Mark,
If you need and (remote) help with this...
Let me know. I will make myself available as necessary.
-Steve
________________________________
From: owner-hecnet at Update.UU.SE on behalf of Mark Wickens
Sent: Tue 9/6/2011 02:55
To: hecnet at Update.UU.SE
Subject: [HECnet] DEC Legacy Event is nearly upon us...
Just a reminder that the DEC Legacy Event is nearly upon us!
October 8/9 in Windermere, more information here: http://declegacy.org.uk <http://declegacy.org.uk/>
The exhibits page gives a summary of the hardware that will be making an
appearance: http://wickensonline.co.uk/declegacy/hardware
I'm in the process of securing an internet connection. Hopefully I'll be
connecting a couple of my boxes to HECnet over the course of the
weekend, to show participants what they're missing out on.
Regards, Mark.
Lots of Unices use "partition" names to designate part of all of a physical device; for example on NetBSD the suffix "d" by convention means "the whole disk". On the other hand, on Linux no suffix is the whole disk, and letter suffixes mean (real) partitions.
I didn't know that CDRoms could be partitioned. But you can check this easily: "cat /proc/partitions" shows you all the partitions that the OS can see (on all the visible disks).
paul
-----Original Message-----
From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Mark Benson
Sent: Tuesday, September 06, 2011 2:22 AM
To: hecnet at Update.UU.SE
Subject: Re: [HECnet] SIMH on CentOS 5.6
On 6 Sep 2011, at 06:52, hvlems at zonnet.nl wrote:
The dd command ought to produce a bootable copy of the cdrom. On Tru64
the correct partition is If=/dev/disks/ cdrom0c
When I dd'd off a copy of the VAX VMS CD-ROM it didn't work for me initially either. Now I can't remember which way round it was now, but I think I dd'd the whole CD-ROM and it didn't work and then I dd'd off only the *partition* with the data in and that worked fine. Either that or the other way around. From the looks of the quote above you only need the partition.
Memory is terrible, sorry :)
--
Mark Benson
My Blog:
<http://markbenson.org/blog>
Follow me on Twitter:
http://twitter.com/mdbenson
"Never send a human to do a machine's job..."
On Mon, 5 Sep 2011 22:41:35 -0700, you wrote:
Does anyone have any pointers for making an ISO image of the CD? Am I doing
it wrong? I would like to make a backup of the disk because I'm already on
my second physical copy and would like to back it up before I lose it again
You may already know, but... Please note that a VMS CD-ROM bootable image is
not ISO 9660 formatted. So don't be misleaded if a correctly made image does
not mount on Linux or whatever (or does not show up on Windows): don't take
that as a test! The only way to check for a VMS CD-ROM image integrity is by
having it booted or mounted in VMS.
There is also a vmscd utility that can be used to inspect and extract data
from such an image on Linux. Just look for it with Google.
There is no difference between a VMS CD-ROM bootable image and a classical
VMS hard disk image: they are both structured as an ODS-2 filesystem.
Anyway, VMS can also mount and use ISO 9660 CD-ROM data discs and images.
HTH, :-)
G.
P.S. Itanium-bootable images are different.
Just a reminder that the DEC Legacy Event is nearly upon us!
October 8/9 in Windermere, more information here: http://declegacy.org.uk
The exhibits page gives a summary of the hardware that will be making an appearance: http://wickensonline.co.uk/declegacy/hardware
I'm in the process of securing an internet connection. Hopefully I'll be connecting a couple of my boxes to HECnet over the course of the weekend, to show participants what they're missing out on.
Regards, Mark.
On 6 Sep 2011, at 07:30, Ian McLaughlin wrote:
When I dd'd off a copy of the VAX VMS CD-ROM it didn't work for me initially either. Now I can't remember which way round it was now, but I think I dd'd the whole CD-ROM and it didn't work and then I dd'd off only the *partition* with the data in and that worked fine. Either that or the other way around. From the looks of the quote above you only need the partition.
Memory is terrible, sorry :)
On my system (CentOS 5.6) I see the /dev/cdrom device which is symbolically linked to /dev/hda (which makes sense - it's the only IDE device I have in the machine). There is no hda1 or other devices for the partitions. fdisk /dev/hda comes back with an invalid partition table.
I remember how it went now - I was doing it on a Mac which uses a BSD disk structure. I dd'd the disk device (/dev/disk6) and it wouldn't work. I then dd'd the slice that reported as the actual volume (/dev/disk6s0) and it worked a charm.
I don't know how that's represented in Linux, however. Also fdisk won't show a partition table for a CD-ROM, I don't believe, because they are not structured as hard drive partitions. I put my VMS VAX CD-ROM in my Ubuntu box and the Disk Utility reports it at /dev/sr0 which is a SCSI ID but my Microserver has a weird disk controller.
I honestly don't know how to approach it unless you have something like gnuparted to hand to look at the disk?
--
Mark Benson
My Blog:
<http://markbenson.org/blog>
Follow me on Twitter:
http://twitter.com/mdbenson
"Never send a human to do a machine's job..."
On 2011-09-05, at 11:21 PM, Mark Benson wrote:
On 6 Sep 2011, at 06:52, hvlems at zonnet.nl wrote:
The dd command ought to produce a bootable copy of the cdrom. On Tru64 the correct partition is
If=/dev/disks/ cdrom0c
When I dd'd off a copy of the VAX VMS CD-ROM it didn't work for me initially either. Now I can't remember which way round it was now, but I think I dd'd the whole CD-ROM and it didn't work and then I dd'd off only the *partition* with the data in and that worked fine. Either that or the other way around. From the looks of the quote above you only need the partition.
Memory is terrible, sorry :)
On my system (CentOS 5.6) I see the /dev/cdrom device which is symbolically linked to /dev/hda (which makes sense - it's the only IDE device I have in the machine). There is no hda1 or other devices for the partitions. fdisk /dev/hda comes back with an invalid partition table.
Ian
On 6 Sep 2011, at 06:52, hvlems at zonnet.nl wrote:
The dd command ought to produce a bootable copy of the cdrom. On Tru64 the correct partition is
If=/dev/disks/ cdrom0c
When I dd'd off a copy of the VAX VMS CD-ROM it didn't work for me initially either. Now I can't remember which way round it was now, but I think I dd'd the whole CD-ROM and it didn't work and then I dd'd off only the *partition* with the data in and that worked fine. Either that or the other way around. From the looks of the quote above you only need the partition.
Memory is terrible, sorry :)
--
Mark Benson
My Blog:
<http://markbenson.org/blog>
Follow me on Twitter:
http://twitter.com/mdbenson
"Never send a human to do a machine's job..."
The dd command ought to produce a bootable copy of the cdrom. On Tru64 the correct partition is
If=/dev/disks/ cdrom0c
Your unix flavor may be different.
Or use a cdwriter program that writes to disk, like Nero on Windows does.
Verzonden vanaf mijn draadloze BlackBerry -toestel
From: Ian McLaughlin <ian at platinum.net>
Sender: owner-hecnet at Update.UU.SE
Date: Mon, 5 Sep 2011 22:41:35 -0700
To: <hecnet at Update.UU.SE>
ReplyTo: hecnet at Update.UU.SE
Subject: Re: [HECnet] SIMH on CentOS 5.6
Thanks for the response. I think my issue has something to do with making the ISO image. I used 'dd if=/dev/cdrom of=cd.iso' which made a 676Mb file. But using this file gives me the error. I then tried attaching directly to the cdrom drive in vax.ini using 'attach -r rq3 /dev/cdrom' and it worked! I was able to do a full installation from the actual physical media.
Does anyone have any pointers for making an ISO image of the CD? Am I doing it wrong? I would like to make a backup of the disk because I'm already on my second physical copy and would like to back it up before I lose it again :)
Ian
On 2011-09-05, at 10:20 PM, hvlems at zonnet.nl wrote:
While in simh commandmode, show the devices that are seen in simh.
Do the same in srm mode: sho dev
The boot device type may be DK, RQ or DQ, I forgot
You must have typed it in: to assign the hosts cd drive to a iunit name.
Verzonden vanaf mijn draadloze BlackBerry -toestel
From: Ian McLaughlin <ian at platinum.net>
Sender: owner-hecnet at Update.UU.SE
Date: Mon, 5 Sep 2011 15:57:38 -0700
To: <hecnet at Update.UU.SE>
ReplyTo: hecnet at Update.UU.SE
Subject: [HECnet] SIMH on CentOS 5.6
Hello All,
I'm trying to compile and run SIMH on CentOS 5.6. I've followed the instructions at http://www.wherry.com/gadgets/retrocomputing/vax-simh.html but when I try to boot from the CD image, I get:
[root at zork data]# /usr/local/vax/bin/vax
VAX simulator V3.8-1
NVR: buffering file in memory
RQ: unit is read only
Eth: opened eth0
KA655-B V5.3, VMB 2.7
Performing normal system tests.
