HP NonStop G-Series - Manual (Page 15)

5157/5157 ACL S-Series DLT Subsystems Installation/Users Guide
Overview and Features of the 5157/5157 ACL S-series Subsystem
1-4
Compression can be selected on the drive front panel or
from the host by using the SCSI MODE SELECT
command.
The DLT 5157/5157 ACL tape drives also accept the
DLTtape

IIIxt cartridge. When this cartridge is used the
amount of data stored on the tape can be up to 15.0 GB
non-compressed or 30.0 GB compressed. The actual
amount of data stored in the compression mode is
dependent on the data type. Compression can be selected on
the drive front panel or from the host by using the SCSI
MODE SELECT command.
The DLT tape drives also accept the DLTtape

III
cartridge. When this cartridge is used, the amount of data
stored on the tape can be up to 10.0 GB non-compressed or
20.0 GB compressed. The actual amount of data stored in
the compression mode is dependent on the data type.
Compression can be selected on the drive front panel or
from the host by using the SCSI MODE SELECT
command.
1.6 Compaction
The compaction feature of the DLT 5157/5157 ACL tape
drives helps to store data efficiently. A read/write data
cache of up to 8.0 MB allows working space for the
compaction, enabling maximum use of available tape space.
1.7 Strong Media
The tape media can endure 500,000 passes and a shelf life
of 30 years, which provides superior media durability and
data reliability.