With the new flash drives there are no more SPINNING parts. Sent from my Verizon, Samsung Galaxy smartphone Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Phil Smith III <li...@akphs.com> Sent: Tuesday, August 8, 2023 2:18:14 PM To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> Subject: Re: Will z/OS be obsolete in 5 years?
Colin Paice wrote: >These days disks are virtualized. I think the unit is the track. Two >"adjacent" tracks from a data set perspective could be on different PC >sized disks in the disk subsystem. The "disks" are usually irrelevant >as the data is usually in cache! This gets humorous at times. Someone I knew was doing a FIPS certification. Part of the process is taking pictures of the hardware used. That meant that a FIPS certification lab person got to fly to their outsourcer location and take a picture of *a* z CEC and *a* disk array-nobody was really sure which system they were physically running on at that moment, and certainly not where the data was spinning! ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN