This is the kind of question that should be easy to find the answer. But the obvious places do not provide it. Also I feel I should know the answer but have forgot - getting old!
We have page datasets with 40% allocated slots. We do not page (have lots of free memory). D ASM,ALL But the allocated slots is less that the sum of all the address spaces. When is space allocated on a page dataset. I was thinking when virtual storage is requested. But this contradicts the process of spreading several pages across page datasets during page out ---------------------------------------------------------------------- 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