On Tue, 2011-02-22 at 11:06 -0500, Bill Fairchild wrote: > One purpose of ROUND was to reduce DASD revolutions that did not > transfer any data.
According to my fading memory, Back In The Day a limited set file mask had to be imposed on CCW strings against non-cylinder-aligned extents. Hence those unappetizing standalone seeks. Define Extent was a goodness. -- David Andrews A. Duda & Sons, Inc. david.andr...@duda.com ---------------------------------------------------------------------- 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
