The real recommendations are found in "Setting Up a Sysplex",
section "Considerations for All Couple Data Sets", bullet labeled "Performance
and Availability Considerations" (http://publibz.boulder.ibm.com/cgi-
bin/bookmgr_OS390/BOOKS/IEA2F180/3.1?
SHELF=IEA2BK80&DT=20070502150700). Health Checker is just an
implementation of these recommendations.
The current recommendation is to place the sysplex and CFRM primary CDSes
on separate volumes. There is no longer any recommendation to separate the
Logger primary CDS from either of those two. Health Checker is being updated
in an upcoming release to reflect this change.
Bill Neiman
XCF Development
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