[Bug 59695] Re: High frequency of load/unload cycles on some hard disks may shorten lifetime

Hanno Stock (hefe_bia) hanno.stock at gmx.net
Sun Dec 28 22:23:32 UTC 2008


Does this actually have to do with Ubuntu accessing the disk for
*read/write* or may this be related to some other kind of polling?
(Temperature, etc.)

I ran iotop on my laptop in AC mode with hdparm -B 199. While iotop
showed no disk activity at all, frequent load/unload cycles occured.

I also noticed that running smartctl -a when the heads are parked the
heads are unparked immediately. Can I somehow monitor hard disk activity
besides read/write activity? (For example SMART polling, etc.)

-- 
High frequency of load/unload cycles on some hard disks may shorten lifetime
https://bugs.launchpad.net/bugs/59695
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