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103 views

Connect a ssd externally such that hdparm is fully supported

I am just trying some hdparm magic with my new ssd (samsung 840 pro). However I don't want to change my drive over and over so it would be great if I could connect it externally to my laptop. I have ...
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0answers
190 views

How do hdparm's -S and -B options interact?

These two options seem confusing. For example: according to the man page -B 254 "does not permit spin-down". However, testing with -B 254 -S 1 the drive does spin down after 5 seconds. -B ...
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0answers
1k views

Why is “hdparm -w” considered dangerous?

I have an old disk that often gets stuck in some form of loop, and often I need to perform a full reboot to get it "unstuck", whereupon I had found out about the hdparm -w command. However, its ...