Example 4 — Creating a Subpool in Nucleus Storage

By default, CMS allocates storage for your subpools from the USER subpool. To specify that CMS allocate storage for a private subpool named ALLMINE and that storage be in nucleus key, code:
SUBPOOL CREATE,NAME='ALLMINE',KEY=NUCLEUS,ERROR=STORERR

You cannot use the CMSSTOR macro to create named subpools in nucleus storage.