In <[EMAIL PROTECTED]>, on 09/03/2005 at 03:21 PM, Terry Sambrooks <[EMAIL PROTECTED]> said:
>The phrase alternate sysres is a part of my culture, or at least was >up to March 1999. The maintenance philosophy dictated that our main >system volumes operated in pairs. The active set and a maintenance >set. The maintenance set would receive all changes, which required an >IPL to be implemented, and once a month the IPL would occur off the >maintenance set. If the IPL ran smoothly the maintenance volumes >became the active set, and the previous active set became the new >maintenance set. The next maintenance cycle beginning with a clone to >refresh the new maintenance set from the current active set. As part of that process I always ran a regression test and also froze maintenance until production had been running on the new service level for a reasonable period of time. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html