Re: Weird disk idling

[Alexander Holler]

Am 26.05.2013 07:29, schrieb Fredrik Tolf:

> I'm sure you all know what the various fields are (except the first,

Hmm, I had to look at Documentation/block/stat.txt.

> which is just a timestamp), so as you can see, there are 135 requests in
> the queue, but no reads or writes happen, in this case, for at least 800
> ms.
> 
> Is this behavior normal and expected, or is there something wrong here?
> In the latter case, is it my hardware that is failing somehow, or can
> there be some software weirdness that can be tweaked away or bugfixed?

I would say thats how caches do work. You might have a look at

sysctl vm

which shows a lot of the knobs you can turn to change some of the
aspects you see.

Regards,

Alexander Holler
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