Interesting drive failure...

[John Foust]

At 01:09 AM 4/23/2015, Josh Dersch wrote:
>According to the service manual one of the surfaces contains servo tracks used to position the heads, and all alignment is based on these tracks.  If some of the heads are now out of alignment with those tracks I don't think there's anything to be done about it 

The other danger would be that if the heads drifted out of 
alignment when the drive was in use. realigning the heads to
the original servo track might put them out of alignment with
where the last data was written.

- John