ContentLength (in Bytes)Field NameCharacter Position in the
Label Record
Number of blocks written in this file
section
6Block Count55 - 60
Spaces13Implementation Identifier61 - 73
Spaces7Reserved for Future
Standardization
74 - 80
ANSI HDR2/EOF2/EOV2 Label Format
ContentLength (in Bytes)Field NameCharacter Position in the
Label Record
"HDR" or "EOF" or "EOV"3Label Identifier1 - 3
"2"1Label Number4
"F": Fixed length1Record Format5
"U": Undefined length
Number of bytes per block5Block Length6 - 10
Number of bytes per record5Record Length11 - 15
Spaces35Reserved for System Software
Use
16 - 50
"00"2Buffer Offset Length51 - 52
Spaces28Reserved for Future
Standardization
53 - 80
IBM Standard Labels
IBM VOL1 Label Format
ContentLength (in Bytes)Field NameCharacter Position in the
Label Record
"VOL"3Label Identifier1 - 3
"1"1Label Number4
Name of this tape volume6Volume Serial Number5 - 10
Space1Reserved for Future
Standardization
11
Spaces10VTOC Pointer12 - 21
Spaces10Reserved for Future
Standardization
22 - 31
Spaces10Reserved for Future
Standardization
32 - 41
Owner of this tape volume10Owner Name and Address
Code
42 - 51
Spaces29Reserved for Future
Standardization
52 - 80
294 Tape Label Formats