RSRV use......?

Hi gurus,

Please let me know about the transaction code RSRV. what is the use of it. How to use it. I am trying to explore on it. but i unable to find any information onthis. can anyone help me in this.

i know that it is analysis and repair of BW objects. can anyoen tell by taking any example for understanding. or any document on this.

swethagee@yahoo.co.in

Regards

swetha