Sorry - I meant that 512*2097152 = 1073741824 .. which is the real block count when starting at 0
Exactly 1 gigabyte... Scott Rohling On Mon, Jul 11, 2011 at 4:21 PM, Scott Rohling <scott.rohl...@gmail.com>wrote: > 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 >> >> >
