
Chapter 2. Netfinity solutions 37
Figure 21. Netfinity Fibre Channel RAID Controller Unit
The RAID controller unit is connected to either a Fibre Channel PCI adapter
installed in the server for simple configurations, or a Fibre Channel hub in more
complex configurations. The RAID controller unit has two Fibre Channel
connections as shown in Figure 22 on page 37, one for each of the RAID
controllers installed in the unit (one controller is standard, the other is optional).
These are Fibre Channel short-wave connections, which means that the
connection to the hub or host adapter can be up to 500 meters long.
Note: The RAID controllers are sometimes referred to as RAID controller
modules.
Figure 22. Fibre Channel RAID Controller Unit (rear panel)
Six Ultra2 LVD SCSI channels allow connectivity to six Netfinity EXP10 or EXP15
external storage enclosures. The RAID controller converts the incoming Fibre
Channel signal to LVDS. The RAID controllers provide the functions to manage
RAID arrays on the external enclosures.
Hot-Swap RAID Controller
Controller (optional Second
Redundant Controller)
Battery Backup Unit
for Cache
Hot-Swap Redundant
Fan for Controllers
Hot-Swap
Redundant Fan
for Power
Supplies
Hot-Swap
Redundant Power
Supplies
2
0
9
8
-
0
2
a
4
5
62
31
Fibre
Connections
from Hub or
PCI Host
Adapter
Power Supply
LVD SCSI Connections
to EXP10s or EXP15s
Power SupplyPower Supply Fan
Host ID
Switches
RS-232C
Connections
Ethernet
Connections
UPS Connection
2098-02a
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