[Simh] moving disk images

[Hittner, David T.]

If you moving to Alpha VMS, it's likely a record attribute difference.

Create a disk file using the VMS system and compare the record attributes to
the one you copied.
If they differ, use the SET FILE command to fix the record attributes.

Dave 

> -----Original Message-----
> From: simh-bounces at trailing-edge.com 
> [mailto:simh-bounces at trailing-edge.com] On Behalf Of Thomas Pfau
> Sent: Tuesday, July 08, 2008 10:42 AM
> To: Jason Stevens
> Cc: simh at trailing-edge.com
> Subject: Re: [Simh] moving disk images
> 
> I'm trying to move a VAX image from an Intel linux system to 
> an Alpha running VMS.  Both systems should be little endian.  
> A dump of the first couple of blocks after transferring to 
> the Alpha looks ok.
> 
> Jason Stevens wrote:
> > I've moved images between various x86 OS's (MS-DOS, 
> Windows, OpenBSD), 
> > m68k (NeXTSTEP), ppc (OS X)...
> >
> > I wonder if on your target somehow it's "helping" you by doing an 
> > endian swap & screwing it up....
> >
> > You can quickly cobble up something to read two bytes from a file, 
> > swap them and write it back out to disk.....
> >
> > On Tue, Jul 8, 2008 at 10:23 AM, Thomas Pfau 
> <pfau at nbpfaus.net> wrote:
> >
> >> Should I be able to move a disk image from a linux machine to a 
> >> Windows or OpenVMS Alpha machine and use it?  I am trying 
> to move my 
> >> system disk to another computer but it won't boot.  The simulator 
> >> halts at 4C02.  I have tried copying the file using ssh.  
> That didn't 
> >> work so I tried adding the disk image to a zip file and 
> transferring 
> >> that.  That didn't work so I tried putting it in a tar 
> file.  Still 
> >> doesn't work.  Is the disk image format different on different 
> >> architectures?
> >>
> >>
> >> --
> >> tom_p
> >> http://nbpfaus.net/
> >>
> >> _______________________________________________
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> >> Simh at trailing-edge.com
> >> http://mailman.trailing-edge.com/mailman/listinfo/simh
> >>
> >
> 
> 
> --
> tom_p
> http://nbpfaus.net/
> 
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