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Operating Systems AIX IBM P730 running AIX 7.1 (8231-E2B) - Fans spinning loud/max rpm? Post 303025357 by bakunin on Wednesday 31st of October 2018 12:04:27 PM
Old 10-31-2018
Quote:
Originally Posted by c3rb3rus
Is there a way from the OS to control the fan speed? There is no LPARs on AIX, we run the OS on bare metal - no virtualization of any kind.
None that i would know of. As far as i know the fans are controlled by thermo-sensors which kick them up when the system gets (too) hot and slower them once the temperature lowers.

Quote:
Originally Posted by c3rb3rus
I also tried the "diag" command in AIX and didn't find any issues.
You might try connecting to the service processor port and look at the ASMI. In case the system is not connected to a HMC: you need a web browser on the system you connect with and a crossover network cable to connect your system to it (i use a small netbook with Linux for such purposes). You have to configure an IP address out of the address range the interface is configured with (defaults are 169.254.2.147, 169.254.3.147, 169.254.2.146 and 169.254.3.146, see the IBM documentation.

You will find something in the logs there, even when the orange LED has been cleared - if there was anything, to begin with. To me it sounds like one of these thermo-sensors might be broken/somehow dysfunctional, in this case only the hardware support can help. (You *do* have a hardware support contract, don't you?)

I hope this helps.

bakunin
 

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lockward(6x)							XScreenSaver manual						      lockward(6x)

NAME
lockward - Rotating spinning color-cycling things SYNOPSIS
lockward [-display displayspec] [-root] [-window] [-visual arg] [-window-id arg] [-delay usec] [-pair] [-fps] [-blink | -no-blink] [-rotateidle-min msec] [-rotateidle-max msec] [-blinkidle-min msec] [-blinkidle-max msec] [-blinkdwell-min msec] [-blinkdwell-max msec] DESCRIPTION
lockward draws a spinning, rotating set of notched wheels overlaid with some flashing effects, using OpenGL. It's a sort of cross between the wards in a combination lock and those old information displays that animated via polarized light. OPTIONS
-visual visual Specify which visual to use. Legal values are the name of a visual class, or the ID number (decimal or hex) of a specific visual. -window Draw on a newly-created window (default). -root Draw on the root window. -delay microseconds Per-frame delay, in microseconds. Default: 20000 (50 frames/sec). -blink | -no-blink Enables/disables the blinking effects. Default: Enabled. -fps Display the current frame rate, CPU load, and polygon count. -rotateidle-min milliseconds -rotateidle-max milliseconds The minimum and maximum time each spinner will sit idle, in milliseconds. Defaults: Min 1000, max 6000. -blinkidle-min milliseconds -blinkidle-max milliseconds The minimum and maximum time between blinking effects, in milliseconds. Defaults: Min 1000, max 9000. -blinkdwell-min milliseconds -blinkdwell-max milliseconds The minimum and maximum dwell time for the blinking effects, in milliseconds. This affects how quickly the blinks actually happen. Defaults: Min 100, max 600. ENVIRONMENT
DISPLAY Default host and display number. XENVIRONMENT Name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property. SEE ALSO
X(1), xscreensaver(1) AUTHORS
Leo L. Schwab <ewhac@best.com> X Version 11 5.15 (28-Sep-2011) lockward(6x)
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