It was. ECKD was announced in the early- to mid-80s, which was 25+ years ago, which is several decades ago. Not all users respond quickly.
Bill Fairchild Rocket Software -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Anne & Lynn Wheeler Sent: Tuesday, March 22, 2011 7:03 AM To: IBM-MAIN@bama.ua.edu Subject: Re: "Social Security Confronts IT Obsolescence" for other drift ... recent thread in (linkedin) Mainframe group about Oracle on zLinux under zVM having bad thruput on "CKD" disks (before moving to non-CKD) ... "CKD" should have been junked several decades ago. misc past posts on the subject: http://www.garlic.com/~lynn/submain.html#dasd ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- 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
