Don't know about VMARC -- but CMSDDR is packing the entire minidisk - empty space and all... Why not just VMARC the files on the disk and forget about CMSDDR?
Scott On Thu, Oct 15, 2009 at 5:05 PM, Henry, Bob <bob.he...@sungardhe.com> wrote: > I’m using CMSDDR and VMARC to transfer some CMS minidisks via FTP. Both > utilities seem to produce more output than the original data on the > minidisk(s). Here’s an example. > > > > User has 25 files (mostly COBOL source and/or JCL) in a 4 cylinder 3390 > minidisk, blocked 4096. A “Q DISK” shows 76 blocks used, 644 blocks left. > > CMSDDR on that minidisk shows 2,957,040 bytes IN, 2,634,392 bytes OUT, 41 > tracks not compacted. The output file from CMSDDR has 101 records of > LRECL=49152 using 644 blocks (size 4096). > > VMARC (of the CMSDDR output file) shows IN=2,634,392 and OUT=3,142,240. It > produces a file of 38,736 records with LRECL=80 using 757 blocks (size > 4096). > > > > Does anyone have any explanation why these utilities “grow” the amount of > data to be transmitted rather than “shrinking” it? Am I missing something? > I’m using just the default options for both programs. > > > > Any help would be appreciated. >