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Inspecting and Identifying a Cartridge
96154 • Revision K Chapter 5 Cartridge Information 85
The Super DLTtape II cartridge like other high capacity cartridges has only the supply
reel inside the cartridge. The take-up reel is inside the tape drive. Designed for use with
the SDLT600, the Super DLTtape II cartridge delivers a 300 GB native capacity.
StorageTek offers SDLT cartridges in a partnership with Quantum Corporation.
TABLE 5-5 lists the specifications of the
SDLT cartridges.
Note – The Super DLTtape I and DLTtape VS1 are both readable on the SDLT600 Tape
Drive.
VolSafe Cartridges
VolSafe (volume safe) and WORM-enabled tape drives provides write once, read many
(WORM) technology to VolSafe designated cartridges. VolSafe permits new data to only
append the tape media, while it prevents erasure or overwrite of previously written
data.
All StorageTek T-Series tape drives are VolSafe-technology-capable and you can identify
the VolSafe cartridge by the colored areas on the cartridge.
TABLE 5-5 SDLT Cartridge Specifications
Specifications SDLTtape I SDLTtape II
Capacity, native 110 GB (SDLT 220)
160 GB (SDLT320)
300 GB
Performance
Read/Write speed 3.1 m/s 3.56 m/s
Search/Rewind speed 4.1 m/s 4.83 m/s
Format
Recording density (kilobits per inch) 193 kb/in (SDLT320)
233 kb/in
Number of tracks 448 640
Tape length (total)
Usable
854 m (2800 ft)
538 m (1765 ft)
630 m (2066 ft)
596 m (1957 ft)
Availability
Archival life 15–30 yrs 15–30 yrs
Durability Average 1,000,000+ head passes
in an office/computer environment
Long-length durability (maximum) 260 full media passes
Uncorrected bit error rate 1 x 10
-17
1x10
-17
Permanent errors Zero Zero
Compatibility
Read
Write
DLT IV, SDLTtape I
SDLTtape I
SDLTtape I, II
SDLTtape II
Supported tape drives SDLT 220/320 SDLT 320/600