Hardware
I've got another new PC for home purpose and decided to make a home server for my sysadmin and programming tasks. Also, my old PC is based on AMD 6-cores phenom and six cores is a good value for virtualization. Are you ready to have a cloud at home? Yes, I'm. I bought a special case (2U size with six places for hard drives. )
This case also has 3 80mm coolers and I hope this a good way to make cold system. Standart PC power supply is placed at a front side and the power cable is going from the front side to the back side.
My Chiftec power supply has a lot of cord and it is impossible to set up all 6 drives inside. It is no place for the power cord. At this moment I think that power supply with unattachable cord is a good choice. I spend one drive case for my cables. Another one issue is a noise of low-cost chinese coolers. They generate a good airstream but noise was unacceptable. I cut red wire and added a resistor (22 Omh) and 33 Omh to another one cooler.
Checking temperature.
For receiving temperature linux has sensors application. Installation procedure is a really simple in Debian :root@debianserver:/home/serg# aptitude search lm-sensors p lm-sensors - utilities to read temperature/voltage/fan sensors root@debianserver:/home/serg# aptitude install lm-sensors The following NEW packages will be installed: lm-sensors 0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 112 kB of archives. After unpacking 394 kB will be used. Get: 1 http://ftp.ua.debian.org/debian stretch/main amd64 lm-sensors amd64 1:3.4.0-4 [112 kB] Fetched 112 kB in 0s (300 kB/s) Selecting previously unselected package lm-sensors. (Reading database ... 40355 files and directories currently installed.) Preparing to unpack .../lm-sensors_1%3a3.4.0-4_amd64.deb ... Unpacking lm-sensors (1:3.4.0-4) ... Setting up lm-sensors (1:3.4.0-4) ... Created symlink /etc/systemd/system/multi-user.target.wants/lm-sensors.service → /lib/systemd/system/lm-sensors.service. Processing triggers for systemd (232-25+deb9u3) ... Processing triggers for man-db (2.7.6.1-2) ...
Checking temperature is easy too:
root@debianserver:/home/serg# sensors atk0110-acpi-0 Adapter: ACPI interface Vcore Voltage: +0.95 V (min = +0.80 V, max = +1.60 V) +3.3V Voltage: +3.36 V (min = +2.97 V, max = +3.63 V) +5V Voltage: +4.98 V (min = +4.50 V, max = +5.50 V) +12V Voltage: +11.98 V (min = +10.20 V, max = +13.80 V) CPU Fan Speed: 4090 RPM (min = 600 RPM, max = 7200 RPM) Chassis Fan Speed: 1985 RPM (min = 600 RPM, max = 7200 RPM) Power Fan Speed: 2766 RPM (min = 600 RPM, max = 7200 RPM) CPU Temperature: +41.0°C (high = +60.0°C, crit = +95.0°C) MB Temperature: +40.0°C (high = +45.0°C, crit = +75.0°C) fam15h_power-pci-00c4 Adapter: PCI adapter power1: 28.69 W (crit = 125.02 W) k10temp-pci-00c3 Adapter: PCI adapter temp1: +23.4°C (high = +70.0°C) (crit = +70.0°C, hyst = +67.0°C)
Power Fan has 33 Omh resisitor and speed 1985 RPM, Chassis Fan has 22 Omh resistor and speed 2766 RPM. At this moment I hear CPU fan only. I would like to speed down it by fancontrol. But at this moment I dont known temperatures of my hdd.
rroot@debianserver:/home/serg# aptitude search hddtemp p hddtemp - hard drive temperature monitoring utility root@debianserver:/home/serg# aptitude install hddtemp The following NEW packages will be installed: hddtemp 0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 57.8 kB of archives. After unpacking 184 kB will be used. Get: 1 http://ftp.ua.debian.org/debian stretch/main amd64 hddtemp amd64 0.3-beta15-52+b1 [57.8 kB] Fetched 57.8 kB in 0s (269 kB/s) Preconfiguring packages ... Selecting previously unselected package hddtemp. (Reading database ... 40391 files and directories currently installed.) Preparing to unpack .../hddtemp_0.3-beta15-52+b1_amd64.deb ... Unpacking hddtemp (0.3-beta15-52+b1) ... Setting up hddtemp (0.3-beta15-52+b1) ... Processing triggers for systemd (232-25+deb9u3) ... Processing triggers for man-db (2.7.6.1-2) ... root@debianserver:/home/serg# hddtemp /dev/sdb /dev/sdb: ST31000520AS: 36°C
Fancontrol
Fancontrol has ability check temperature , cooler's speed and make a simple managment using config file. Setting this up has three steps: selecting sensors, creating config file and power fancontrol on.
