VOLINFO Sub-segment
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 0 | (0) | STRUCTURE | 12 | OPI_VOLINFO | |
| 0 | (0) | CHARACTER | 6 | OPI_VOLSER | VOLUME SERIAL NUMBER |
| 6 | (6) | SIGNED | 2 | OPI_VOLNUMB | PROGRESSIVE VOL NUMBER |
| 8 | (8) | SIGNED | 2 | OPI_DSNSQNUM | SEQUENCE NUMBER OF THE DATASET |
| 10 | (A) | CHARACTER | 2 | OPI_RESCHAR | RESERVED |