40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
08..07..06..05..04..03..
Tests completed.
>>>boot dua3
(BOOT/R5:0 DUA3
2..
-DUA3
?42 NOSUCHFILE, DUA
HALT instruction, PC: 00000C1A (MOVL (R11),SP)
sim>
Any ideas about what I might be doing wrong? The CD image file I made directly from the Montagar 7.3 CD. The vax.ini file is exactly as shown on the instructions page.
Thanks in advance for any suggestions!
Ian
---
Filter service subscribers can train this email as spam or not-spam here
Thanks for the response. I think my issue has something to do with making the ISO image. I used 'dd if=/dev/cdrom of=cd.iso' which made a 676Mb file. But using this file gives me the error. I then tried attaching directly to the cdrom drive in vax.ini using 'attach -r rq3 /dev/cdrom' and it worked! I was able to do a full installation from the actual physical media.
Does anyone have any pointers for making an ISO image of the CD? Am I doing it wrong? I would like to make a backup of the disk because I'm already on my second physical copy and would like to back it up before I lose it again :)
Ian
On 2011-09-05, at 10:20 PM, hvlems at zonnet.nl wrote:
While in simh commandmode, show the devices that are seen in simh.
Do the same in srm mode: sho dev
The boot device type may be DK, RQ or DQ, I forgot
You must have typed it in: to assign the hosts cd drive to a iunit name.
Verzonden vanaf mijn draadloze BlackBerry -toestel
From: Ian McLaughlin <ian at platinum.net>
Sender: owner-hecnet at Update.UU.SE
Date: Mon, 5 Sep 2011 15:57:38 -0700
To: <hecnet at Update.UU.SE>
ReplyTo: hecnet at Update.UU.SE
Subject: [HECnet] SIMH on CentOS 5.6
Hello All,
I'm trying to compile and run SIMH on CentOS 5.6. I've followed the instructions at http://www.wherry.com/gadgets/retrocomputing/vax-simh.html but when I try to boot from the CD image, I get:
[root at zork data]# /usr/local/vax/bin/vax
VAX simulator V3.8-1
NVR: buffering file in memory
RQ: unit is read only
Eth: opened eth0
KA655-B V5.3, VMB 2.7
Performing normal system tests.
40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
08..07..06..05..04..03..
Tests completed.
>>>boot dua3
(BOOT/R5:0 DUA3
2..
-DUA3
?42 NOSUCHFILE, DUA
HALT instruction, PC: 00000C1A (MOVL (R11),SP)
sim>
Any ideas about what I might be doing wrong? The CD image file I made directly from the Montagar 7.3 CD. The vax.ini file is exactly as shown on the instructions page.
Thanks in advance for any suggestions!
Ian
---
Filter service subscribers can train this email as spam or not-spam here
While in simh commandmode, show the devices that are seen in simh.
Do the same in srm mode: sho dev
The boot device type may be DK, RQ or DQ, I forgot
You must have typed it in: to assign the hosts cd drive to a iunit name.
Verzonden vanaf mijn draadloze BlackBerry -toestel
From: Ian McLaughlin <ian at platinum.net>
Sender: owner-hecnet at Update.UU.SE
Date: Mon, 5 Sep 2011 15:57:38 -0700
To: <hecnet at Update.UU.SE>
ReplyTo: hecnet at Update.UU.SE
Subject: [HECnet] SIMH on CentOS 5.6
Hello All,
I'm trying to compile and run SIMH on CentOS 5.6. I've followed the instructions at http://www.wherry.com/gadgets/retrocomputing/vax-simh.html but when I try to boot from the CD image, I get:
[root at zork data]# /usr/local/vax/bin/vax
VAX simulator V3.8-1
NVR: buffering file in memory
RQ: unit is read only
Eth: opened eth0
KA655-B V5.3, VMB 2.7
Performing normal system tests.
40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
08..07..06..05..04..03..
Tests completed.
>>>boot dua3
(BOOT/R5:0 DUA3
2..
-DUA3
?42 NOSUCHFILE, DUA
HALT instruction, PC: 00000C1A (MOVL (R11),SP)
sim>
Any ideas about what I might be doing wrong? The CD image file I made directly from the Montagar 7.3 CD. The vax.ini file is exactly as shown on the instructions page.
Thanks in advance for any suggestions!
Ian
