>2) ' Catalog can suffer as they have to register all extents.' Not in a long time. When IBM went to ICF, the catalogue structure changed, and the entry in the BCS is just the DSN & the VOLSER. All other information is in the VVDS.
Extents have long stopped being a performance issue. But, I still have a bias towards keeping them down as much as possible. Large files in many extents can end up with no room to grow. - Too busy driving to stop for gas! ---------------------------------------------------------------------- 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
