1.9.2.7-9 wow, talk about old
It's oleg, from 2008. You should use the old script for this firmware: http://wl500g.info/showthread.php?78...7135#post47135

Nowadays firmware has moved on to googlecode: https://code.google.com/p/wl500g/


Maybe it did spin up straight away indeed. Could be swap, or programs running on the background.
Note that just spinning of a drive is not that bad. Most drives have excellent ball bearings, they hardly wear. Usually they easily outlive the other components of the drive