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Disk device configuration object. |
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Syntax
load DKcu
DKcu.bps = bytes-per-sector
DKcu.image = "image-path"
DKcu.mapped = "on" | "off"
DKcu.product = "product-type"
DKcu.ncyl = cyls-on-disk
DKcu.read_cache = "on" | "off"
DKcu.readonly = "on" | "off"
DKcu.removable = "on" | "off"
DKcu.revision = "disk-revision"
DKCu.size = disk-size
DKcu.spt = sectors-per-track
DKcu.shared = "on" | "off"
DKcu.tpc = tracks-per-cyl
DKcu.vendor = "vendor-name"
DKcu.write_cache = "on" | "off"
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Description
The DK object presents a disk device configuration to the virtual machine. Each disk device must be loaded using the load command above. It is important to note that a PK storage controller must be loaded before adding disk devices. It is possible to connect both container files and physical disk devices to the virtual machine.
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The following table describes the more advanced configuration members of the DK object. They are typically determined automatically by the virtual machine.
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| title | Advanced DK Object Members |
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| Member | Type | Description |
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| bps | integer | Defines the number of bytes per sector. | product | string | Sets the disk device product type (e.g. "RZ1HD"). | | ncyl | integer | Defines the number of cylinders on the disk. | | revision | string | Defines the disk device revision string. | | size | integer | Specifies the total size of the disk device, in bytes). | | spt | integer | Defines the number of sectors per track. | | tpc | integer | Sets the tracks per cylinder. | | vendor | string | Defines the disk device vendor string (e.g. "COMPAQ"). |
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The advanced options are not typically recommended for inexperienced users. These options are used primarily to support installation of early versions of Digital UNIX. |