
READ BLOCK LIMITS Command (05h) SDLT 600 SCSI Interface Guide
4-182 January 2005 81-81200-02 REV A01
Table 4-106. READ BLOCK LIMITS Data — Field Descriptions
Field Name Description
Granularity Indicates the granularity of block sizes the drive supports. Block
sizes must be an even multiple of 2 raised to the granularity power.
This field is set to 0 for all densities indicating any block size
between the minimum and the maximum is acceptable.
Maximum Block Length Indicates the maximum block length. The drive supports a
maximum block length of 16,777,215 (16 MB-1) for DLTtape
formats. For Super DLTtape formats, the maximum block length
is 16,777,212 (16 MB - 4).
Minimum Block Length Indicates the minimum block length. Minimum block lengths vary
depending on the format the drive is using. For Super DLTtape
format, the minimum block length is 4.
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