[Samba] migrating samba shares to a netapp filer?

John P Arends jarends at northwestern.edu
Thu Jan 31 08:09:20 MST 2013

If I were you I'd connect to both shares using a Windows machine and run robocopy to copy all the permissions.

On Jan 31, 2013, at 4:58 AM, Luca Olivetti <luca at wetron.es>

> Hello,
> I'll soon have to migrate our samba shares to a netapp filer (not my
> decision).
> Currently the shares are on an xfs filesystem and served by samba 3.5.2,
> which is also the domain controller (a role that it will maintain, only
> the shares are being transferred) and sama/unix users are in ldap. The
> filer is in the domain and uses ldap to map user ids and that seems to work.
> Samba maps the unix permissions and xfs ACLs to windows ACLs, but the
> filer isn't as smart: the share can be in ntfs mode or in unix mode
> (there's also a mixed mode but I'd avoid that).
> To copy the data I nfs mount the netapp and use rsync.
> For that to work I have to use unix mode on the filed (with ntfs mode
> the netapp doesn't allow nfs clients to  modify file ownership and
> permissions) but while that works and I like the fact that I can use
> rsync not only for the initial migration, but also for making backups in
> the future, that means I lose the ACLs and it's ugly as seen on a
> windows client (since the netapp shows unix permissions in an ugly way).
> I tried a cifs mount against a ntfs style netapp share, but that didn't
> correctly map the users and permissions when I rsync'ed the files.
> Is there a better way to copy the data, possibly using ntfs style
> permissions on the filer and not precluding the use of rsync in the future?
> I've read about robocopy but I'm not really sure it's a good option.
> -- 
> Luca Olivetti
> Wetron Automation Technology http://www.wetron.es
> Tel. +34 935883004  Fax +34 935883007
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