My Fedora 21 workstation is contained in /dev/sda. I have a second disk /dev/sdb, which I mounted manually once to copy data.
I find my /dev/sdb is very hot, reporting 70C in Disks.
I checked: 1. Partitions in /dev/sdb are not mounted at all 2. Power Idle setting in /dev/sdb is 5 minutes
Still, the disk is very hot.
How can I further check? I want any idle disk to sleep.
You can stop the disk from spinning with sudo hdparm -y /dev/sdb. If the drive was spinning, you can hear it spinning down. Also, if it for some reason spins up again, you can hear it too.
It is also possible that despite the drive being powered down poor ventilation might get the disk too hot.
Asked: 2014-12-20 19:22:12 -0500
Seen: 256 times
Last updated: Dec 21 '14
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