Re: [squid-users] Re: Adding Another HardDisk and the read_only option

Well any algorithms could help this case correct?

If you put another disc, I must choice the same size, correct?

On Sat, Oct 4, 2008 at 7:49 PM, RW <fbsd06_at_mlists.homeunix.com> wrote:
> On Thu, 2 Oct 2008 12:09:09 +0300
> "Mr. Issa\(*\)" <xnixguy_at_gmail.com> wrote:
>
>> Hello mates,
>>
>> Well i have added to separate hard disks (200GB hd and 500GB hd) and
>> added them in the cache_dir but i noticed that squid Uses the hardisk
>> with MORE disk space and leaves the second one epmty... why?
>
> There are two store_dir_select_algorithm settings: round-robin and the
> default least-load. The latter is supposed to select the cache with
> the least-load, but on relatively lightly-loaded systems it picks the
> one with the most free-space, so you expect the 500GB drive to fill-up
> to 300GB or so before the smaller starts getting any.
>
> My memory is a little vague here, but my recollection is that neither
> algorithm works optimally when the caches are of different sizes.
> I think Round-robin puts equal amounts in all caches, without
> weighting them; least-load always favours the larger cache
> because the low-water mark gives it more free space.
>
> If you want to tweak it once all the caches have filled, you can play
> around with the min and max object size for each cache to balance them
> out.
>
>
>

-- 
Rafael Gomes
Consultor em TI
Embaixador Fedora
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