====== R730 ipmi fan control ======
query temps and speeds:
<code>ipmitool -I lanplus -H 172.16.0.18 -U root -P calvin sensor reading "Inlet Temp"\
"Exhaust Temp" "Fan1" "Fan2" "Fan3" "Fan4" "Fan5" "Fan6"</code>

check fan speed profile:
<code>ipmitool -I lanplus -H 172.16.0.18 -U root -P calvin raw 0x30 0xce 0x01 0x16 0x05 0x00 0x00 0x00</code>

stock: <code> 16 05 00 00 00 05 00 00 00 00</code> (loud)

adjusted for non-dell cards: <code> 16 05 00 00 00 05 00 01 00 00</code> (quiet)

disable non-dell cooling profile:
<code>ipmitool -I lanplus -H 172.16.0.18 -U root -P calvin raw 0x30 0xce 0x00 0x16 0x05 0x00 0x00 0x00 0x05 0x00 0x01 0x00 0x00 </code>

===== and =====
disable automatic control:
<code>ipmitool -I lanplus -H 172.16.0.18 -U root -P calvin raw 0x30 0x30 0x01 0x00</code>

fan speeds? 0x00 - off entirely? 0x64 - 100% aka 17,500 RPM

3700RPM:
 raw 0x30 0x30 0x02 0xff 0x0A
 
10000RPM:
 raw 0x30 0x30 0x02 0xff 0x35

Base seems to be about 3500RPM.
====== R710 ipmi fan control ======
query temps and speeds:
<code>ipmitool -I lanplus -H 172.16.0.91 -U root -P calvin sensor reading "Ambient Temp" "FAN 1 RPM" "FAN 2 RPM" "FAN 3 RPM" "FAN 4 RPM" "FAN 5 RPM"</code>

enable automatic fan control:
<code>ipmitool -I lanplus -H 172.16.0.91 -U root -P calvin raw 0x30 0x30 0x01 0x01</code>

disable automatic fan control:
<code>ipmitool -I lanplus -H 172.16.0.91 -U root -P calvin raw 0x30 0x30 0x01 0x00</code>

set fans to 2400RPM:
<code>ipmitool -I lanplus -H 172.16.0.91 -U root -P calvin raw 0x30 0x30 0x02 0xff 0x0A</code>

{{ :r710:fan_speeds.png?direct&900 |}}