Chapter 1
Before You Begin
11
Hardware Components and LEDs
This section describes the main hardware components of R/Evolution storage
system enclosures.
R/Evolution 2730 FC Controller Enclosure
Components and LEDs
The controller enclosure can be connected to Fibre Channel host bus adapters
(HBAs) or switches. Table 1-1 describes the enclosure components.
Table 1-1
Controller Enclosure Components
Description
Quantity
FC controller (I/O) module
1 or 2
1
1 Air-management system drive blanks or I/O blanks must fill empty slots to maintain optimum airflow through the chassis.
SAS or SATA drive module
2–12 per enclosure
AC power-and-cooling module
2 per enclosure
2- or 4-Gbps FC host port with SFP
2 per controller module
3-Gbps, 4-lane SAS expansion port
1 per controller module
Ethernet port (RJ-45)
1 per controller module
CLI port (RS-232 micro-DB9)
1 per controller module
Service port (RS-232 3.5-mm jack)
1 per controller module