On Sun, 3 Jan 2010 23:05:18 +0100, Lindy Mayfield wrote: >what does he mean by "... a schedule time operation..."? what does that mean? > In the Bad Old Days, the production administrators would provide to operations a handwritten Run Sheet for each job, specifying resources such as expected execution time, storage requirements, number of tape drives, and volumes to be mounted on each. The operators would arrange these so that at no point were the available resources overcommitted, the pass them on to the tape ape who would run up and down the aisles pulling tapes and stacking them on a cart in the order that jobs would need them.
JCL automated some of this. TMS, JES3 Setup, and automated tape libraries did more. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html