Pierre, I'm sending you sysout.
Dynamically Back Out from 14.0 to 12.6 Last update November 3, 2016 If you upgrade to 14.0 from 12.6 without an IPL (and have not performed an IPL with 14.0 installed), you can go back to 12.6 without an IPL. If you have performed an IPL after making 14.0 active, perform an IPL...
Dynamically Upgrade from 12.6 to 14.0 Last update November 3, 2016 This section documents how to upgrade from release 12.6 to 14.0 without an IPL. Note: If you have installed any of the CA TLMS Tape Library Management System z/OS usermods from a previous release, you can continue to...