How to backing up ACL's on remote server ?

Philip Lowman philip at
Tue Sep 27 16:08:00 GMT 2005

It looks like the rsync binary on the remote machine doesn't have ACL 
support compiled in.  You'll need the acl support on all the servers you'll 
be using the acl flag.

Philip Lowman

...... Original Message .......
On Tue, 27 Sep 2005 10:53:44 +0100 "Ian Clancy" <ClancyIan at> wrote:
>Hi List,
>I'm currently backing up a number of samba servers onto a remote server 
>using a perl script called rsnapshot which utilises rsync. Over the last 
>few i've started using posix ACL's on my samba server and now I would 
>like to be able to back up these ACLS's.
>All of my servers are have their filesystems (ext3) mounted with ACL 
>support and i am using the following version of rsync compiled with the 
>acl patch :
>rsync  version 2.6.6  protocol version 29
>Copyright (C) 1996-2005 by Andrew Tridgell and others
>Capabilities: 64-bit files, socketpairs, hard links, ACLs, symlinks, 
>              inplace, IPv6, 64-bit system inums, 64-bit internal inums
>At the moment i can back up acls on the local system. For example the 
>following works fine :
>/usr/local/bin/rsync -artlDPpv --acls /var/log/gdm /tmp
>However, when i try to backup a remote system i recieve some errors:
>/usr/local/bin/rsync -AaPv --delete --numeric-ids --rsh=/usr/bin/ssh 
>root at"/var/shares/Traceability/Trace\ V114/data/" 
>rsync: on remote machine: -vlAogDtpr: unknown option
>rsync error: syntax or usage error (code 1) at main.c(1084)
>rsync: connection unexpectedly closed (0 bytes received so far) [receiver]
>rsync error: error in rsync protocol data stream (code 12) at io.c(434)
>Finally, my question is, Do i need to install rsync with ACL's support 
>on all my samba servers ?
>Is there anything else i am doing wrong ?.
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