This thread brings me way back to the PORs needed for MVS/XA testing on the 3081.
Shut down production MVS/SP POR to MVS/XA mode Test MVS/XA Shut down MVS/XA POR back to MVS/370 mode IPL MVS/SP Each POR took about 30-45 minutes from what I recall. Tom Conley wrote on 1/17/19 9:19 AM: There is no WHY. There is only....POR. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu<mailto:lists...@listserv.ua.edu> with the message: INFO IBM-MAIN Please be alert for any emails that may ask you for login information or directs you to login via a link. If you believe this message is a phish or aren't sure whether this message is trustworthy, please send the original message as an attachment to 'phish...@meredith.com<mailto:phish...@meredith.com>'. -- Mark Jacobs Time Customer Service Global Technology Services The standard you walk past is the standard you accept. Lt. Gen. David Morrison This electronic message, including any attachments, may contain proprietary, confidential or privileged information for the sole use of the intended recipient(s). You are hereby notified that any unauthorized disclosure, copying, distribution, or use of this message is prohibited. If you have received this message in error, please immediately notify the sender by reply e-mail and delete it. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN