Users Guide

• ECM is already enabled and the fan configuration is changed to Mixed Mode or all fans do not
support ECM mode. In this case, the ECM mode can be disabled, but cannot be enabled again
until all fans in the chassis support ECM.
NOTE: The Enhanced Cooling Mode and the Apply options are grayed out if:
• ECM mode is already disabled and fan configuration consists of unsupported fans along
with supported fans. The information section displays a message listing the fans that are
incompatible with ECM feature.
• ECM mode is already disabled and Max Power Conservation Mode (MPCM) is enabled. The
information section displays a message that ECM is not supported when MPCM is enabled.
For more information see the CMC Online Help.
If the ECM feature is disabled, you cannot enable the feature again until all fans in the chassis support
ECM.
3. Click Apply.
An operation successful message is displayed after the ECM option is successfully enabled or
disabled. The ECM mode does not get enabled if:
• The extra power required for supported fans is not available.
• Any of the fans in the chassis does not support ECM.
• MPCM is already enabled.
An alert message with the reason for ECM not getting enabled is displayed .
NOTE: If you try to enable MPCM when ECM is enabled, the ECM mode changes to enabled but
unsupported state.
Configuring Enhanced Cooling Mode for Fans Using RACADM
To enable and configure the Enhanced Cooling Mode for fans, use the following RACADM object under
the cfgThermal group:
cfgThermalEnhancedCoolingMode
For example, to enable the ECM mode, use:
racadm config –g cfgThermal –o cfgThermalEnhancedCoolingMode 1
In case of errors, an error message is displayed. The default value of Enhanced Cooling Mode option is
disabled (0). This value is set to disabled (0) when racresetcfg command is issued.
To view the current ECM mode, use:
racadm getconfig –g cfgThermal
To view the current state of ECM mode, use:
racadm getfanreqinfo
[Enhanced Cooling Mode]
Enhanced Cooling Mode(ECM) Status = Disabled
For more information, see the Chassis Management Controller for Dell PowerEdge M1000e RACADM
Command Line Reference Guide available at dell.com/support/manuals.
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