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Forum Discussion
Fan control on RN314
Hi All,
Not sure if this is the right forum to post in.
Having recently populate my 314 with disks, without activity i'm seeing temps approaching 50c.
I tried a fan control script for the 104 but that obviously didn't work. Wondering if anyone else is interested in getting this to work?
viewtopic.php?f=11&t=76184
Not sure if this is the right forum to post in.
Having recently populate my 314 with disks, without activity i'm seeing temps approaching 50c.
I tried a fan control script for the 104 but that obviously didn't work. Wondering if anyone else is interested in getting this to work?
viewtopic.php?f=11&t=76184
errors in log
Automatically controlling fan speed...
cat: /sys/devices/platform/mv64xxx_i2c.0/i2c-0/0-003e/pwm1: No such file or directory
cat: /sys/devices/platform/mv64xxx_i2c.0/i2c-0/0-003e/fan1_input: No such file or directory
cat: /sys/devices/platform/axp-temp.0/temp1_input: No such file or directory
Temp: C FAN: 50% [ RPM] []
expr: syntax error
expr: syntax error
expr: syntax error
/root/fanoveride: line 21: [: -lt: unary operator expected
/root/fanoveride: line 24: [: -gt: unary operator expected
expr: syntax error
expr: syntax error
6 Replies
Replies have been turned off for this discussion
- Is this the one metioned on the beta release?
5. [Beta 1] Revert higher fan RPMs with Seagate disks.
viewtopic.php?f=154&t=78866 - No, this is a home baked script from the forums:
http://www.readynas.com/forum/viewtopic.php?f=11&t=76184
It's promising that someone is looking a the fan speed control in the official software but my disks are not seagate so i'm not sure if this will help.
My disks are currently running up to 50c at idle *with* the assistance of a desk fan in front of the unit so that's why i'm looking for solutions.
So far i've updated this script to reference the new directories and file names for the 314.
I think the last sticking point is that for some reason the CPU temp is reported multiplied by 1000 i.e. 50c is reported as 50000root@AK-NAS:/sys/devices/platform/coretemp.0# ls
driver name temp2_crit temp2_label temp3_input
hwmon power temp2_crit_alarm temp3_crit temp3_label
modalias subsystem temp2_input temp3_crit_alarm uevent
root@AK-NAS:/sys/devices/platform/coretemp.0# cat temp3_input
50000
so i guess some arithmatic needs to be done to get the right value here:## Functions ##
function getReadings {
FANPWM=$(cat $FANPWMPATH)
FANSPEED=$(cat $FANSPEEDPATH)
CORETEMP=$(cat $CORETEMPPATH) - 50c temps are fine. The fan will speed up when it needs to.
The change Nhellie referred to would relate to the fans spinning up unnecessarily for SeaGate disks which have a higher operating temperature than some other disks. - WD states a maximum operating temp of 55c for my drive models. 50c is getting a little close for comfort wouldn't you say?
mdgm wrote: 50c temps are fine. The fan will speed up when it needs to.
This data (page 10) disagrees:
http://www.cs.virginia.edu/~gurumurthi/ ... mtos13.pdf
It's newer than the much discussed google study too.- The fan will speed up if and when it needs to.
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