Abnormal disk access
Patrick Dupre
pd520 at york.ac.uk
Fri Jul 31 18:56:12 UTC 2009
Thank,
Then, it is kswap0 which takes 100%, 0.00% read, 0.00% write
Why that ?
However, firefox may interferes !
> On Fri, 31 Jul 2009 19:12:48 +0100 (BST)
> Patrick Dupre <pd520 at york.ac.uk> wrote:
>
>> Hello,
>>
>> Since I installed fedora 11 x86_64, I do periodically (every 15-20 mn)
>> disque access even when the machine is at rest. It does not appear
>> that the machine should swap (the memory is not full at all).
>> The major incovenient is that it also froze the machine without
>> clear increase of the CPU (again the machine is at rest).
>> I do not see what could cause this. I never appear on the
>> same machine before in i686 (I just set a brand new disk).
>>
>> What could cause this problem ?
>>
>
> On my system the two processes that cause similar symptoms are updatedb
> and prelink. Both are accessing the hard drive as part of their
> regular processing. It could also be other jobs run by cron running in
> the background.
>
> top will show running jobs, and iotop will show disk access.
>
>
--
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Patrick DUPRÉ | |
Department of Chemistry | | Phone: (44)-(0)-1904-434384
The University of York | | Fax: (44)-(0)-1904-432516
Heslington | |
York YO10 5DD United Kingdom | | email: pd520 at york.ac.uk
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