Step 5 - Connecting The Controller-Drive Tray To The Hosts; Key Terms; Topology; Direct Topology - Quantum StorNext QD7000 Installation Manual

Step 5 - Connecting the controller-drive tray to the
hosts

Key terms

Topology

The logical layout of the components of a computer system or network and their interconnections.
Topology deals with questions of what components are directly connected to other components from
the standpoint of being able to communicate. It does not deal with questions of physical location of
components or interconnecting cables. (

Direct topology

A topology that does not use a switch.

Switch or fabric topology

A topology that uses a switch.

Things to know - Storage array configuration specifications

Table 10: Storage array configuration specifications
Item
Number of controllers
Number of host connectors per
controller
Maximum HBA host ports
Maximum SAS HBA logins
per controller
Maximum InfiniBand logins
per controller
Maximum Fibre Channel
logins per controller
SAS HIC host port link rate
(Gb/s)
InfiniBand HIC host port link
rate (Gb/s)
Fibre Channel HIC host port
rate (Gb/s)
The Dictionary of Storage Networking Terminology
Specification
Two
• Four SAS host connectors if the SAS HIC is installed.
• Two InfiniBand host connectors if the InfiniBand HIC is
installed.
• Four FC host connectors if the Fibre Channel HIC is installed.
• Four iSCSI host connectors if the iSCSI HIC is installed.
2048
128
256
4096
3, 6, 12
40, 56
4, 8, 16
51
)