root@debianserver:/etc# sensors-detect # sensors-detect revision 6284 (2015-05-31 14:00:33 +0200) # Board: ASUSTeK Computer INC. M5A88-M EVO # Kernel: 4.9.0-6-amd64 x86_64 # Processor: AMD FX(tm)-6350 Six-Core Processor (21/2/0) This program will help you determine which kernel modules you need to load to use lm_sensors most effectively. It is generally safe and recommended to accept the default answers to all questions, unless you know what you're doing. Some south bridges, CPUs or memory controllers contain embedded sensors. Do you want to scan for them? This is totally safe. (YES/no): yes Module cpuid loaded successfully. Silicon Integrated Systems SIS5595... No VIA VT82C686 Integrated Sensors... No AMD Family 11h thermal sensors... No AMD Family 12h and 14h thermal sensors... No AMD Family 15h thermal sensors... Success! (driver `k10temp') AMD Family 16h thermal sensors... No AMD Family 15h power sensors... Success! (driver `fam15h_power') AMD Family 16h power sensors... No Found `ITE IT8721F/IT8758E Super IO Sensors' Success! (address 0x290, driver `it87') Probing for Super-I/O at 0x4e/0x4f Trying family `National Semiconductor/ITE'... No Trying family `SMSC'... No Trying family `VIA/Winbond/Nuvoton/Fintek'... No Trying family `ITE'... No Some systems (mainly servers) implement IPMI, a set of common interfaces through which system health data may be retrieved, amongst other things. We first try to get the information from SMBIOS. If we don't find it there, we have to read from arbitrary I/O ports to probe for such interfaces. This is normally safe. Do you want to scan for IPMI interfaces? (YES/no): yes Probing for `IPMI BMC KCS' at 0xca0... No Probing for `IPMI BMC SMIC' at 0xca8... No Some hardware monitoring chips are accessible through the ISA I/O ports. We have to write to arbitrary I/O ports to probe them. This is usually safe though. Yes, you do have ISA I/O ports even if you do not have any ISA slots! Do you want to scan the ISA I/O ports? (yes/NO): no Lastly, we can probe the I2C/SMBus adapters for connected hardware monitoring devices. This is the most risky part, and while it works reasonably well on most systems, it has been reported to cause trouble on some systems. Do you want to probe the I2C/SMBus adapters now? (YES/no): Using driver `i2c-piix4' for device 0000:00:14.0: ATI Technologies Inc SB600/SB700/SB800 SMBus Module i2c-dev loaded successfully. Now follows a summary of the probes I have just done. Just press ENTER to continue: Driver `k10temp' (autoloaded): * Chip `AMD Family 15h thermal sensors' (confidence: 9) Driver `fam15h_power' (autoloaded): * Chip `AMD Family 15h power sensors' (confidence: 9) Driver `it87': * ISA bus, address 0x290 Chip `ITE IT8721F/IT8758E Super IO Sensors' (confidence: 9) To load everything that is needed, add this to /etc/modules: #----cut here---- # Chip drivers it87 #----cut here---- If you have some drivers built into your kernel, the list above will contain too many modules. Skip the appropriate ones! Do you want to add these lines automatically to /etc/modules? (yes/NO) Unloading i2c-dev... OK Unloading cpuid... OK root@debianserver:/etc# sensors -s root@debianserver:/etc# pwmconfig # pwmconfig revision 6243 (2014-03-20) This program will search your sensors for pulse width modulation (pwm) controls, and test each one to see if it controls a fan on your motherboard. Note that many motherboards do not have pwm circuitry installed, even if your sensor chip supports pwm. We will attempt to briefly stop each fan using the pwm controls. The program will attempt to restore each fan to full speed after testing. However, it is ** very important ** that you physically verify that the fans have been to full speed after the program has completed. /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed
sensors are detected but pwmconfig reports error. Log above inform that it87 need to be added to modules. But direct module loading failed:
root@debianserver:/etc# modprobe it87 modprobe: ERROR: could not insert 'it87': Device or resource busy
updating /etc/default/grub by next string fixes this issue:
GRUB_CMDLINE_LINUX="acpi_enforce_resources=lax"
pwmconfig is working ok now:
root@debianserver:/home/serg# /usr/sbin/pwmconfig # pwmconfig revision 6243 (2014-03-20) This program will search your sensors for pulse width modulation (pwm) controls, and test each one to see if it controls a fan on your motherboard. Note that many motherboards do not have pwm circuitry installed, even if your sensor chip supports pwm. We will attempt to briefly stop each fan using the pwm controls. The program will attempt to restore each fan to full speed after testing. However, it is ** very important ** that you physically verify that the fans have been to full speed after the program has completed. Found the following devices: hwmon0 is it8721 hwmon1 is fam15h_power hwmon2 is k10temp Found the following PWM controls: hwmon0/pwm1 current value: 12 hwmon0/pwm1 is currently setup for automatic speed control. In general, automatic mode is preferred over manual mode, as it is more efficient and it reacts faster. Are you sure that you want to setup this output for manual control? (n) hwmon0/pwm2 current value: 106 hwmon0/pwm2 is currently setup for automatic speed control. In general, automatic mode is preferred over manual mode, as it is more efficient and it reacts faster. Are you sure that you want to setup this output for manual control? (n) There are no usable PWM outputs.
Turning on fancontrol and checking result
Result of the previous steps is creating /etc/fancontrol config file . Now we can turn on fancontrol and check temperature and cooler's speed.root@debianserver:/home/serg# sensors | egrep "(RPM|temp)" k10temp-pci-00c3 temp1: +24.4°C (high = +70.0°C) fan1: 6750 RPM (min = 11 RPM) fan2: 2721 RPM (min = 50 RPM) fan3: 2860 RPM (min = 11 RPM) temp1: +42.0°C (low = +87.0°C, high = +23.0°C) ALARM sensor = thermistor temp2: +40.0°C (low = +90.0°C, high = +52.0°C) sensor = thermistor temp3: -128.0°C (low = +115.0°C, high = +42.0°C) sensor = disabled root@debianserver:/home/serg# service fancontrol start root@debianserver:/home/serg# root@debianserver:/home/serg# root@debianserver:/home/serg# sensors | egrep "(RPM|temp)" k10temp-pci-00c3 temp1: +24.4°C (high = +70.0°C) fan1: 1132 RPM (min = 11 RPM) fan2: 2027 RPM (min = 50 RPM) fan3: 2777 RPM (min = 11 RPM) temp1: +42.0°C (low = +87.0°C, high = +23.0°C) ALARM sensor = thermistor temp2: +39.0°C (low = +90.0°C, high = +52.0°C) sensor = thermistor temp3: -128.0°C (low = +115.0°C, high = +42.0°C) sensor = disabled root@debianserver:/home/serg# sensors | egrep "(RPM|temp)"
Not bad for 2 hours work!
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