Chapter 1 Library Description
Library Components
Quantum PX720 User’s Guide
27
Tape Drives
1
The Quantum PX720 can hold up to 20 SDLT-320, SDLT-600, LTO-2,
LTO-3, and LTO-4 tape drives.
Table 10 Tape Drive and
Cartridge Specifications
* Compressed capacity assumes a 2:1 compression ratio.
When fewer than 20 drives are installed in a Quantum PX720, the tape
drives must occupy consecutive drive clusters, beginning with drive
cluster 0 (refer to the label located on the inside of the back door for tape
drive cluster locations).
The drives used in Quantum PX720 are more reliable than standard
drives due to the automated environment.
If a drive experiences read/write errors when the AutoClean function is
enabled, the library issues an error message stating that drive cleaning is
required. Without user intervention, the CHM (cartridge handling
Tape
Cartridge
Transfer
Rate
Cartridge
Capacity
Cartridge
Capacity
(compressed)
Total Library
(PX720) Capacity
Library
Capacity
(compressed*)
Quantum
SDLT320
16 MB/sec
160 GB
320 GB
104 TB
208 TB
Quantum
SDLT600
36 MB/Sec
300 GB
600 GB
194 TB
389 TB
Quantum
DLT-S4
60 MB/Sec
800 GB
1600 GB
518 TB
1.03 PB
(Petabytes)
HP LTO
Ultrium
Gen II
30 MB/sec
200 GB
400 GB
146 TB
292 TB
HP LTO
Ultrium
Gen III
80 MB/sec
400 GB
800 GB
292 TB
584 TB
HP LTO
Ultrium
Gen IV
120 MB/sec
800 GB
1600 GB
584 TB
1.17 PB
(Petabytes)
Содержание PX720
Страница 23: ...StorageCare Guardian Quantum PX720 User s Guide xxiii...
Страница 179: ...Chapter 3 Quantum PX720 Remote Management Setup Quantum PX720 User s Guide 156 Figure 90 Secure Key Page...
Страница 231: ...Appendix B Relocating the Library Crating the Library Quantum PX720 User s Guide 208 Figure 112 Crating the Library...
Страница 247: ...Appendix D Regulatory Statements Declaration of Conformity Quantum PX720 User s Guide 224 Declaration of Conformity...