General 8Mm Tape Drive Information; Tape Drives; Tape Formats And Capacities - Sun Microsystems SPARCstorage Library User Manual

Tape Drives

Tape Formats and Capacities

General 8mm Tape Drive
Information
The drives currently used in the tape library are model 8505XL drives. These
8mm devices incorporate internal data compression and can use the longer 160
meter length tapes.
The tape drives in the library can write and read in three basic formats: 8200,
8500, and 8500c (compressed). Capacity of the tape will vary depending on
format and tape length. See Table B-1.
Table B-1 Tape Capacities
Solaris 2.x
1
Format Tape Format
/dev/rmt/0l 8200
/dev/rmt/0m 8500
/dev/rmt/0h 8500compress
/dev/rmt/0c 8500compress
1
use /dev/rmt/1 for second drive, /dev/rmt/2 for third. etc.
2
The 160m tapes are only usable in the tape library version of the drives and the standalone 14 Gbyte drives
3
Capacity assumes a 2:1 compression ratio.
Capacity per Tape Length
15 meter 112 meter
0.3 Gbyte 2.3 Gbyte
0.6 Gbyte 5 Gbyte
3
1.2 Gbyte 10 Gbyte
3
1.2 Gbyte 10 Gbyte
B
2
160 meter
n/a
7 Gbyte
3 3
14 Gbyte
3 3
14 Gbyte
B-1