| Offsets | Name | Length | Format | Description | |
|---|---|---|---|---|---|
| 0 | 0 | SMF42PNL | 2 | binary | Length of storage class name. |
| 2 | 2 | SMF42PNN | 30 | EBCDIC | Storage class name. |
| 32 | 20 | SMF42SRT | 4 | binary | Total number of member data page reads. |
| 36 | 24 | SMF42SRH | 4 | binary | Total number of member data page read hits handled by BMF. |
| 40 | 28 | SMF42SDT | 4 | binary | Total number of directory data page reads. |
| 44 | 2C | SMF42SDH | 4 | binary | Total number of directory data page read hits handled by BMF. |