On Wednesday, 08/25/2010 at 07:49 EDT, Tom Huegel <[email protected]> wrote: > I am looking for a way to verify at IPL time that z/VM is using the volumes I > intended. > It is possible that there are more than one volume with a volid of xxxRES > xxxWK1 xxxWK2 etc. > I could put something in the AUTOLOG1 PROFILE EXEC to do Q DASD and verify that > xxxRES is at address x'100' and xxxWK1 is at x'101' and xxxWK2 is at x'102'.. > etc. but that can be messy and diffacult to maintain. > Then I thought I could do something in the SYSTEM CONFIG file. > SYSTEM_IDENTIFIER_2094_123ABC_GOODSYS > SYSTEM_IDENTIFER_DEFAULT_BADSYS > IMBED -SYSTEM- CONFIG > In GOODSYS CONFIG I would have all of the normal stuff. > In BADSYS CONFIG maybe just a bunch of SAY 'WRONG SYSTEM' statements.. > This doesn't verify anything beyond that this is the correct xxxRES for this > LPAR. If the volume was cloned (DDR) it would pass this test anway. > Just courious as how others handle this, if at all. > Thanks for any thoughts.
You need to use the DEVICES OFFLINE_AT_IPL and ONLINE_AT_IPL statements in SYSTEM CONFIG that I discussed in a July post. http://listserv.uark.edu/scripts/wa.exe?A2=ind1007&L=IBMVM&P=R1084. Checking AFTER the system has IPLed is too late. Alan Altmark z/VM Development IBM Endicott
