Hi, I have a few questions about external drives :
----------USB flashdisk/memorystick
lets start with a simple USB flashdisk : the displayed space is not right
-When you have a 250 mb USB flashdisk, and delete 50 mb into the trashcan. The drive displays 200 mb left on that computer.The trashcan shows full in your dock.
now stick the same USB disk into another mac. The drive displays 200 free, but OSX's trashcan is empty. You cannot see or delete the files inside the trashcan on another mac.
You need an app like cocktail or invisibles that will display the deleted files on that other mac. Or if you want all space back, deleting is not enough, you will need to format the disk.
I am sure a lot of people walk around with invisible deleted files on their sticks !
Now another example, say I use an 8 Gb memorystick, and put it into an old iMac that has 4 Gb of harddiskspace left. What happens when I insert the memorystick after I deleted 6 Gb of it on another mac?
----------external firewire disk
I have multiple external Fw400 harddisks, when I don't use them I eject them from the finder.
They should have no activity after that, but when I use the Software Update, they become very active again, even though they don't show up on the desktop, I can't eject them twice.
Is there a trick to make them visible again without restarting the computer of playing with the firewirecable?
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