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HP XP20000XP24000 Disk Array User Manual

Page 117

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Using the Cross-Os File Exchange Software

4-23

Hitachi USP V Cross-OS File Exchange User’s Guide

OPEN-8 5818

5818

5818 9959 (min 9996*n-7,

65534)

OPEN-9 5818

5818

5818 10009 (min 10016*n-7,

65534)

OPEN-E

not
supported

5818 5818

19752

(min 19759*n-7,
65534)

OPEN-L

not
supported

5818 5818

49429

(min 49439*n-7,
65534)

OPEN-V

not
supported

not supported

not supported

65534

(min(Vc*n*128/
96-7,65534)
(see Note 4)

Note 2: XX = 1 or 2; YY,x = number; ZZ<2x

Note 3: For Solaris, the data cylinder must be less than or equal to 32767.

When using a LUSE volume, the geometry parameter is different, so the
number of cylinders should be calculated as follows:

Cylinder (specified to FAL formatting) <= (A*B*C) / (15*96) – 5

A: Head (Geometry parameter)
B: Block/Track (Geometry parameter)
C: cylinder (Geometry parameter)

Note 4: Vc = OPEN-V cylinder value (MAX.:49160 cylinders using FAL)

The FMT utility can be used on standard-size OPEN-x volumes and on Virtual
LVI/LUN (VIR) volumes.

Note: The VIR OPEN-x devices can also be called custom volume size (CVS)
devices (e.g., OPEN-3-CVS). When formatting a VIR OPEN-x LU, use the
number of cylinders defined for VIR minus seven (e.g., use 993 cylinders for a

VIR device defined with 1000 cylinders). The cylinder size is: one cylinder =
15 tracks, one track = 96 sub-blocks, one sub-block = 512 bytes. Table 3-9
shows the relation between block length and write available capacity per track.

The actual data capacity per cylinder = (write available capacity per track) ×

(15 tracks).

Table 4-2

Relation between Block Length and Write Available Capacity
per Track

Block Length by

Allocater = (A)

(Bytes)

Write Available

Data per Track

(Bytes)

Block Length by

Allocater = (A)

(Bytes)

Write Available

Data Per Track

(Bytes)

Block Length by

Allocater = (A)

(Bytes)

Write Available

Data Per Track

(Bytes)

23477 - 32760

(A) × 1

1589 - 1684

(A) × 22

565 - 596

(A) × 44

15477 - 23476

(A) × 2

1493 - 1588

(A) × 23

533 - 564

(A) × 45

11477 - 15476

(A) × 3

1397 - 1492

(A) × 24

501 - 532

(A) × 46

9077 - 11476

(A) × 4

1333 - 1396

(A) × 25

469 - 500

(A) Ч 47