Chapter 10. Read Element Status—B8h
40
the specified element address, 0 if it cannot. This bit is 1 if a cartridge magazine is
installed, 0 if no magazine is installed in the library.
Tape Drives—Data Transfer Elements
The data transfer elements are the tape drives. The tape drives are also known as the
cartridge tape subsystem or CTS; the library can have up to two CTSs. Terms in bold in
the table below are defined in the table immediately following.
Table 10-8: Storage Element Descriptor (Magazine Slots)
Byte
Bit
0
1
2
3
4
5
6
7
00
(MSB)
Element Address
a
Default value=0-14 (0-29 on 30-cartridge Spectra 2K libraries)
a.
These fields are described in Table 10-6 on page 38.
01
(LSB)
02
Reserved
Access
Except
a
Reserved
Full
a
03
Reserved
04
Additional Sense Code
a
05
Additional Sense Code Qualifier
a
06 - 08
Reserved
09
SValid
a
—0
Invert
a
—0
Reserved
10
(MSB)
Source Storage Element Address
a
11
(LSB)
12 - 47
(MSB)
Primary Volume Tag Information
a
(Field omitted if PVolTag=0)
(LSB)
48 - 51
Reserved
(Field moved up if Primary Volume Tag Information field is omitted)
