A disk drive is disclosed comprising {HEAD ~ a head} actuated over {TAIL ~ a disk}, and control circuitry including a shock detector 
actuated over
A disk drive is disclosed comprising { HEAD ~ a head } actuated over { TAIL ~ a disk } , and control circuitry including a shock detector
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH