From: "RP Smith" <rpsmith at hotmail dot com>

> Are you sure the log size matters?  I had mine set to "999" and for a test 
> changed it to "50" and rebooted but the free space of "/dev/md0c" stayed 
> the same.

Set the logs to 500.  Let it run for a while. (A few days) Look at md0c. 
Set it back to 50 and look again without a reboot.  A reboot sets it to 0, 
because the logs are empty...  Just setting it high will do nothing until it 
fills.

                                Lee