Actually, because JES2 normally does not have a ENQueue on its PROCLIBS, you should be able to compress it with DISP=OLD. That will stop any I/O errors for JCLLIBs.
Regards Bruce Hewson ---------------------------------------------------------------------- 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