failed to preserve ownership operation not permitted

Hi i have written one backup script in linux workstation.The backup script will do zipping files and moved to the backup directory(i,e /net/ts-bcn/sb_backup/sand).

#So while moving zipped files to the backup directory i am getting some error like this

error:mv:failed to preserve ownership /net/ts--bcn/sb_backup/sand operation not permitted.

i am getting the file owner and group owner as nfsnobody for the zipped files.

on UNIX, for security reasons, root usually becomes anonymous, nobody etc... when on a mounted NFS....

yogks,

How about you add some options on your tar command preserving the permission? did you set that option?