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English
  • PowerExchange for CDC and Mainframe 10.5.4
  • All Products

Table of Contents

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  1. Preface
  2. Introduction to PowerExchange
  3. DBMOVER Configuration File
  4. Netport Jobs
  5. PowerExchange Message Logs and Destination Overrides
  6. SMF Statistics Logging and Reporting
  7. PowerExchange Security
  8. Secure Sockets Layer Support
  9. PowerExchange Alternative Network Security
  10. PowerExchange Nonrelational SQL
  11. DTLDESCRIBE Metadata
  12. PowerExchange Globalization
  13. Using the PowerExchange ODBC Drivers
  14. PowerExchange Datatypes and Conversion Matrix
  15. Appendix A: DTL__CAPXTIMESTAMP Time Stamps
  16. Appendix B: PowerExchange Glossary

Reference Manual

Reference Manual

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Standard SMF Header with Subtype

Standard SMF Header with Subtype

The following table describes the fields in the standard SMF header with subtype section:
Field
Decimal Offset
Hexadecimal Offset
Length
Format
Description
SMFxLEN
0
00
2
Binary
Record length.
The SMFxLEN and SMFxSEG fields, which total 4 bytes, form the record descriptor word (RDW).
The first 2 bytes (SMFxLEN) contain the logical record length.
SMFxSEG
2
02
2
Binary
Segment descriptor, which is used for variable block spanned records. If the record is not spanned, these 2 bytes are set to hexadecimal zeros.
SMFxFLG
4
04
1
Binary
Header flag byte.
SMFxRTY
5
05
1
Binary
Record type.
Hexadecimal values are from 0 through FF.
SMFxTME
6
06
4
Binary
The amount of time since midnight, in hundredths of a second, that the record was moved into the SMF buffer.
In record types 2 and 3, this field indicates the time that the record was moved into the dump data set.
SMFxDTE
10
0A
4
Packed
Date when the record was moved into the SMF buffer, in the form
00
yyddd
F
 or
0
cyyddd
F
.
Where:
  • c
     is 0 for 19
    xx
    , and 1 for 20
    xx.
  • yy
     is the current year from 0 through 99.
  • ddd
     is the current day from 1 through 366.
  • F is the sign.
In record types 2 and 3, this field indicates the date that the record was moved to the dump data set.
SMFxSID
14
0E
4
EBCDIC
The system ID taken from the SID parameter.
SMFxSSI
18
12
4
EBCDIC
Subsystem identification. This field is a 4-byte character value set by the SUBSYS=option that is specified in the SMF macros.
SMFxSTY
22
16
2
Binary
Record subtype.
Specifies the PowerExchange record description type. This value is the same as the value in the PWXGSTP field in the General section.
For more information about the standard SMF header with record subtypes, see the IBM guide,
z/OS V1R7.0 MVS System Management Facilities (SMF)
.
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