Identifying Control Module Failures; Understanding Failover Behavior - Dell EqualLogic PS6010 Hardware Maintenance

PS6010 Hardware Maintenance
Table 3-2: Management Port LED Descriptions
LED Location
Left (see callout 2)
Right (see callout 2) Off
Table 3-3: Ethernet Port 0 and 1 LED Descriptions
LED Name
ACT (see callout 3)
LNK (see callout 3) Off

Identifying Control Module Failures

You can identify a failure in a control module by:
• LEDs. See Interpreting Control Module LEDs on page 3-2.
• Messages. A message on the console, in the event log, or in the Group
Manager GUI Alarms panel describes a control module failure.
• Group Manager GUI and CLI output. The Member Controllers window or
the
member select show controllers
control module status
When viewed from the rear of the array, CM0 is on the right, and CM1 is on the
left. See Figure 1-3.
If a control module fails, see your PS Series support provider for a replacement.

Understanding Failover Behavior

In a dual control module array, only one control module is active (serving network
traffic) at one time. Each control module includes a battery-backed write cache for
Color Description
Off No power or not connected to network.
Green Connected to network.
No power, not transmitting, or not receiving.
Green Transmitting or receiving.
Color Description
Off No power, not transmitting, or not receiving.
Orange Transmitting or receiving.
No power or not connected to network.
Green Connected to network.
not installed
Maintaining Control Modules
command output shows the
.
3–3