Chapter 3: System Specifications
LTO Drive Requirements and Compatibility
68 Scalar i6000 Planning Guide
Table 9 LTO Drive
Compatibility
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,
attached to the storage area network (SAN), or connected to FC I/O
blades in the I/O management unit.
LTO-1 LTO-2 LTO-3
LTO -3
WORM
LTO -4
LTO -4
WORM
LTO -5
LTO -5
WORM
LTO-6
LTO-6
WORM
LTO -1
Drive
Reads/
Writes
N/C N/C N/C N/C N/C N/C N/C N/C N/C
LTO -2
Drive
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
N/C N/C N/C N/C N/C N/C N/C N/C
LTO -3
Drive
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/
Writes
Write
Once,
Read
Many
d
d.LTO-3 WORM requires the installation of library firmware and WORM-supported LTO-3 tape drive code
N/C N/C N/C N/C N/C N/C
LTO -4
Drive
N/C 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.
N/C N/C N/C N/C
LTO -5
Drive
N/C N/C Read Read
Many
Reads/
Writes
Write
Once,
Read
Many
Reads/
Writes
Write
Once/
Read
Many
f
f.LTO-5 WORM requires the installation of the library firmware and WORM-supported LTO-5 tape drive code.
N/C N/C
LTO -6
Drive
N/C N/C N/C N/C Read Read
Many
Reads/
Writes
Write
Once,
Read
Many
Reads/
Writes
Write
Once,
Read
Many
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