z/VM: CP Commands and Utilities Reference - z/VM - IBM

DDR
Home address
record 0
Record 1
Cylinder and head
identification
Record 0
CYL 00000019
HD 00 HOME ADDRESS 0000130000 RECORD SIZE 0013000000 00 0008 00000000 FFFFFFFF
04096 1000 DATA LENGTH
00000 0000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1st half of
SUPPRESSED CHARACTERS SAME AS ABOVE...
record 2 CYL 00000019 HD 00 REC 002 COUNT 0013000002 00 09A8 NOTE: The data length field is
02472 09A8 DATA LENGTH
repeated in heading.
00000 0000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
SUPPRESSED CHARACTERS SAME AS ABOVE...
ABOVE RECORD WRITTEN USING RECORD OVERFLOW
B
B This statement indicates that this portion of record 2
was written using the Write Special Count, Key, and
Data command. The remainder of record 2 is found
Home address
record 0
2nd Half of
record 2
Record 3
Record 4
CYL 00000019
HD 00 REC 001
Cylinder, head,
and
record numbers in
CYL 00000019 HD 01 HOME ADDRESS 0000130001 RECORD ZERO 0013000100 00 0008 00000000 00000000
CYL 00000019 HD 01 REC 002 COUNT 0013000102 00 6558
01624 0658 DATA LENGTH
00000 0000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
SUPPRESSED CHARACTERS SAME AS ABOVE...
C
If the key length field is not zero:
A heading is printed containing the length
first in decimal, then in hexadecimal.
CYL 00000019 HD 01 REC 003 COUNT 0013000103 80 0F80
00128 0080 KEY LENGTH
00000 0000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
SUPPRESSED CHARACTERS SAME AS ABOVE...
03968 0F80 DATA LENGTH
00000 0000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
SUPPRESSED CHARACTERS SAME AS ABOVE...
CYL 00000019 HD 01 REC 004 COUNT 0013000104 00 0000
END OF FILE RECORD
D
For FBA device data, the utility first prints or types a heading that indicates the
block number and then prints or types the 512 bytes of data residing in that block.
This output will look as follows:
ENTER:
type 1
BLOCK 00000001
Home address of track
in hexadecimal format
Record ID
(hexadecimal)
C
Key Data
Length Length
(hexadecimal)
Record 0 ID from
the count field
COUNT 0013000001 00 1000 A
00000 0000 C3D4E2F1 D7D9D6D7 C5D90000 (Con’t)
00000200 00000004 000002E8 000002E8 (Con’t)
000002E8 *CMS1PROPER.............Y...Y...Y*
00032 0020 00000005 00000040 00000008 (Con’t)
91031317 26230000 00000000 00000001 (Con’t)
Key
Length
Data
Length
(hexadecimal)
A
Data
(hexadecimal)
If the data length field is not zero:
A heading is printed containing the
data length from the count field - first
in decimal, then in hexadecimal.
The data is then printed in
hexadecimal with graphic
The key is then printed in hexadecimal
with graphic interpretation at the right
(not shown here).
Figure 1. An Annotated Sample of Output from the TYPE and PRINT Functions of the DDR Program
1810 z/VM: CP Commands and Utilities Reference
Whenever the data length field is zero
D
an end-of-file prints next.