The SML Log Record
The contents of the log record are as follows:
;-42
44-57
59-64
67-68
71-86 The r1rst 21 bytes of the teleprocessing buffer, including BSC bytes, KULTI-LEAVING bytes, and enough initial bytes of data
to fill the field.
For read I/O: the last seven bytes of the CSW. For write I/C: The first seven bytes of the SML buffer header that is used
internally by SML but not transmitted. The first three bytes of the RSCS I/O synchronous lock fer
this transaction.
The sense byte.
The ccw associated with the I/O operation. SAMPLES OF READ AND WRITE RECORDS FOR SML 1070 1070 1002808FCF9094000026 1002818FCFA0940000 1002818FCF9491C140009483C140009483:1400094 1070 10028 28FCF9 483C8C6C9D3: 57A 40:4E7 87C 4C 5E 7C 5
323D 100 2828FCF9 483E4C4C5E2E37A40C806E 2E 30 3::: 90 5 1070 10028 38FCF9 481CC50D5E40 4C2C 50 9407E 4050F 100 1070 10028 48FCF9 481FF5C5C5C40C3C lE 4E 2C 5E240E 3C 8 1070 1002858FCF9481C7C3D740D84007C6009481E350E3 1070 21 BSC, KULTILEAVING AND DATA BYTES TP BUFFER 0779C80COO018E 800000 00 0207100720000190 0779C 80C 00018E 000000 00 0107100760000002 0779C80COO0186 80.0000 00 0207100720000190 0779C 80C 000 186 800000 00 0107100760000009 0779C 80c 00003C 800000 00 0207100720000190 0779C 80: 00003C 800000 00 0107119F60000002 0779C 80E 000 190 800000 01 0207119F20000190 0779C80EOOO05C 800000 02 0207119F20000190 0779C80EOOO05C 000000 00 0107119F60000002 0779C 80C OOOOOC 800000 00 0207119F20000190 0779C 80:00000C 000000 00 0107100760000002 0779C 80c 000008 800000 00 0207100720000190 0779C 80: 000008 000000 00 0107119F60000002 0779C 80:::: 000003 800000 00 0207119F20000190 0779C 80::; 000003 000000 00 0107100760000002 0779C80COOOOE7 800000 00 0207100720000190 0779C 80COOOOE7 000000 00 0107119F60000002 SML INTERNAL SYNCH SENSE CCW BUFFER LOCK - OR -
ADDR STATUS COUNT BYTES CSW Part 4. Remote Spooling Communications Subsystem (RSeS) 341

The NPT Log Record
The contents of the NPT log record are as follows: 1-42 the first 14 bytes of
bytes, 2 alphabetic
teleprocessing buffer.
the teleprocessing buffer
dashes, and the last 6
including BSC
bytes of the 44-57 59-60 63-78
For read I/O: the last seven bytes of the CSW. For write I/O: blank, not applicable
The sense byte, if any.
The ccw associated with the I/O operation.
The fields of the record are separated by blanks. The following are
sa.ples of read and write log records for NPT: 2D 0797EOOC000003 1070 0798280C0001AC 1002E2C9C7D5D6D5404040E3C5E2--404040404003 1061 0798280D0001FF 37
----------V---------------
First 14 bytes 0797EOOE000004 01 0797EOOE000004 01 I I I A L V-----J V , Last 6 bytes CSW I I SENSE TP Buffer BYTE 02079BF820000004 0207987160000002 02079BF820000200 0107987160000002 02079BF820000200 02079BF820000004 02079BP820000004 I I --------v----..II CCW The dashes in record positions 1 and 2 indicate that there was no
data transfer for that I/O transaction.
342 IBM VM/370 System Programmer's Guide