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If CHARON-VAX based virtual system needs to be created from scratch, refer to this Application Note describing how to find proper Qbus addresses and Vectors for each virtul device. |
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Creating CHARON Virtual Machine
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Press the "Create VM from Template" button:
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Specify the HP VAX model to be emulated and the name of the VM then press the "Create" button:
The VM will be created:
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Select the VM from the left pane and press the "Edit Configuration" button:
The VM configuration file will be opened in Notepad. Now the file can be updated to reproduce the target HP VAX configuration.
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Collecting information about the source VAX system
The first step is to determine the exact configuration of your VAX hardware in order to create the CHARON VM configuration file.
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To find out the exact types of controllers please refer to the source VAX system documentation.
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Creation of CHARON-VAX configuration file
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The DESQA controller is mapped to a network interface having the name "Charon". This interface will be used for the CHARON VM (see the Installation section for more details) on this particular host.
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particular host.
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Making disk images
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Start the "MkDisk" utility by pressing the "Virtual Disk Tool" button in the "Host Information & Utilities" tab of the CHARON Virtual Machines Manager:
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The following dialog will appear:
Select "VAX" in the "Select System" drop-down menu, "MSCP" in the "All Controllers" drop-down menu and "RZ24" (for example) in the "Select Disk Type" drop-down menu.
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Press then the "Create Disk Image" button:
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Repeat this sequence for the disks "RZ28.vdisk", "RZ22.vdisk" and "RZ23.vdisk". Place them in the same folder.
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Installation of VAX operating system
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Making remote backups
Now we are ready to create disk backups of the source VAX system on the CHARON VM.
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When the backup operation will be completed, the disk "DUA3" of the CHARON VM will contain 2 savesets: "DUA0.BCK" and "DUA1.BCK".
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Restore backups to CHARON-VAX disks
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The NIC can be disabled with a interface="(disabled)" statement in the CHARON VM configuration file.
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Alternative ways of data transfer
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- Connect a SCSI tape drive to the CHARON-VAX / CHARON-PDP host via a PCI card
- Map the tape drive in the CHARON VM configuration file
a. Restore the source VAX system backups from tape to disk images via VMS/RSX11/RT11 running on the CHARON VM
b. Boot from standalone backups and restore the content to the CHARON VM virtual disks - Dump the source VAX/PDP11 system backups to tape images using the "mtd" utility and:
a. Boot from the freshly installed VMS/RSX11/RT11 system and restore the tape images to the CHARON VM virtual disks
b. Boot from the standalone backup and restore the content to the CHARON VM virtual disks
- Map the tape drive in the CHARON VM configuration file
Create a network cluster between the source VAX/PDP11 system and the CHARON VM (it is possible to use the source system as a boot server); then perform simple backups from one disk to another:
$ BACKUP/IMAGE/IGNORE=INTERLOCK REAL$DUA0: DUA0:
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