Spectra Logic 10000 User Manual

Page 34

Advertising
background image

Chapter 3. Preparing the Library

34

As explained above, each logical library has a separate SCSI bus, separate drives, and
separate slots. The following diagrams illustrate different logical library configurations.

Possible Logical Library Configuration 1

In the example below, a four-drive, 40-slot library

is connected to two machines. Each host is allocated 20 tape slots and exclusive rights
to two tape drives each. A SunOS host machine runs Veritas software with 20 slots and
two drives on SCSI Bus 1; an HPUX host machine running Veritas is allocated the
remaining 20 tape slots and two drives on the second SCSI bus. The Emulate 1/2 field
is set to 10 (Sun running Solaris) and the Emulate 3/4 field is set to 13 (HP9000
running HPUX).

Figure 3-5 Possible Logical Library Configuration 1.

SunOS Host

HPUX Host

Drive 1

Drive 2

Drive 3

Drive 4

20 Slots

20 Slots

SCSI Bus 1

SCSI Bus 2

Advertising