RE: creating DASD

"Dave Wade" <g4ugm-/rAkYNWUBEC+PENguQupYdBc4/[email protected]>
Newsgroups gmane.comp.emulators.hercules390.vm
Message-ID <7CB9811837A7455AADAC89E544A6C2CC@G4UGMT41>
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Mike Stramba
> Sent: 07 August 2010 09:53
> To: [email protected]
> Subject: Re: [H390-VM] creating DASD
> 
> 
> Dave,
> 
> On 8/7/10, Dave Wade <g4ugm-/rAkYNWUBEC+PENguQupYdBc4/[email protected]> wrote:
> >
> > 1. Mount the volume (devinit in herclules) at an address that's has 
> > the proper type in DMKRIO. (watch out for -11)
> 
> >(watch out for -11)
> 
> What does that mean ?

Different models of device. So 3330 come as -1 and -11 and I seem to
remember there rules on which can be mounted on what..

> 
> > 5. Use LISTDS to see files on the device.
> 
> Didn't even know that command was on the VM disks !
> 

Yes its there, (on CMS disks, VM generally refers to CP which doesn't have a
file system) but I think there is some smoke and mirrors some where as you
seem to be able to use "LIST" for either LISTDS and LISTFILE....

> > 6. Use FILEDEF to set up OS DD statements and run programs 
> against the 
> > files (hint MOVEFILE  and PDS option if you want them on CMS DASD)
> 
> Hmm interesting.
> 
> Once the dasd's are mounted, does VM use compatible system 
> control blocks to MVS? ...  (E.g. can the CBTAPE (assembler) 
> utilities to read / write PDS's be used ?)
> 

I would expect so, except there is only READ access to PDSs and many
utilities use the MVS varients of GETMAIN which are not supported by CMS.
(remember MVT macros only)

> > So you can actually re-assemble IFOX on VM using the MACLIBS while 
> > they are still on the OS Volumes.
> 
> Using the CMS assembler ?
> 

Well the "CMS" assembler is IFOX running under MVT/OS emulation., so its
both the MVS and the CMS assembler...

Dave Wade G4UGM
Illegitimi Non Carborundum
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