Another possible -- although perhaps a bit questionable -- benefit of multiple images is that it gives you another layer of control over system resources allocated to your production work. WLM is a fine thing, but it does have its gotchas; LPAR weighting can assure that the production systems *always* outweigh the others.
Jon ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html