> Ben's /dev/md0/<living_horror> is ugly - it's open just for side effects,
> with no IO supposed to happen.
Now that I'm awake and refreshed, yeah, that's awful. But
echo "hot-add,slot=5,device=/dev/sda" >/dev/md0/control *is* sane. Heck,
the system can even send back result codes that way.
-ben
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