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204
P
RODUCT
M
ANUAL
1017472
A
PPENDIX
A—S
PECIFICATIONS
S
IZE AND
W
EIGHT
Table A-2 lists the library’s dimensions and weight.
P
ERFORMANCE
S
PECIFICATIONS
This section describes the following performance specifications for the library.
D
ATA
T
RANSFER
R
ATE
The data transfer rate for the library depends on the model of tape drive(s)
installed, as shown in
Table A-3 .
T
APE
D
RIVE
P
ERFORMANCE
When installed in the library, a tape drive performs within its specifications.
For more information about tape drive performance specifications, refer to the
LTO Ultrium tape drive documentation available from the following web sites:
IBM — www.storage.ibm.com/tape/lto/oem/index.html
Hewlett Packard — www1.hp.com/storage/tapestorage.html
Table A-2
Library dimensions and weight
Dimensions
a
(L x W x D)
a
Dimension from front rail mount to rear of chassis. Front bezel extends forward an additional 2.54 cm
(1.5 inches).
77.54 cm x 44.63 cm x 8.75 cm
(29.0 x 17.57 x 3.45 inches)
Weight 20.9 kg (46.1 lb) with no cartridges installed
b
b
This weight includes the library with one full height tape drive, and two magazines.
Table A-3
LTO Ultrium tape drive transfer rate and capacity
Tape Drive
Maximum Data Transfer Rate
Native Compressed
a
a
Assuming a 2:1 compression ratio. Actual compressed transfer rate varies depending on the type of data
being recorded and the system configuration.
LTO Ultrium 2 Full height 24 MB per second 173 GB per hour
LTO Ultrium 3 Half height
b
b
When attached to an Ultra160 (Ultra3) SCSI bus. All sustained data rates are dependent on the
capabilities of the SCSI bus (for example, an Ultra2 SCSI bus is limited to less than 40 MB/second).
60 MB per second 432 GB per hour
LTO Ultrium 3 Full height
b
80 MB per second 576 GB per hour
LTO Ultrium 4 Full height
b
120 MB per second 864 GB per hour