> 
> you can skip the license if its too costly...  you can
> backup the nas through nfs mounts or cifs shares...

If you go this route, don't use NFS mounts to backup mixed or NTFS
qtrees.

An NFS mount/backup can only handle the NFS data and metadata properly.
A CIFS mount/backup can handle both NFS and CIFS data.

-- 
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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