User`s guide

3-2 NovaScale R422 Installation and User's Guide

obstructing the airﬂ ow in the system or the ambient room temperature being too warm.

Check the routing of the cables and make sure all fans are present and operating

normally. You should also check to make sure that the chassis covers are installed.

Finally, verify that the heatsinks are installed properly (see Chapter 5). This LED will

remain ﬂ ashing or on as long as the indicated condition exists.

NIC2 : Indicates network activity on LAN2 when ﬂ ashing .

NIC1 : Indicates network activity on LAN1 when ﬂ ashing.

HDD : Channel activity for the hard disk drives. This light indicates SATA drive activity

on the NovaScale R422/R422-INF server when ﬂ ashing.

Power : Indicates power is being supplied to the system's power supply unit. This LED

should normally be illuminated when the system is operating.

3-4 SATA Drive Carrier LEDs

Each SATA drive carrier has two LEDs.

Green : When illuminated, the green LED on the front of the SATA drive carrier

indicates drive activity. A connection to the SATA backplane enables this LED to blink

on and off when that particular drive is being accessed.

Red : The red LED indicates two states. When blinking, it indicates the drive is

rebuilding. When solid, it indicates a drive failure. If a SATA drive fails, you should

be notiﬁ ed by your system management software. Please refer to Chapter 6 for

instructions on replacing failed SATA drives.

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