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Introduction
CHARON-VAX / CHARON-PDP provides MSCP controllers for hardware disks (including floppy and CD/DVD) and disks images. TMSCP controllers provide support for hardware tapes and tape images.
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CHARON-VAX / CHARON-PDP is able to boot from disk images of any VMS/RSX11/RT11 version (for VAX/VMS starting with 4.5 or higher for MicroVAX II or VAX 3600 and VAX/VMS 5.5-2 or higher for the VAX4000).
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RQDX3 Controller
The CHARON-VAX / CHARON-PDP QBUS system provides support for RQDX3 disk controllers. The original RQDX3 disk controller is capable of serving up to 4 disk units. CHARON-VAX / CHARON-PDP extends this limit so that the RQDX3 disk controller can be configured with up to 256 disk units. Normally all 256 disks can be connected to one MSCP disk controller, but if an application does intensive simultaneous I/O to more than 16 disks on one MSCP controller, it is recommended to configure additional RQDX3 controllers.
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In the above example the "rx23.vdisk" will be seen in VMS as DIA0 and "\\.\PhysicalDrive1" as DIA1.
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TQK50 and TUK50 Controllers
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$ BACKUP MUA0:BACKUP.BCK,MUA1,MUA2,MUA3/SAVE_SET DUA0:... |
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KDM70 Controller
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The virtual KDM70 storage controller examines the file extension (vdiskor vtape) to distinguish between a disk image and a tape image. Configured physical devices or tape/disk images that do not exist on the host system will, in general, cause VAX/VMS to report the unit offline. In some cases this will result in a VMS BUG CHECK. In this case, an error message will be written to the log file. |
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KDB50 Storage Controller
KDB50 is an MSCP storage controller for a VAX 6000.
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Configured physical devices or tape/disk images that do not exist on the host system will, in general, cause VAX/VMS to report the unit offline. In some cases this will result in a VMS BUG CHECK. In this case, an error message will be written to the log file. |
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