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Virtual tape drive mapping and host addressing – Sun Microsystems StorageTek 96257 User Manual

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Specifications and Additional Information

A-66

Sun Confidential: Internal Only

96257

Revision A

Virtual Tape Drive Mapping and Host Addressing

A VSM5-VTSS can be configured with up to 256 virtual tape drives (VTDs). During VTSS
installation, all 256 available VTDs are mapped as shown in

Table A-3

below. Mapping of

all available VTDs is required by VTSS microcode, and applies whether the VTDs are ulti-
mately defined or undefined.

Table A-3. Mapping Parameters for 256 Virtual Tape Drives (VTDs)

Sequential Device

Numbers

Parameters

Sequential Device

Numbers

Parameters

0 - 15

VCU0

DEV 0-255

FDID 00-0F

CUADD=0

128 -143

VCU8

DEV 0-255

FDID 80-8F

CUADD=8

16 - 31

VCU1

DEV 0-255

FDID 10-1F

CUADD=1

144 -159

VCU9

DEV 0-255

FDID 90-9F

CUADD=9

32 - 47

VCU2

DEV 0-255

FDID 20-2F

CUADD=2

160 -175

VCUA

DEV 0-255

FDID A0-AF

CUADD=A

48 - 63

VCU3

DEV 0-255

FDID 30-3F

CUADD=3

176 -191

VCUB

DEV 0-255

FDID B0-BF

CUADD=B

64 -79

VCU4

DEV 0-255

FDID 40-4F

CUADD=4

192 -207

VCUC

DEV 0-255

FDID C0-CF

CUADD=C

80 -95

VCU5

DEV 0-255

FDID 50-5F

CUADD=5

208 -223

VCUD

DEV 0-255

FDID D0-DF

CUADD=D

96 -111

VCU6

DEV 0-255

FDID 60-6F

CUADD=6

224 -239

VCUE

DEV 0-255

FDID E0-EF

CUADD=E

112 -127

VCU7

DEV 0-255

FDID 70-7F

CUADD=7

240 -255

VCUF

DEV 0-255

FDID F0-FF

CUADD=F