CA EXTEND/DASD is the CA VSAM data set compression package. If CA FAVER has exported CMPPRM and CMPTBL information, RESTORE attempts to restore these members. No parameters are required; CA FAVER recognizes when CMPPRM and CMPTBL exist on the EXPORT file. Error messages are generated based on whether the interface successfully restored the members. When CA FAVER has the CMPPRM and CMPTBL members on the EXPORT file, but CA EXTEND/DASD for z/OS is no longer available, CA FAVER checks whether the data is compressed. If the data is compressed, CA FAVER does not restore the file (it would be unusable without CA EXTEND/DASD for z/OS/).
To use the CA FAVER-CA EXTEND/DASD interface, you must place GVRESTOR in an authorized library. With the interface, the region size available to run a RESTORE job increases. If you were running GVRESTOR with 512K, it must be increased to 750K. Increase the region size by 500K for jobs above 1M.
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