Reference Guide

Chapter 4 SCSI Commands
READ ATTRIBUTE Command (8Ch)
DLT-S4 Interface Reference Guide 243
Figure 122 READ ATTRIBUTE
with PARTITION LIST Service
Action — Parameter List
Format
Table 135 READ ATTRIBUTE
with PARTITION LIST Service
Action Parameter Data — Field
Descriptions
Enhanced Medium
Auxiliary Memory (EMAM)
Attributes
4
This section describes the specific composition of Enhanced Medium
Auxiliary Memory (EMAM) attributes. Each EMAM attribute is identified
by a 2-byte attribute ID.
Attribute Format 4
Each EMAM attribute is communicated between the application client
and the drive in the format shown in figure 123
and described in table
136. This format is used in the parameter data for the WRITE ATTRIBUTE
command (see WRITE ATTRIBUTE Command (8Dh)
on page 336) and
the
READ ATTRIBUTE command (see READ ATTRIBUTE Command
(8Ch) on page 235).
Bit
Byte
7 6 5 4 3 2 1 0
0 — 1
(MSB)
Available Data (02h)
(LSB)
2 First Partition Number
3 Number of Partitions Available
Field Description
Available Data Preset to 02h.
First Partition
Number
Indicates the first partition available on the
specified volume number. Partition numbering
starts at 0.
Number of
Partitions
Available
Indicates the number of partitions that are
available. DLT-S4 tape drives only support one
partition on the medium.