Need help to migrate data from 1 file library to another

Hi ,

I need your help to get a best possible solution on the below query.

There is a File Library configured on the data protector 5.5 and the data is backed up on an EVA volume. Customer has purchased a new server & a new Storeonce 4700 . he wants to migrate data from the EVA to this new StoreOnce. in short he wants to migrate the data from 1 file library to another on a different cell manager. Data protector version on the new server will be DP8.1.

Thanks & Regards,