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DRAC - How to set FAN Speed Offset Values in iDRAC7 Without Reboot


This article provides information on how to set FAN Speed Offset values in iDRAC7 without reboot.


Question:


12th Generation PowerEdge servers provide support to set FAN speed offset values to provide higher or lower airflow based on hardware configurations.

Currently this is possible by setting values in DRAC configuration utility accessed during POST. Modifying these setting is not possible through RACADM or GUI at this moment.

Workaround can be used to set these values remotely.


Answer


FAN speed Offset settings could be modified using ipmitool command. This will be supported feature in next racadm release for iDRAC7.

Install Dell BMC tools on a management station and ensure IPMI over LAN is enabled in iDRAC Network Configuration. (Click here for Dell BMC Utility download.)

To set value to Low FAN speed offset run command:

ipmitool -I lanplus -H ipaddress of idrac -U username -P password raw 0x30 0xCE 0x00 0x09 0x07 0x00 0x00 0x00 0x07 0x00 0x02 0x02 0x02 0x00 0x00


To set value to high FAN speed offset run command:

ipmitool -I lanplus -H ipaddress of idrac -U username -P password raw 0x30 0xCE 0x00 0x09 0x07 0x00 0x00 0x00 0x07 0x00 0x02 0x02 0x02 0x01 0x00


FAN speed would change immediately after running the command successfully.



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Artikel-ID: SLN285596

Datum der letzten Änderung: 03/15/2018 11:50 AM


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