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E1 | Specifications
Functional Specifications
The following table lists tape capacity, tape performance
characteristics, and media life expectancy.
Capacity: Super DLTtape I Formatted Cartridge
SDLT 220
SDLT 320
Native
110 GB
160 GB
Compressed (2:1)
220 GB
320 GB
Super DLTtape I Characteristics
Load to BOT
12 s (typical), 40 s
(unformatted tape)
Same
Unload from BOT
12 s
Same
Average access time
70 s (from BOT)
Same
Max access time
142 s (from BOT)
Same
Average rewind time
69 s
Same
Max rewind time
140 s
Same
Read/Write tape speed
116 ips
122 ips
Rewind tape speed
160 ips
Same
Linear search tape speed
160 ips
Same
Linear density
133 Kbpi
193 Kbpi
Media Life Expectancy
DLTtape IV
SDLTtape I
Cartridge load/unload
cycles
*
* Load and unload cycles are rated at 5,000 for the cartridge itself.
10,000
100,000
Tape insertions
†
† An insertion is when a tape is inserted into the receiver,
loaded to BOT, calibrated, and then unloaded.
5,000
Same
Full tape uses (end-to-end) 250
Same
Tape life (media only)
‡
‡ A media pass is defined as movement of the tape head over
the surface of the media (in either direction).
1,000,000 passes
Same