Marble drop

I must admit, I was somewhat confused by the “flick of the hard drive” (WDC WD1200BEVS-75RST0) on my Dell Inspiron. I use Ubuntu Linux and remember the hype around the power saving system that was supposed to "kill" the hard drives of our computers. At that time, they proved that this is nothing more than stupidity, that everything will be corrected and, in general, you should not worry about this. A recent article made me once again observe the HDD more closely and experiment with the APM (advanced power management) settings and the noise / performance ratio. Indeed, it turned out that strange sounds are caused by parking the disc heads.



Teams



sudo hdparm -M 254 /dev/sda

sudo hdparm -B 255 /dev/sda



solved the problem!

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However, after the reboot, I began to hear characteristic clicks again. It turned out that the value of the '-B' parameter (APM settings) is not saved. For Ubuntu Linux, the solution to this turned out to be editing /etc/hdparm.conf (uncommenting the 41st term received the entry 'apm = 255').



If after these manipulations the system does not boot, you should try in grub to give a parameter to the kernel 'nohdparm'.



Additional useful information can be found on the Ubuntu Forums .