I'm wondering if CMSDDR has some kind of internal limit of 1G.. I notice that:
512*2097151=1073741824 (512 byte blocks) 1024*1024*1024=1073741824 (1K cubed) Scott Rohling On Mon, Jul 11, 2011 at 4:06 PM, Smith, Wayne H Mr CTR DISA CDB12 < wayne.smith....@csd.disa.mil> wrote: > ** > > I’m having issues using CMSDDR. The output is copied below. Any > thoughts? > > The device I’m CMSDDRing is an MDISK defined on an EDEV. The size of the > MDISK is 17 gig. > > I **can** use CP DDR to copy the MDISK to another MDISK of equal size > defined on the same EDEV. I ran CP DDR because the error message seemed > to imply that there was an I/O error reading the input device(A497). CP > DDR could read the entire MDISK so I believe the error message is > misleading. > > A couple random pieces of information: > > - We are running z/VM 5.4; CMS Level 24, Service Level 002 > > - I’ve used CMSDDR to create CMS files from other smaller MDISKs > defined on the same EDEV. > > - The MDISK on which I’m trying to create the new file is larger than > the MDISK I’m trying to CMSDDR. > > - I’ve tried CMSDDR with a small and large (2 gig) virtual machine > size. > > - The CMSDDR invocation which fails does create a file on the target > MDISK. I believe it contains blocks 0-2097151. > > cmsddr dump a497 temp xxxx z > > z/VM DASD DUMP/RESTORE PROGRAM > > HCPDDR696I VOLID READ IS LXA497 NOT VOLSER > > DUMPING LXA497 > > DUMPING DATA 07/11/11 AT 20.42.35 GMT FROM LXA497 > > INPUT BLOCK EXTENTS OUTPUT BLOCK EXTENTS > > START STOP START STOP > > HCPDDR705E I/O ERROR A497 IRB 00000000 000311D0 0E000000 00000000 00000000 > > SNS 80000000 00000004 00000000 00000000 00000000 00000000 00000000 00000000 > > CCW 63031820 40000010 > > INPUT 000002097152 OUTPUT 000002097152 > > 00000000 02097151 00000000 02097151 > > END OF DUMP > > BYTES IN 1073829304 BYTES OUT 0020546574 > > BLOCKS NOT COMPACTED ON TAPE - 0000000000 > > END OF JOB > > Ready(00004); T=0.80/1.42 16:42:54 > >
