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SHAC host adapter

To connect an emulated VAX 4000 model 106, 108, 700 and 705 node to a virtual DSSI network, the CHARON-VAX configuration must load at least one emulated SHAC host adapter.

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Parameter

scs_node_name[N]

N=0…7

TypeText String
Value

A string value that specifies the SCSNODENAME of the emulated storage element. This string can contain up to 6 characters. Possible characters are uppercase letters A through Z and integers 0 through 9.

Initially set to an arbitrary value that is guaranteed to be unique within the running emulated VAX 4000 model 106, 108, 700 or 705 node.


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scs_system_id

Parameter

scs_system_id[N]

N=0…7

Type

Numeric

Value

An integer value that specifies the SCSSYSTEMID of the emulated storage element.

Initially set to an arbitrary value that is guaranteed to be unique within the running emulated VAX 4000 model 106, 108, 700 or 705 node.

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mscp_allocation_class

Parameter

mscp_allocation_class[N]

N=0…7

TypeNumeric
Value

An integer value that specifies the ALLOCLASS of the emulated storage element.

Possible values are from 0 through 255.

Initially set to 0 which means no allocation class assigned.


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container

Parameter

container[N]

N=0…7

TypeText String
Value

A string value that specifies the container of the storage element with DSSI node id: N and MSCP unit number: N. This storage element might be either a (virtual) disk or tape. In VMS, running on an emulated VAX 4000 model 106 or 108 node, these storage elements appear as DSSI disks (DIAN:) or DSSI (TF86) tapes (MIAN:).

Possible values of the parameter are strings in one of the following forms:

  • Physical disk drives
    • "\\.\PhysicalDrive<X>", where X is 0, 1, …
    • "\\.\PhysicalDrive(DevID =XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX)"

      DevID addresses the target physical disk by its WWID (hexadecimal 128-bit identifier assigned to the disk drive by its manufacturer/originator).

      Example:


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      set PAA container[2]="\\.\PhysicalDrive(DevID= 6008-05F3-0005-2950-BF8E-0B86-A0C7-0001)"


      .The WWID values can be obtained from "Host Device Check" utility ("All drives" section).

      Note

      If the "Host Device Check" utility does not display any WWID, this means the target disk does not have one. Use the "\\.\PhysicalDrive<N>" mapping in this case.


  • iSCSI disks
    • "\\.\PhysicalDrive(iScsiTarget = <iSCSI target>, LUN = <LUN number>)"

      iScsiTarget addresses the disk by its iSCSI target name. LUN specifies LUN on connected iSCSI disk. 

      Example:


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      set PAA container[3]="\\.\PhysicalDrive(iScsiTarget= iqn.2008-04:iscsi.charon-target-test1, LUN= 1)"


      .

  • Physical tape drives recognized by Windows
    • "\\.\Tape<X>", where X is 0, 1, …
      ..
  • Floppy drives
    • "\\.\A:" or
    • "\\.\B:"
      .
  • CD-ROM drives (read-only)
    • "\\.\CdRom<X>", where X is 0, 1, …
      .
  • CHARON-VAX disk images
    • [<drive>":\"<path-name>"\"]<file-name>[".vdisk"]
      .
  • CHARON-VAX tape images

    • [<drive>":\"<path-name>"\"]<file-name>".vtape"
      .

This parameter is initially not set, thus creating NO storage elements on the bus with corresponding DSSI node id.

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