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HP Alpha UNIX 5.1x (DAT 72 drives only) 11

HP Alpha UNIX 5.1x

(DAT 72 drives only)

Note Only DAT 72 drives are currently supported on HP Alpha.

Updating the Tape Driver

1 Modify the SCSI Tape Density Table to include:

scsi_tape_density[0x47] = "163000_bpi" 163000 0 (DAT72)

2 Add the following entry to your

/dev/ddr.dbase

file:

SCSIDEVICE

Type = tape

Name = "HP" "C7438A"

PARAMETERS:

TypeSubClass = rdat

TagQueueDepth = 0

MaxTransferSize = 0x0ffffff # (16MB - 1)

ReadyTimeSeconds = 120 # seconds

MODESELECT:

ModeSelectNumber = 0

SavePage = No

PageFormat = scsi2

BlockDescriptor = yes

TransferLength = 16

Hdr.Tape.BufferMode = 0x1

Data.UBYTE[0] = 0x3D #Vendor Unique Page Code 0x3D

Data.UBYTE[1] = 0x02

Data.UBYTE[2] = 0x01

DENSITY:

DensityNumber = 0,3,4,5,6,7

DensityCode = default

CompressionCode = 0x0

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HP C1537A Specifications

General