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Also note: that the following rules are applied for logical units.
Each SCSI device must implement logical unit 0.
- A SCSI device must implement all logical unit numbers between the highest and the lowest numbers implemented.
Empty disk images can be created with the "MkDisk" utility.
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Use the "virtual_scsi_disk" mapping for disk containers. This is the most convenient way of connecting disks to SCSI adapters in CHARON-VAX
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The "virtual_scsi_disk" mapping has the following parameters:
container
Parameter | |
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Value | |
container[N] N=0…7 | |
Type | Text String |
Value | A string containing the full path to a disk container. N stands for logical unit number. The first unit must be 0 with no gaps in subsequent numbering.. If only the name of the disk container is specified, CHARON-VAX will look for the container in the folder where the emulator executable resides, typically "C:\Program Files (x86)\CHARON\Build_XXXXX\x86" (Windows x64; for Windows x86 the path is "C:\Program Files\CHARON\Build_XXXXX\x86"). |
media_type
Parameter | media_type[N] N=0…7 |
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Type | Text String |
Value | Overrides PRODUCT ID in the default SCSI INQUIRY data. Valid values may contain uppercase letters, integers and spaces. The length of this string cannot exceed 16 characters. If not specified, synthetic SCSI INQUIRY data is returned containing the PRODUCT ID selected, based on the disk size. Initially left unspecified. |
geometry
Parameter | geometry[N] N=0…7 |
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Type | Text String |
Value | This formatted string value specifies the explicit geometry of the disk storage element The string format is <X>”/”<Y>[“/”<Z>] where:
If this parameter is not set, CHARON-VAX will configure the geometry based on the most probable disk type. |
use_io_file_buffering
Parameter | use_io_file_buffering[N] N=0…7 |
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Type | boolean |
Value | Enables the use of the host OS I/O buffering. Initially set to “NO” (buffering disabled). |
removable
Parameter | removable[N] N=0…7 |
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Type | boolean |
Value | Enables the logical unit to appear as a removable SCSI disk drive. Initially set to “NO” (fixed, non-removable). |
Example
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"virtual_scsi_tape" has the following parameters:
container
Parameter | Type | Value
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container[N] N=0…7 | |
Type | Text String |
Value | A string containing the full path to a tape container. If the specified tape image does not exist, CHARON-VAX creates it. N stands for the logical unit number (LUN). The first unit must be 0 with no gaps in subsequent numbering. If only the name of the tape container is specified, CHARON-VAX will look for the container in the folder where the emulator executable resides, typically "C:\Program Files (x86)\CHARON\Build_XXXXX\x86" (Windows x64; for Windows x86 the path is "C:\Program Files\CHARON\Build_XXXXX\x86"). |
media_type
Parameter | media_type[N] N=0…7 |
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Type | Text String |
Value | Overrides PRODUCT ID in the default SCSI INQUIRY data. Valid values may contain uppercase letters, integers and spaces. Length of this string cannot exceed 16 characters. By default the PRODUCT ID returned is “TLZ04”"TLZ04" |
geometry
Parameter | geometry[N] N=0…7 | ||
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Type | Text String | ||
Value | Specifies the size of the tape image and (optionally) the size of the "early-warning" area at the end of the tape image. Syntax:
where:
Example:
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Example
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Use "physical_scsi_device" to connect any host SCSI device to CHARON-VAX.
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"physical_scsi_device" has the following parameters:
container
Parameter | |||||
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Value | |||||
container[N] N=0…7 | |||||
Type | Text String | ||||
Value | A string containing the device name to map to the emulator. N stands for logical unit number (LUN). It must begin at 0 and have no gaps in subsequent numbering. If there is only one logical unit the number can be omitted. | ||||
Mapping to host system resources | Description |
| for local fixed disks (IDE, SCSI, SATA) |
| XXX
| for local fixed disks (IDE, SCSI, SATA)
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| ”
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| ”
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| ”
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| ”
| or
| for floppy drives
| for CD-ROM, DVD drives (IDE, SCSI, …)
| for physical tape drives
| for physical tape drives and other SCSI devices not recognized by Windows
This parameter is initially not set, thus creating NO storage elements on the controller |
media_type
Parameter | media_type[N] N=0…7 |
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Type | Text String |
Value | Overrides the PRODUCT ID in the default SCSI INQUIRY data. Valid values may contain uppercase letters, integers and spaces. The length of the string cannot exceed 16 characters. If not specified, synthetic SCSI INQUIRY data is returned containing a PRODUCT ID selected based on the disk size. Initially left unspecified. |
geometry
Parameter | geometry[N] N=0…7 |
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Type | Text String |
Value | This formatted string value specifies the explicit geometry of the disk storage element The string format is <X>”/”<Y>[“/”<Z>] where:
If this parameter is not set, CHARON-VAX will configure the geometry based on the most probable disk type. |
use_io_file_buffering
Parameter | use_io_file_buffering[N] N=0…7 |
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Type | boolean |
Value | Enables use of the host OS I/O buffering. Initially set to “NO” (buffering disabled). |
removable
Parameter | removable[N] N=0…7 |
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Type | boolean |
Value | Enables the logical unit to appear as a removable SCSI disk drive. Initially set to “NO” (fixed, non-removable). |
Example
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