Hi,
 
I'm writing a password protetction app. It uses the ata security commands. On 
plugin of the usb mass storage hdd, the hdd is locked and contains no 
partition/no data at all. After sending the correct password, the partition can 
be read.
 
However, the diskarbitration doesn't notice this. diskutil unmount/mount does 
not help.
 
- How can I force a partition table re-read?or- How can I force diskarbitration 
to probe the hdd again?or- How can I simulate a usb unplug/plugin?or- Something 
else to notify diskarbitration/finder to mount the hdd?
 
Steffen
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