"Don't sleep" prevents HDD from going to sleep.
For watching movies, I have a laptop connected to my TV and the movies are stored on an external HDD. However, this HDD goes to sleep very quickly when not used. When I want to use it again, it requires several seconds to spin up. How to keep this HDD awake, i.e. how to prevent it from falling asleep?
The idea is very simple. Read from or write to this HDD every X seconds, thus it's used constantly and it cannot go to sleep mode.
This simple program does exactly this. It writes an empty file to the HDD every 5 minutes.
I measured my HDD and it shuts itself down in around 6 minutes and 20 seconds.
Modify the value of the constant fname. Specify the path
of the file that should be written to.
Then build the EXE with go build and launch the
program. It will print some log on the screen.
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The program could keep alive not only one but several HDDs.
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The program could have a graphical user interface.