Jim, I've not seen an answer to your question. But you need to list all the first OSA addresses in the SET VSWITCH command. so: SET VSWITCH name RDEV prim_osa C000 CONNECT If you use: SET VSWITCH name RDEV C000 CONNECT Then you effectively drop your primary OSA connection and switch to your backup one. That's fine if you need maintenance on your primary OSA, but not when when you want to go to the high availability steady state....
Ronald van der Laan
