[Simh] Imaging SCSI HD's

Mark Pizzolato Mark at infocomm.com
Mon Apr 22 00:30:50 EDT 2019


On Sunday, April 21, 2019 at 9:24 PM, Zane Healy wrote:
> Thanks Jeremy, if I’m understanding what you’re saying correctly, I’m going to
> feel really stupid.  Am I correct in reading this that I don’t have to boot into
> Standalone Backup, in order to backup the system disk?  I’ve thought that
> was a requirement for cloning a drive for well over 20 years.

 $ BACKUP/IMAGE/IGNORE=INTERLOCK   sys$sysdevice:   backup$disk:backup.sav/save

Will always work.  A hand full of files might not get every bit of their contents backed up, but they are insignificant (open log files (OPERATOR.LOG), etc.)

- Mark

> The copy is running.
> 
> Thanks,
> Zane
> 
> 
> 
> 
> > On Apr 21, 2019, at 9:09 PM, Jeremy Begg <jeremy at vsm.com.au> wrote:
> >
> > Hi,
> >
> > Juust noticed I may have got your DKA100 and DKA200 around the wrong
> > way, but the mechanism is still a useful one to know.
> >
> > 	Jeremy
> >
> >>> One of the main systems that I want to Virtualize is a VAXstation
> >>> 4000/60 with a BA350 shelf.  The only HD connected to the system is
> >>> a RZ28-VA SBB
> >>> (2GB) as DKA200:, so yesterday I added a RZ29-VA SBB (4GB) as
> >>> DKA100:.  I setup Standalone Backup on the RZ29 and booted into
> Standalone backup.
> >
> >> Does your VAXstation/60 boot from the RZ28?  Does it run VMS 7.3?
> >> If so, you might like to try this instead:
> >
> >> 1. If you don't have it installed on your VAXstation already,
> >> download and  install LDdriver from
> >> https://www.digiater.nl/downloads/lddriver_v83.zip
> >
> >>  LDdriver implements a VMS disk driver mapped to a VMS flat file, a
> >> sort  of "virtual disk" utility.
> >
> >> 2. Start LDdriver ... $ @SYS$STARTUP:LD$STARTUP
> >
> >> 3. If you haven't already done so, connect your 4GB drive to the
> >> VAXstation  and initialise and mount it, e.g.
> >>     $ INIT/SYS DKA200: BIGDISK
> >>     $ MOUNT/SYS DKA200: BIGDISK
> >
> >> 4. Create a virtual disk the same size as your DKA100 drive, or bigger:
> >>     $ LD CREATE DKA200:[000000]DKA100_IMAGE.DSK /SIZE=4213968  will
> >> create a 2GB container file.
> >
> >> 5. Then prepare it:
> >>     $ LD CONNECT DKA200:[000000]DKA100_IMAGE.DSK LDA1
> >>     $ INIT/SYS LDA1: VAXDISK
> >>     $ MOUNT/FOREIGN LDA1:
> >>     $ BACKUP/IMAGE DKA100: LDA1:/INIT
> >
> >> 6. Dismount and disconnect the LD disk
> >>     $ DISMOUNT LDA1:
> >>     $ LD DISCO LDA1:
> >
> >> 7. Transfer the disk image file DKA200:[000000]DKA100_IMAGE.DSK  to
> >> your SIMH host, e.g. via FTP in BINARY mode.
> >
> >> The disk image created by LD and transferred to your SIMH host is
> >> ready for use by SIMH.
> >
> >> Regards,
> >
> >> 	Jeremy Begg
> >
> >
> >>> I tried to run the following:
> >>> backup/image/verify dka200: dka100:[000000]20190420-system.sav/sav
> >>>
> >>> I ended up with a very strange "No valid storage bitmap found"
> >>> error, and it failed to copy anything.
> >>>
> >>> Facility: BACKUP, Backup Utility
> >>> Explanation: Software bad block data is not present on the volume.
> >>> The volume has been initialized with no bad blocks.
> >>> User Action: Execute the Bad Block Locator utility before using the
> volume.
> >>> NOBITMAP, no valid storage bitmap found on 'device-name'
> >>>
> >>> I tried ANALYZE/MEDIA, but may not have been doing things right.
> >>> This is a Genuine RZ29-VA, but it was originally used as part of a
> >>> disk array for a Sun Sparc system.
> >> _______________________________________________
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> >> Simh at trailing-edge.com
> >> http://mailman.trailing-edge.com/mailman/listinfo/simh
> 
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