"Roeland M.J. Meyer" wrote:

> But that is not the ONLY underscore;
> Please note the name "read_ahead".

So grep for an underscore with a [ or a U in front of it:
grep '[\[U]_' /proc/mdstat

--
Mike Marion -  Unix SysAdmin/Engineer, Qualcomm Inc.
There's even a parody for people opposed to hunting: Deer Avenger.  In it,
bazooka-toting deer lure potbellied hunters to their death with such "genuine
hunter calls" as a feminine cry of "Help, I'm naked, and I have a pizza." ->
Joshua Quittner, in an article on the Hunting computer game craze in the 12/7/98
issue of Time

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