BeagleBone won't put HDD to sleep

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1

I am running the latest Ubuntu (2015-02-19) from Robert Nelson. I have a Seagate Expansion 4TB external HDD connected through an unpowered USB hub. Everything seems to work fine, except for the fact that the HDD never sleeps. This is for a backup, so I just want it to run when the backup process is running. Instead, it runs all the time.

Any idea how to get it to properly sleep?

Thanks.

2

Have you tried anything outside of just using the hard drive with the aforementioned ubuntu image ?

http://askubuntu.com/questions/137577/put-hdds-in-standby-after-x-minutes-using-hdparm-doesnt-work

Of course the BBB does not exactly have a BIOS, but perhaps some of the other mentioned “fixes” may work ?