
Chapter 1 Library Description
Overview
Quantum PX720 User’s Guide
8
Table 5 HP LTO-3
Characteristics
Table 6 HP LTO-4
Characteristics
Shelf Slot Numbering
Conventions
1
The library slot numbering conventions differ depending on the library
model:
•
Quantum PX720 SDLT Model
•
Quantum PX720 LTO Model
Quantum PX720 SDLT Model
1
The Quantum PX720 SDLT model stores cartridges in the following
locations:
• Up to 20 tape drives
• 648 storage slots on interior walls (see
• 2 programmable load ports with 14/28 SDLT slots each
Quantum PX720 HP LTO-3 Model (drives/slots)
20/732
Capacity in Terabytes (TB) (400 GB per cartridge)
292
Throughput (GB/hr) based on 80 MB/sec transfer rate
5760
Quantum PX720 HP LTO-4 Model (drives/slots)
20/732
Capacity in Terabytes (TB) (800 GB per cartridge)
586
Throughput (GB/hr) based on 120 MB/sec transfer rate
8640
Note:
A card cage is used to accommodate FC470 Fibre Channel
bridges if required. Both with and without card cage storage
elements are reflected in the following tables.