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Fxotm operations, Fxotm with fixed-length record format – HP XP20000XP24000 Disk Array User Manual

Page 43

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About Cross-OS File Exchange Operations

2-25

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

FXotm with Fixed-Length Record Format

No padding, no delimiters. The figure below shows an FXotm operation for
a fixed-length source file without padding or delimiters. The target dataset

must have fixed-length record format with record length set to the actual
length of each data entity. If the data entity length does not exactly match the
record length defined for the target dataset, FCU aborts the operation and

reports an error.

Open-System Source File

Target Dataset

Record length

Record length

Data entity 1

Record 1: Data entity 1

Data entity 2

Record 2: Data entity 2

Data entity 3

Record 3: Data entity 3

Figure 2-15

FXotm with Fixed-Length Records: No Padding, No
Delimiters

With padding. The figure below shows an FXotm operation for a fixed-length
source file with padding from a previous FXmto transfer. The original FXmto
dataset cannot be used as the FXotm target dataset. FCU transfers the data

entities including padding to the target dataset. The length of each data entity
in the source file equals the maximum record length minus four bytes (for the
RL field). The target dataset must have fixed-length record format with record

length set to the maximum record length minus four bytes. If the length of
any record (data entity plus padding) in the source file does not exactly match
the record length defined for the target dataset, FCU aborts the operation and

reports an error.

Open-System Source File

Target Dataset

Record length (max) − 4 bytes

Record length (max) − 4 bytes

Data

entity

1

padding

Record

1: Data entity 1 (with padding)

Data entity 2

Record 2: Data entity 2

Data

entity

3

padding

Record

3: Data entity 3 (with padding)

Figure 2-16

FXotm with Fixed-Length Records: Padding

Note: FCU does not extract padding from FXotm source files.