IBM Tape Library Magstar 3494 User Manual
Page 332
Table 28. Reserved File
Length
Name
Description
80
Data Set Header 1
80
Data Set Header 2
Tape Mark
recl
Reserved File Identifier
recl>=1. This record must be present; however, neither its length nor
contents are checked or used by the control unit. Note: The minimum
record length written to tape is 18 bytes.
N*recl
Reserved File Records
N is a variable number of file records. N=0 is valid, recl>=1, records
not checked or used by the control unit. Note: The minimum record
length written to tape is 18 bytes.
Tape Mark
80
End of File 1
80
End of File 2
Tape Mark
Table 29. Export Status File
Length
Name
Description
80
Data Set Header 1
80
Data Set Header 2
Tape Mark
80
Export Status File Identifier
N*80
Export Status File Records
N=0 is valid. N is a variable number of file records. See Table 31 on
page 311.
Tape Mark
80
End of File 1
80
End of File 2
Tape Mark
Table 30. Export Status File Identifier
Bytes
Name
Description
0–12
Title Text
“EXPORT STATUS”
13
Field Delimiter
Blank character
14–15
Version
“01”
16
Blank
Blank character
17–32
User Field
This 16 byte field is not checked or used by the control unit
33–79
Retained, Not checked
This field is not checked or used by the control unit
310
Magstar 3494 Tape Library Operator Guide
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