This section is for sites that are upgrading from LIB/CCF r3.7 or earlier.
The Library Chain Definition Function (LCDF) eliminates certain LIB/CCF administrator tables. LCDF lets you define production and test master file pairs and their associated libraries (object, load, history) with any number of intermediate Q/A and reject libraries. Each set of files contains a library chain defining a promotion path for members under development.
One of the primary benefits of LCDF is that all master file definition information is collected into one set of members and is shared by all CCF systems. Also, a file's characteristics are defined only once, regardless of how many library chains it is used in.
LCDF is available in the CA Roscoe, ISPF(TSO) and ISPF(VM/ESA or z/VM) environments as Administrator option 12.11, replacing the Master File Definition Table (12.4), the Production Master File Table (12.6), the History Master File Table (12.7), and the VM/ESA and z/VM Master File Information Table (12.10). The information formerly carried in these tables is now in restructured members on the System Master File.
If you are upgrading to r4.4 from r3.7 or earlier, the information in the affected tables must be converted to the new format. LIB/CCF r4.4 does not operate in the above environments without the information in the new format.
To assist in the upgrade to r4.4, there is a program to reformat the existing table information and update the System Master File accordingly, allowing work in progress to continue.
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