Dell IP4700 Service Guide - Page 64

If a CRU fails, the IP4700, s high availability and write cache

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Servicing and Upgrading an IP4700 3 Table 3-2 Status LEDs Visible from the Back of the IP4700 (continued) Light Quantity Color Meaning Link control card fault 1 per link control Amber card On when either the LCC or a FC-AL connection is faulty. LAN link (10/100) 1 per port Green On when there is a valid Ethernet connection. LAN activity (10/100) 1 per port Amber Blinks during Ethernet activity. LAN link (gigabit) 1 per SP Green Solid when link is active and NIC is enabled. Flashing slowly when NIC is disabled but firmware is loaded and running. LAN data (gigabit) 1 per SP Amber With solid Link LED, indicates data activity on the NIC. By itself, indicates fault condition with firmware halted. Power supply active 1 per supply Green On when the power supply is operating. Power supply fault 1 per supply Amber On when the power supply is faulty or is not receiving ac line voltage. Cooling fault 1 per supply Amber Flashing when multiple fans in the drive fan pack are faulty or the drive fan pack is removed. The IP4700 powers down the storage processors and disk drives when the fault persists for more than about two minutes. Drive fan pack fault 1 on fan pack Yellow On when a fan in the drive fan pack is faulty. If the IP4700 enclosure fault LED is on, you should look at the other fault LEDs to determine which CRU(s) are faulty, and replace them as soon as possible. If a CRU fails, the IP4700's high availability and write cache capability is compromised until you replace the faulty CRU. 3-4 IP4700 Installation and Service Guide

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3
3-4
IP4700 Installation and Service Guide
Servicing and Upgrading an IP4700
If the IP4700 enclosure fault LED is on, you should look at the other
fault LEDs to determine which CRU(s) are faulty, and replace them as
soon as possible.
If a CRU fails, the IP4700
’
s high availability and write cache
capability is compromised until you replace the faulty CRU.
Link control card fault
1 per link control
card
Amber
On when either the LCC or a FC-AL connection is faulty.
LAN link (10/100)
1 per port
Green
On when there is a valid Ethernet connection.
LAN activity (10/100)
1 per port
Amber
Blinks during Ethernet activity.
LAN link (gigabit)
1 per SP
Green
Solid when link is active and NIC is enabled.
Flashing slowly when NIC is disabled but firmware is loaded and
running.
LAN data (gigabit)
1 per SP
Amber
With solid Link LED, indicates data activity on the NIC.
By itself, indicates fault condition with firmware halted.
Power supply active
1 per supply
Green
On when the power supply is operating.
Power supply fault
1 per supply
Amber
On when the power supply is faulty or is not receiving ac line
voltage.
Cooling fault
1 per supply
Amber
Flashing when multiple fans in the drive fan pack are faulty or
the drive fan pack is removed.
The IP4700 powers down the storage processors and disk
drives when the fault persists for more than about two minutes.
Drive fan pack fault
1 on fan pack
Yellow
On when a fan in the drive fan pack is faulty.
Table 3-2
Status LEDs Visible from the Back of the IP4700 (
continued
continued
continued
continued
)
Light
Quantity
Color
Meaning