Quantum Scalar i2000 Guide de l'utilisateur Page 44

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Chapter 2 Description
Tape Drives
Scalar i6000 User’s Guide 31
LTO Drives 2
Five generations of LTO drives are supported, but they are not fully
compatible as shown in Table
2.
Table 2 LTO Drive and
Cartridge Compatibility
LTO-1
C
artridge
LTO-2
Cartridge
LTO-3
Cartridge
LTO-3
WORM
LTO-4
Cartridge
LTO-4
WORM
LTO-5
Cartridge
LTO-5
WORM
LTO-1
Drives
Reads/
Writes
Not
compatible
Not
compatible
Not
compatible
Not
compatible
Not
compatible
Not
compatible
Not
compatible
LTO-2
Drives
Reads/
Writes
a
a.LTO-2 drives do not reformat LTO-1 cartridges. The drives will write to the cartridges in the LTO-1 format
(100 GB capacity).
Reads/
Writes
Not
compatible
Not
compatible
Not
compatible
Not
compatible
Not
compatible
Not
compatible
LTO-3
Drives
Reads
b
b.LTO-3 drives only read LTO-1, they do not write to the LTO-1.
Reads/
Writes
c
c.LTO-3 drives do not reformat LTO-2 cartridges to contain the same density as the LTO-3 cartridges (400
GB). The LTO-3 drives will write to the LTO-2 cartridges in the LTO-2 format (200 GB capacity).
Reads/
Wr
ites
Write Once,
Read
Many
d
d.LTO-3 WORM requires the installation of library firmware and WORM-supported LTO-3 tape drive
code.
Not
c
ompatible
Not
compatible
Not
compatible
Not
compatible
LTO-4
Drives
Not
com
patible
Reads Reads/
Writes
Write Once,
Read Many
Reads/
Writes
Write
Once, Read
Many
e
e. LTO-4 WORM requires the installation of the library firmware and WORM-supported LTO-4 tape drive
code.
Not
compatible
Not
compatible
LTO-5
Drives
Not
com
patible
Not
compatible
Read Read Many Reads/
Writes
Write
Once, Read
Many
Reads/
Writes
Write Once,
Read Many
All LTO cartridges are the same size, which means they use the same
magazines in the library.
LTO drives can be directly attached to hosts, att
ached to the SAN, or
connected to FC I/O blades in the I/O management unit. SCSI drives
must be directly attached to hosts or to the SAN.
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