour, same executables and
same dlls.
>
> 2) What are the risks with using cwrsync (we want a limited footprint on the client)?
Rsync itself is a well-proven solution and is actively maintained. Cwrsync package has a very small
footprint in comparison to the full cygwin and that reduces your vulnerability surface.
-
>
> 3) Assuming we use straight cygwin + rsync how does the
> linux rsync server handle the permissions and ACL's of an
> NTFS files system? Are they restorable back to a windows
> machine? The linux server won't have any of the users plus
> the ACLS stuff is totally different that unix.
I don't think that rsync on cygwin can be too much of help to address ACL-issues between unix and
windows machines. You should experiment with following scenarios to find out what is actually
possible to achieve:
1. Use rsync options -g -o -p (preserve group,ownership and permissions)
2a. Start rsync on windows after having 'CYGWIN=ntsec' set. That allows cygwin to map linux
permissions to windows ones. NB! Try this in a test environment. You may end with a filesystem with
permissions somewhat different than what you expect.
2b. Use 'CYGWIN=nontsec' instead. That's the recommended way for cwrsync users. No mapping occurs.
Cwrsync package has a batch file example for it.
Best regards
Tev
Cwrsync maintainer
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