Dynamic pathing services validation (DPSV) record
DPSV records are recorded on the logrec data set for DPSV recovery actions.
DPSV analyzes the sense path group identifier (SNID) to determine if the hardware dynamic pathing group is still valid and in synchronization with the software mapping.
| Offset | Size (bytes) alignment (bits) | Field name | Description | |
|---|---|---|---|---|
| Dec | Hex | |||
| 0 | (0) | 1 | LRBHTYPE | Type of Record: |
| 11.. ..1. | DPSV Record; type=X'C2'. | |||
| 1 | (1) | 1 | LRBHREL | System/Release level: |
| 100. .... | OS/VS2. | |||
| bits 3-7 | ||||
| 0-1F | Release level 0-31. | |||
| 2 | (2) | 1 | LRBHSW0 | Record independent switches: |
| 1... .... | More records follow. | |||
| 0... .... | Last record. | |||
| .1.. .... | Time-of-day (TOD) clock instruction issued. | |||
| ..1. .... | Record truncated. | |||
| ...1 .... | Record created by MVS/SP Version 2, 3, or 4. | |||
| .... 1... | TIME macro issued. | |||
| .... .xxx | Reserved. | |||
| 3 | (3) | 1 | LRBHSW1 | Reserved. |
| 4 | (4) | 1 | LRBHSW2 | Reserved. |
| 5 | (5) | 1 | LRBHSW3 | Reserved. |
| 6 | (6) | 1 | LRBHSW4 | Reserved. |
| 7 | (7) | 1 | LRBHCNT | Reserved. |
| 8 | (8) | 4 | LRBHDATE | System date of incident. |
| 12 | (C) | 4 | LRBHTIME | System time of incident. |
| 16 | (10) | 1 | LRBHCPID | Machine version code. |
| 17 | (11) | 3 | LRBHCSER | Central processor serial number. < |
| 20 | (14) | 2 | LRBHMDL | Central processor machine model number. |
| 22 | (16) | 2 | LRBHMCEL | Reserved. |
| END OF STANDARD HEADER | ||||
| 24 | (18) | 8 | LXCHDESC | Name of the module requesting the dynamic pathing validation. |
| 32 | (20) | 1 | LXCHVERS | Cx record's common header version field. |
| 33 | (21) | 1 | LXCHFLAG | Cx record's common header flag field. |
| 34 | (22) | 2 | LXCHDVNM | Device number in hexadecimal. |
| 36 | (24) | 4 | LXCHDTYP | Device type information field. |
| 40 | (28) | 8 | LXCHRSVD | Reserved. |
| 48 | (30) | 1 | LXC2CODE | DPSV recording code. |
| 49 | (31) | 1 | LXC2FLAG | DPSV flag field. |
| 50 | (32) | 2 | LXC2RSVL | Reserved. |
| 52 | (34) | 228 | LXC2SNID | Sense path group identifier (SNID) table data. See z/OS® MVS™ Data Areas in http://www.ibm.com/systems/z/os/zos/bkserv/ for a detailed description of the SNID. |
| 280 | (118) | 4 | LXC2RSV2 | Reserved. |