Import list volume – IBM Tape Library Magstar 3494 User Manual
Page 336
Import List Volume
Just as with the Export List volume, the Import List volume format is described in
hierarchical form in the tables below. Start with Table 36, then proceed as directed
to the portion(s) of interest. All character fields within the volume are in EBCDIC.
Field contents specified in quotes are EBCDIC characters. The volume must be
written with compaction turned off.
Table 36. Import List Volume
Volume Contents
Description
Volume Label
Import List File
See Table 37
Import Status File
Tape Mark
Table 37. Import List File
Length
Name
Description
80
Data Set Header 1
80
Data Set Header 2
Tape Mark
80
Import List File
Identifier
N*80
Import List File
Records
Table 39 on page 315. N>0, N<=50K. N is a variable
number of file records.
Tape Mark
80
End of File 1
80
End of File 2
Tape Mark
Table 38. Import List File Identifier
Bytes
Name
Description
0–10
Title Text
“IMPORT LIST”
11
Field Delimiter
Blank character
12–13
Version
“01”
14
Blank
Blank character
15–30
User Field
This 16 byte field is not checked or used by the control
unit
31–79
Retained, Not
checked
This field is not checked or used by the control unit
The format of the Import List File record is designed to allow for ease of use. It is
expected that a customer may manually input the needed information and the
format needs to be tolerant of the location of the fields in the record. Each list file
record contains up to three fields separated by delimiters. The fields “physical
volser”, “logical volser”, and “Import Option” must appear in that order, separated by
a field delimiter. If the record is not equal to 80 bytes, the record is not processed
and a Status File record is written with a status code of X'24'. The first 13 bytes or
less of data from the record as read is provided in the Status File record. If only
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Magstar 3494 Tape Library Operator Guide
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