Well, not to answer my own question, but I had a reply off-list that pointed me at z/OS Newsletter Hot Topics February (#24) issue that talks about CA reclaim (page 44). It includes some methods of judging whether CA Reclaim is effective. So thanks for the response, and for anyone else interested, here's the URL:
http://www-03.ibm.com/systems/z/os/zos/bkserv/hot_topics.html Regards, Greg -----Original Message----- From: IBM Mainframe Discussion List On Behalf Of Greg Shirey Sent: Wednesday, June 15, 2011 10:38 AM To: IBM-MAIN@bama.ua.edu Subject: CA reclaim benefits Hello all, We are migrating to z/OS 1.12 soon, and we were contemplating how we might measure the benefit of the CA Reclaim feature. Will we be able re-allocate our VSAM files with less freespace, or smaller secondaries, or smaller primaries? Or is the only ROI, so to speak, not having to schedule reorg jobs? Has anyone worked on measuring this? Can you share your strategy? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html