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Old 11-02-2004, 09:47 PM   #1
Registered: Sep 2004
Distribution: SuSE 10
Posts: 32

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Hard Disk not spinning down (is that bad?)

Under Windows 95, it goes down when i tell it to (2 mins of inactive) and stays down until i save whatever I am working on. Under linux, if it goes down at all, it spins back up again immediately. I am guessing that it has something to do with the swap partition?

I understand its not good to have it running constantly, but its not good either to spin it up/down constantly. What is best way to conserve the life of the disk?
I am running SuSE 8, and the disk is 6 years old.
Old 11-03-2004, 01:50 AM   #2
Registered: Jul 2004
Location: The Netherlands
Distribution: Mandrake, Knoppix, Coyote Linux, RedHat
Posts: 354
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Personally I think the good or bad of a spinning harddrive is debatable. I have two machines here at home that run 24/7, and at least the primary drives are spinning most of the time. No faillures yet.
Some say constant spinning cuts out the stress of a drive having to spin up/down every so often, putting strain on the electronics.
And then some say that keeping the drive silent as much as possible will do that too.
Me, I don't know. I just let them do their thing.

If you find you have increased swapping on your machine, maybe it's time to add some RAM to help it run better.
Old 11-06-2004, 12:15 AM   #3
LQ Guru
Registered: Jun 2001
Location: South Alabama
Distribution: Fedora / RedHat / SuSE
Posts: 7,163

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You can test your theory buy running this command..

swapoff -a

test first to see if you can do without it.


total used free shared buffers cached
Mem: 513880 381236 132644 0 39388 95168
-/+ buffers/cache: 246680 267200
Swap: 506036 0 506036

and turn it back on with this..

swapon -a


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