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Umounted SATA disk is HOT

asked 2014-12-20 19:22:12 -0500

Sampson gravatar image

updated 2014-12-21 07:06:47 -0500

mether gravatar image

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.

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answered 2014-12-21 05:13:49 -0500

jmt gravatar image

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.

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Hi jmt,

To manual shut down /dev/sdb did lower its temperature.

I also want to know why the timeout of 5 minutes in gnomes Disks is not work.

Thank you!

Sampson gravatar imageSampson ( 2014-12-23 06:12:01 -0500 )edit

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Asked: 2014-12-20 19:22:12 -0500

Seen: 262 times

Last updated: Dec 21 '14