Migration Information › Dynamically Back Out from 12.6 to 11.5 (Service Pack 5 or Service Pack 6)

Dynamically Back Out from 12.6 to 11.5 (Service Pack 5 or Service Pack 6)

If you upgrade to 12.6 from 11.5 (service pack 5 or service pack 6) without an IPL (and have not IPL’ed with 12.6 installed), you can go back to 11.5 (service pack 5 or service pack 6) without an IPL.

IMPORTANT! To remove 12.6 dynamically, SECWTO=YES is required. For more information about the security setup of the BATCH, DEACT, REINIT resources for TMSINIT, see the Programming Guide.

To use the features of the Release 11.5, you can back out from 12.6 to 11.5.

Follow these steps:

1. Stop tape processing and back up the TMC and Audit data sets using your currently installed version of TMSCOPY.
2. Remove the CA 1 catalog intercept by running the CAS9 procedure with the following control statements for CA 1 in CARIMPRM pointing to the 12.6 libraries:

   PRODUCT(CA 1/MVS) VERSION(L0C6) INIT(L0C6INIT) -
   PARM(REINIT,COSI=NO) -
   LOADLIB(hlq.ca1.r126.CTAPLINK)
   

3. Stop CTS if active.
4. Deactivate CA 1 by starting 12.6 TMSINIT and replying with the system password. This process removes the 12.6 OSI intercepts.
5. Empty the 12.6 members from the 11.5 (sp5 or sp6) link-listed library. Copy the entire contents of the backed up 11.5 (sp5 or sp6) load library back into the 11.5 link-listed library. Issue a F LLA REFRESH.
6. Load 11.5 (sp5 or sp6) dynamically by executing the CAS9 procedure with the following control statements for CA 1 in CARIMPRM:

   PRODUCT(CA 1/MVS) VERSION(L052) INIT(L052INIT) -
   PARM(REINIT,LPA=ALL,SVC=xxx,SMF=YES) -
   LOADLIB(hlq.ca1.r115.CAILIB)
   
   PRODUCT(CA 1/MVS) VERSION(L052) INIT(L052INIT) -
   PARM(REINIT,COSI=YES) -
   LOADLIB(hlq.ca1.r115.CAILIB)
   

7. Using the 11.5 (sp5 or sp6) options library, start the 11.5 TMSINIT to activate CA 1.
8. Start CTS if previously active.