Yes, I do remember all these things, but they are not relevant here. As you say things have changed and the topic is now the current paging situation.
Kees. -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Ted MacNEIL Sent: Friday, March 01, 2013 15:20 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: DFSORT Weirdness >That's just crazy talk. While there might be some load balancing >related motivations for using similar sized page data sets, ASM most certainly uses the full capacity of all of the data sets Okay. Maybe things have changed. Maybe my mind has gone. When I first started in Performance, we were taught to keep all PAGED/S the same size. And, we were taught to use the ZAP documented in INIT&TUNE. Of course, that was also at the time the Extended Swap IUP was first introduced. So we had for types of data sets to worry about: COMMON LPA Local & SWAP. Plus duplexing, dedicated paths/volumes, and the introduction of 1 cylinder LPA & putting it and COMMON on the same pack. Of course, DASD was **VERY** expensive then. Dollars per MEG instead of pennies per GIG. We had the same cost arguments regarding the dedication of **HUGE** 3350's vs Tiny 3330's and *HUMUNGUS* 3380's vs either back then. 3290's not so much. Anybody remember String-Switching and Fixed-Head 3350's? - Ted MacNEIL eamacn...@yahoo.ca Twitter: @TedMacNEIL ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
