Re: [PATCH 03/18] md: occasionally checkpoint drive recovery to reduce duplicate effort after a crash

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..
> Since the object of this code is to save time on shutdown and restart, 16
> has little relation to time. I would think that having this update on a time
> basis would more reasonably reflect this. I would like to see a fairly short
> time, say ten minutes, since the cost of a save is low, and ten minutes
> seems like a reasonable lower bound on "worth effort to save" recovery.
>
> As arrays get larger even a 16th of the recovery time can be a pretty long
> time, particularly if the min recovery speed is set fairly low to avoid
> impact on a production server.

I agree. This seems pretty reasonable. How can on protect against time
changes (like my clock just got reset back 21000 seconds type of
problem).

-- 
Jon
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