Ibm Hdr1/Eof1/Eov1 Label Format; Ibm Hdr2/Eof2/Eov2 Label Format - HP BACKCOPY Reference Manual

IBM HDR1/EOF1/EOV1 Label Format

Character Position in the
Label Record
1 - 3
4
5 - 21
22 - 27
28 - 31
32 - 35
36 - 39
40 - 41
42 - 47
48 - 53
54
55 - 60
61 - 73
74 - 80

IBM HDR2/EOF2/EOV2 Label Format

Character Position in the
Label Record
1 - 3
4
5
6 - 10
1 1 - 15
16
17
18 - 34
35 - 36
37
38
39
Field Name
Label Identifier
Label Number
Data Set Identifier
Data Set Serial Number
Volume Sequence Number
Data Set Sequence Number
Generation Number
Version Number
Creation Date
Expiration Date
Data Set Security
Block Count
System Code
Reserved for Future
Standardization
Field Name
Label Identifier
Label Number
Record Format
Block Length
Record Length
Tape Density (5180 Tape
Drive only)
Data Set Position
Job/Job Step Identification
Tape Recording Technique
Control Character
Reserved for Future
Standardization
Block Attribute
Length (in Bytes) Content
3 "HDR" or "EOF" or "EOV"
1 "1"
17 Tape-file name
6 File-set name to which this volume belongs
4 Ordinal number of this volume within a
multivolume data set
4 Ordinal number of this data set within a
multi-dataset file-set
4 A number indicating the absolute
generation number of this file
2 A number indicating the version of this
generation
6 Year and day of the year this file was
created
6 Year and day of the year this data set can
be scratched or overwritten
1 "0"
6 Number of blocks written in this volume
sequence
13 Spaces
7 Spaces
Length (in Bytes) Content
3 "HDR" or "EOF" or "EOV"
1 "2"
1 "F": Fixed length
"U": Undefined length
5 Number of bytes per block
5 Number of bytes per record
1 Value
"0": Full function mode
Space: device other than 5180
1 "0": No volume switch has occurred.
"1": A volume switch previously occurred.
17 Spaces
2 Spaces
1 Space
1 Space
1 "B": Records are blocked
IBM Standard Labels 295