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Table 8–17: TL881 and TL891 MiniLibrary Performance and Capacity Comparison
Configured
Number of
a b
Base Units
for
Maximum:
Performance
5
Capacity
1
a Using an expansion unit with a full 16-cartridge magazine.
b Each base unit has a full 10-cartridge magazine and two tape drives.
c Using a data unit with full 16-cartridge magazine.
d Up to 1.5 MB/sec per drive.
e Based on 20 GB/cartridge uncompressed. It could be up to 40 GB/cartridge compressed.
f Up to 5 MB/sec per drive.
g Based on 35 GB/cartridge uncompressed. It could be up to 70 GB/cartridge compressed.
By modifying the combinations of base units and data units, the performance
and total capacity can be adjusted to meet the customers' needs.
8.12.1.4 DLT MiniLibrary Part Numbers
Table 8–18 shows the part numbers for the TL881 and TL891 DLT
MiniLibrary systems. Part numbers are only shown for the TL881 fast,
wide differential components.
Table 8–18: DLT MiniLibrary Part Numbers
DLT Library Component
TL881 DLT Library
TL881 DLT Library
TL881 DLT MiniLibrary
Base Unit
TL881 DLT MiniLibrary
Base Unit
Add-on DLT 20/40 drive
for TL881
TL891 DLT Library
TL891 DLT Library
TL891 DLT MiniLibrary
Base Unit
8–60 Configuring a Shared SCSI Bus for Tape Drive Use
TL881 MiniLibrary
Number of
Transfer
Storage
c
d
Data Units
Rate
Capacity
0
15 MB/sec
1.32 TB (66
(54
cartridges)
GB/hour)
4
3 MB/sec
1.8 TB (90
(10.8
cartridges)
GB/hour)
Number of Tape
Tabletop/Rackmount
Drives
1
Tabletop
2
Tabletop
1
Rackmount
2
Rackmount
1
N/A
1
Tabletop
2
Tabletop
1
Rackmount
TL891 MiniLibrary
Transfer
Storage
e
f
g
Rate
Capacity
50 MB/sec
2.31 TB (66
(180
cartridges)
GB/hour)
10 MB/sec
3.15 TB (90
(36
cartridges)
GB/hour)
Part Number
128667-B21
128667-B22
128669-B21
128669-B22
128671-B21
120875-B21
120875-B22
120876-B21
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