[Simh] Mounting simh disk files in Linux

Joshua Overmiller overmiller at gmail.com
Fri Mar 4 03:36:46 EST 2016


I'm having errors attaching the XQ controller to eth0.
Note: I'm using Debian Jessie.

I also had problems when trying to make the simh targets.  I got an error
from the make file about statically linking against libpcap.
I...removed the check from the makefile and built it anyways.  Did I do a
bad, bad thing?

I am going to go back and find Toby Thain's write-up as another user
suggested and see where that gets me.

Now...as to Open VMS itself.  We have one production machine.  A MicroVAX
3100-90 running OpenVMS 5.5-2.  It's using the CMUIP stack for
communicating on our network.
That machine is all we have licenses for.  Thus we do not have licenses for
any of the hobbyist stuff, DEC IP, etc.

We have CD images for OpenVMS 6.1 and 7.1, but no licenses for them.  The
plan is use the OpenVMS 6.1 install CD to boot to Stand-Alone backup.  An
image backup save_set of the MicroVAX system disk will made on the MicroVAX
and uploaded to the Linux machine.  I'll use mkisofs in Linux to create a
CD image of the save set.  The OpenVMS 6.1 Stand-Alone backup will use used
to restore the MicroVAX save_set to a simh disk.  Then reboot simh from
that disk.  Hopefully we should be good to go (pending any
reconfigure/AUTOGEN issues).



On Thu, Mar 3, 2016 at 2:48 PM, Mark Pizzolato <Mark at infocomm.com> wrote:

> Hi Joshua,
>
>
>
> Please elaborate the details of your networking problems with the simh VAX.
>
>
>
> You should be able to build a vanilla VMS install on simh using the
> Hobbyist pieces of BOTH VMS and either the DEC IP stack or MultiNet and use
> that system as your import export tool.  That system will absolutely no
> issues mounting simh disk images or running backup to restore your saveset
> to a different simh disk.
>
>
>
> -          Mark
>
>
>
> *From:* Simh [mailto:simh-bounces at trailing-edge.com] *On Behalf Of *Joshua
> Overmiller
> *Sent:* Thursday, March 3, 2016 6:36 AM
> *To:* simh at trailing-edge.com
> *Subject:* [Simh] Mounting simh disk files in Linux
>
>
>
> I've built the ods2 tool and ods2reader from http://www.vms2linux.de/ in
> order to try to read the simh disk files.
>
>
>
> However, trying "ods2 mount d0.dsk" responds with "Mount failed with 2312".
>
> Trying "ods2reader -l d0:[000000]"  gives:
>
>     d0:[000000] -- Bad block in file
>
>     d0:[000000] --- Cant't read index file header on d0
>
>
>
> d0.dsk corresponds to DAU0 which is a RA92 disk.
>
>
>
> Note there were some warnings when building both tools, but they both
> build.
>
>
>
> For ods2:
>
>
>
> ods2.c: In function ‘main’:
>
> ods2.c:1165:13: warning: ‘gets’ is deprecated (declared at
> /usr/include/stdio.h:638) [-Wdeprecated-declarations]
>
>              if (gets(str) == NULL) break;
>
> ods2.o: In function `main':
>
> ods2.c:(.text.startup+0x2d5): warning: the `gets' function is dangerous
> and should not be used.
>
>
>
> For ods2reader:
>
> Various warnings about implicit declaraions of builtin functions strlen,
> strcpy, and strcat.
>
>
>
>
>
>
>
>
>
> More info to follow to get some insight into what my plans are.
>
>
>
> My end goal is to migrate a physical MicroVAX 3100-90 VMS 5.5 system to
> simh.
>
> I've been playing around with learning the BACKUP utility and Stand-Alone
> BACKUP under simh before I try anything out on the real system.  I can make
> an image backup of the system disk to a SAVE_SET on another disk.  The
> MicroVAX has the CMUIP installed so I can FTP the SAVE_SET off onto our
> network.  I plan to write the SAVE_SET to an iso image for simh VAX to
> mount and copy to a local disk.  I will then use BACKUP to restore the save
> set to a local disk.
>
>
>
> I will also want to get some files off the simh VAX.  Hence the need to
> mount the simh disk image files.
>
>
>
> I'm struggling with getting the networking running in simh, so I'm looking
> into this route.  However, other suggestions for getting files out of the
> simh disk image files are welcome.
>
>
>
>
>
> Thanks,
>
>
>
> Josh
>
> .
>
>
>
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