Why does Common Services include the USS Based file systems? Are they required or are they included for installation only?
CA COMMON SERVICES FOR z/OS 14.1 & 15.0 - z/OS supported releases -
The USS Based file systems are included for J2Z (Java to z/OS) and Tomcat.
They are included for support of SYSVIEW, VIEW, and Webviewer.
They are NOT shared across a SYSPLEX but can be deployed on other LPARS.
See the Common Services r15.0 documentation detailing the Deployment and Configuration of CCS USS-Based Services