On Fri, 12 Jan 2018 01:32:07 +0100, R.S. wrote: >BTW: an "awful waste of storage" is MCU on EAS which is 21 cyl. (315 >trk). It is much more than 4kB and more than 4MB.
Not such a big deal for very large data sets, which are the most appropriate ones to go into the cylinder-managed space. When you have a quarter of a million cylinders, allocating space on increments of 21 cylinders isn't so bad, IMO. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
