The following table describes the maximum block size that is supported by BSAM and QSAM on magnetic tape devices (in bytes).
Tape | Without LBI | Optimum with LBI1 | Maximum with LBI |
---|---|---|---|
3420 Magnetic Tape Units |
32,760 |
32,760 |
32,760 |
3430 Magnetic Tape Units |
32,760 |
32,760 |
32,760 |
3480 Magnetic Tape |
32,760 |
65,535 |
65,535 |
3490 and 3490E Magnetic Tape Subsystem |
32,760 |
65,535 |
65,535 |
3590 |
32,760 |
229,376 |
262,144 |