9840 Tape Drive Operations Guide—429596-002
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1 9840 Tape Drive Overview
This section contains:
9840 Tape Drive Description
The 9840 is a small, modular, high performance tape drive designed for NonStop
servers. The 9840 tape drive is used in tape enclosure or tape library configurations
and is compatible with theses tape libraries: the 9310, 9710, 9740, and L700.
The tape drive measures 82.55 mm (3.25 inches) high, 146.05 mm (5.75 inches) wide,
and 381 mm (15 inches) deep. The 9840 features a proprietary design to provide faster
average access time, higher data rates, higher capacity, and lower costs compared
with similar units in the marketplace.
Fast Data Transfer Rate
Used for unattended backups or archiving, the 9840 tape drive allows the user to
backup a higher data capacity at a higher speed. In a noncompressed mode, the 9840
tape drive has a maximum transfer rate of 10 MB/sec.
High-Capacity
The 9840 tape drive accepts the STK1R data cartridge. When this cartridge is used,
the amount of data stored on the tape can be up to 20 GB (uncompressed).
Media Durability
The STK1R data cartridge can endure 10,000 loads, 6,500 long-length passes, and
80,000 short-length passes, and a minimum shelf life of 10 years, which provides
superior media durability and data reliability.
Data Compression
The 9840 tape drive can write compressed or uncompressed information to a labeled
or unlabeled tape. Compression increases the cartridge capacity (over the
uncompressed format) by two to three times.Writing compressed data on tape means
the tape drive compresses data whenever possible. The specific amount of data stored
on the tape is not predictable because the amount of compression varies with the type
of data being written. Because of this, the amount of compressed data stored on tape
can vary significantly.
9840 Tape Drive Description 1-1
9840 Tape Drive in Tape Libraries 1-2
9840 Tape Cartridge Description 1-2
Where to Find More Information 1-4