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Tim Connors 2024-11-15 14:11:18 +11:00
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# fan speed controller for dell R710, R520, R730xd etc
Dells don't like having third party cards installed, and defaults to
ramping up the fan speed to "jetliner taking off" mode when third
party cards or non-Dell disks are added in. But you can override
this, servoing the fans to follow the temperature demand of the
various components (disks via hddtemp, CPUs and GPUs via sensors,
ambient temperature via ipmitool).
ramping up the fan speed to "jetliner taking off" mode when some third
party cards or non-Dell disks are added in. You can override this in
the BIOS with various settings, and iDrac8 is better than it used to
be. But for more flexibility or if you've added a particularly hot
10gbe card and want to cool it more effectively, you can override all
of this with this repo. Here, we servo the fans to follow the
temperature demand of the various components (disks via hddtemp, CPUs
and GPUs via sensors, ambient temperature via ipmitool). Tuning is
alas done entirely by you modifying variable of devices to monitor in
code, alas.
This repo is forked from NoLooseEnds/Scripts, which contained
R710-IPMI-TEMP. I have extended it to work on both my R520 and R730xd (unchanged despite hardware raid card, GPU etc), being a bit
smarter regarding the CPU and HDD temps instead of just caring about
the ambient temperature. It uses ipmi raw commands that seem to be
similar across a wide range of dell server generations (google
R710-IPMI-TEMP. I have extended it to work on both my R520 and R730xd
(unchanged on the latter despite hardware raid card, GPU etc), being a
bit smarter regarding the CPU and HDD temps instead of just caring
about the ambient temperature. It uses ipmi raw commands that seem to
be similar across a wide range of dell server generations (google
searches for `ipmitool raw 0x30 0x30 0x01 0x00` show it works for
R710, R730, R730xd, T130, and I run this on my R520.
R710, R730, R730xd, T130, and I run this on my R520 and R730xd).
It's got a signal handler so it defaults to default behaviour when
killed by SIGINT/SIGTERM/other bugs.