cpu/memory use

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Hi, i wass thinking about cpu/memory use
i have a dual (three four) cpu
could i make linux to only use cpu1 for raid? and others to anythink
else, don´t migrate raid between cpus... and don´t allow others
programs to use raid cpu...
is it possible?
is it dificult?
it´s more linux related feature, not raid related, but could we implement it?
what about memory usage? how many memory software raid use? is it per
device, per raid, does it have a hard limit (offcourse)? could we
calculate it? for example i want raid1 with two disks of 1tb, how many
memory should i buy?

-- 
Roberto Spadim
Spadim Technology / SPAEmpresarial
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