Disable hard drive head after Ubuntu Shutdown

Source: Internet
Author: User
When I shut down my Ubuntu instance, the hard disk was "squeaking" (it seems that the boot time was too long) just like pulling out the power under Win and force shutdown the sound, the sound is almost the same as that in the kind care of xonix, the problem is solved. This should be the sound of Hard Disk Head reset, which can eliminate sudogedit/etc/init. d/halt find sleep1 and change it to sleep20, which means that after the halt completes, sleep for 20 seconds and then power off the hard disk,

When I shut down my Ubuntu instance, the hard disk was "squeaking" (it seems that the boot time was too long)

Just like pulling out the power under Win, force shutdown, sound like

It's just that the voice is smaller than that.

Under the cordial care of xonix Daniel, the problem was solved.

This should be the sound of Hard Disk Head reset.

This can be eliminated

Sudo gedit/etc/init. d/halt

Locate sleep 1 line

Change it to sleep 20

That is, let the halt wait for 20 seconds and then cut off the power of the hard disk, that is, to restore the head to normal time, after the head is restored, the power failure will not have this sound.

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