The two disks this morning went much better. I tried using a heat gun on the outside of the hda and VERY gently freed the heads and got the spindle to turn. Then I pulled the top board and coaxed the spindle motor back up to speed. The root disk read without errors, usr has a consistent 28.
The same experiment didn't work on the usr disk from the first system though :-( At least now I have a good root image and probably usuable usr > On 10/20/16 2:05 AM, jim stephens wrote: >> I actually years ago unstuck drives by removing them, hooking them to cables >> long enough to allow me to have access to >> them external to the system with power, and just holding them in the air and >> giving them a sharp twist around the axis >> of the drive. That was enough to unstick most. >