Fujitsu IRF-1D series, User Manual

Page: 26 / 182

Chapter 1 - Getting Started
RAID Controllers
14
RAID Controllers
The imageRAID Series Storage System is designed to house one or two hot
pluggable imageRAID Controllers. They are next generation dual port
high-performance 2 Gb/second Fibre Channel-to-Fibre Channel RAID controllers
supporting RAID levels 0, 1, 5, 10, and 50.
There are two models of the imageRAID Controller. The base imageRAID model is
a FC-FC RAID Controller with a single RISC processor. The imageRAIDXP model is
the base controller plus a co-processor.
The controllers are designed for “I/O Intensive” and “Bandwidth Intensive”
applications, providing simplex (stand-alone) and duplex (active-active)
configurations designed for existing and future Fibre Channel topologies. In
simplex operations, the controller operates autonomously. In duplex
configurations, the two controllers operate as a pair. In the event one controller
fails, fault tolerance is maintained via hardware failover allowing either controller to
take over the operations of the other controller.
Fibre Channel-Fibre Channel imageRAID Controller
Each controller has two Fibre Channel ports and two Fibre Channel disk ports for
a “2x2” configuration (dual host-dual drive). In duplex configurations, it can
process up to 80,000 I/O’s per second (IOPS). The active-active pair of RAID
controllers can feed data to SAN nodes at a sustained rate of 320 MB/sec, and
process RAID 5 write operations at 220 MB/sec.
OVR
CUR
PRTN
R
1K
1K 10/10
0
10/100
RS-232
DTE
PWR
H1L
H0L
D1L
D0L
DR
T H1A H0A
D1A
D0A
RS-232 Service Port
Over Current & Partner Controller Status
Controller Status LEDs
imageRAID.book Page 14 Tuesday, September 23, 2003 4:08 PM