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On 1/24/2014 12:13 AM, Stan Hoeppner wrote:

The initial resync is read-only.  It won't modify anything unless 
there's a discrepancy.  So the stripe cache isn't in play.  The
larger stripe cache should indeed increase rebuild rate though.

What?  That makes no sense.  It doesn't really take any longer to
write the parity than to read it, and the odds are pretty good that it
is going to need to write it anyhow, so doing a read first would waste
a *lot* of time.  I think you are thinking of when you manually issue
a check_repair on the array after it is fully initialized.


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