Chapter 1: Introduction
Major Subsystem
Components
1-9
computer. A dual-audio-jacks-to-DB9 Y-cable is included with the
shipping package.
The second COM port, marked as
COM2,
can be used for connecting
to an uninterruptible power supply (UPS). An optional audio-jack-to-
DB9 cable (PN: GAL-9270CUPSYCab) is available for purchase.
Please refer to the Appendices for instructions on connecting a UPS.
Ethernet port:
All controller modules come with a 10/100BaseT
Ethernet port that can be used for local/remote management console.
When operated in the dual-active mode, system configuration is
handled through one of the RAID controllers. In the event when one
controller fails, the Ethernet port on the surviving controller inherits the
configured IP and continues the monitoring or configuration session.
Shielded cables are recommended to protect against emissions.
Connect the other end of the Ethernet cable to a LAN port of your local
network.
LED indicators:
Each controller’s interface faceplate comes with
numerous LED indicators. Please refer to
Chapter 4
for information on
the LED definitions.
Restore Default Button/LED:
Pressing the “restore default button”
while powering on the subsystem will restore firmware default settings.
CAUTION!
The Restore NVRAM Default push button is a function that carries some
risks. Firmware restoration will not destroy the existing logical drive
configurations; however, if the existing logical drives cannot be
adequately associated with host ID/LUNs after firmware default
restoration, data loss or inconsistencies may occur.
The “Restore Default” button is a non-latch type push button
accessed through a round opening underneath the Restore Default
LED.
Listed below are the necessary procedures that should be
completed before using this button:
1.
Before pressing this button to restore firmware defaults, it is
highly advised to make a list of the existing ID/LUN mapping
information. You will need the list for restoring ID/LUN
mapping after restoring defaults. Default restoration will erase
the ID/LUN mapping associations (e.g., which logical drive is
associated with which host ID/LUN), and it is necessary to
restore the host ID/LUN mapping after firmware default
restoration in order to access data on the previously configured
arrays.
