>I've never seen anyone who could tell a performance imapct of keeping it on. >Either system wide or individually.
>Ted, do you have any response time numbers or overhead numbers? Not lately, but I have seen it in a small shop with limited TSO DASD. Besides, the best I/O is no I/O. I convinced everybody, where I last worked, to turn it off. Maybe it was the placebo effect, but empirically, response improved. If I'm doing needless I/O, I have to be introducing something into the mix. - 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