IBM Magstar 3494 manual Bytes Name Description

Table 28. Reserved File
Length	Name	Description
	80	Data Set Header 1	Table 32 on page 312
80	Data Set Header 2	Table 33 on page 312
	Tape Mark
recl	Reserved File Identi®er	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 ®le 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	Table 34 on page 313
80	End of File 2	Table 35 on page 313
	Tape Mark
Table 29. Export Status File
Length	Name	Description
	80	Data Set Header 1	Table 32 on page 312
80	Data Set Header 2	Table 33 on page 312
	Tape Mark
80	Export Status File Identi®er	Table 30
N*80	Export Status File Records	N=0 is valid. N is a variable number of ®le records. See Table 31 on
			page 311.
	Tape Mark
80	End of File 1	Table 34 on page 313
80	End of File 2	Table 35 on page 313
	Tape Mark
Table 30. Export Status File Identi®er
Bytes	Name	Description
	0±12	Title Text	ªEXPORT STATUSº
13	Field Delimiter	Blank character
14±15	Version	ª01º
16	Blank	Blank character
17±32	User Field	This 16 byte ®eld is not checked or used by the control unit
33±79	Retained, Not checked	This ®eld is not checked or used by the control unit

310Magstar 3494 Tape Library Operator Guide