This configuration works fine, I've used it several times before. Under Linux no changes should be needed to the Simh code but under Windows you will need to change sim_fio.c as follows:
#include "sim_defs.h" change to: #include <share.h> #include "sim_defs.h" --- return fopen64 (file, mode); #else return fopen (file, mode); #endif change to: return fopen64 (file, mode); #else return _fsopen (file, mode, _SH_DENYNO); #endif This will prevent exclusive locking on the image file. I don't know if any changes are needed to the other supported platforms. I also did a demo last year with storageworks disks on a shared SCSI bus between a PC and a VAX 4000-200 (with a CMD MSCP/SCSI card). The system disk was a host based shadow set made up from two of the SCSI disks, maintained by Simh and the real VAX. Matt On 29/09/2011 09:00, patrick renouvel wrote: > Good morning, > > I used often SimH for VAX emulation Standalone as well as LAVC. > > I'd like to boot two SimH instance on the same disk (sys0 and sys1 ) > to have a copy of our Charon Cluster. > > Did somebody try this once ? > > Any lock troubles ? > > Thanks a lot for your precious help. > > Kind regards. > > Patrick. > > > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh
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