SRC A9002000 on an HMC-Managed System after Installing from a SAVSYS

A restore was completed from a V5R1 system to a new Model 570 at V5R3 following the procedure for a slip migrate release. At the point where the users were ready to do a B-IPL, they could not access the system console, which was a HMC console. They received an SRCA9002000, which indicates the system console cannot be found. A manual B-IPL works fine through DST and locates the console.

The problem was with the old controller type that was brought over with the restore from the V5R1 system. WRKCTLD showed controllers, but these were brought over from a V5R1 configuration. They did not work because the controllers used for an HMC console are of a different type. There was a 2746 Twinax CTLD varied on with no device under it. They had 5 CTL0x twinax controllers.

To resolve the problem, vary off all old CTLDs from the V5R1 system and turn on QAUTOCFG. After the normal IPL starts, it will autoconfigure a CTLD for the HMC console that is the correct type, and the console will have a sign on screen.