My MVS guy IPL'ed 1 of our dev systems under z/OS 1.8 --- I ran the template job, he then re-ipled that system and then brought the other Development systems up under 1.8. We ran Dev 1.8 and Prod 1.7 for about a month with no problems.
Keep in mind that the Migration Guide indicates to do it this way. IE: "Security Server actions to perform after the first IPL of z/OS V1R8. This section describes Security Server migration actions that you can perform only after you have IPLed z/OS V1R8. You need a running z/OS V1R8 system to perform these actions. Update database templates Description: To ensure that the RACF utilities function properly, use the IRRMIN00 utility to update the test and production RACF databases with the database templates for the current release level." Also, there is a z/OS 1.7 - 1.8 "compatibility issue" ... Migration Guide also indicates: Security Server: In z/OS V1R8, the structure of the RACF database was changed to allow a template block to be continued into another block. The PTF allows a z/OS V1R7 system to process templates that extend into another block. If you share a RACF database between z/OS V1R8 and z/OS V1R7, you need to install the PTF on the z/OS V1R7 system. UA24980 Rgrds, Joseph Sumi Lockheed Martin Information Technology z/OS & RACF Systems Programming -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Andy Robertson Sent: Tuesday, May 06, 2008 10:07 AM To: [email protected] Subject: Question on RACF database upgrade for z/OS 1.7->1.8 Hi Just starting to plan the 1.7-> 1.8 z/OS upgrade We have a four-system sysplex and intent to go to 1.8 by doing a rolling update over a week. Ie there will be about a week with some systems running z/OS 1.8 and some running z/OS 1.7 One thing I can't seem to find unambiguous information about is the update path for the RACF database, ((which is shared by all systems in the plex)) At the moment we plan to do the following: a) ON a 1.7 SYSTEM run IRRMIN00 UPDATE at level 1.8 (ie with the service pack library STEPLIBed) against the 1.7 primary database. b) ON a 1.7 SYSTEM run IRRMIN00 UPDATE at level 1.8 (ie with the service pack library STEPLIBed) against the 1.7 secondary database. c) Run for a few days d) IPL some systems from the 1.8 residence pack e) Run for a few more days doing other testing f) Ipl all systems from the 1.8 residence pack Is this safe? Will the 1.7 systems tolerate the 1.8 templates in the database? Or should we go the other way and do the upgrade after we IPL to 1.8? Hope this is clear. ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- 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
