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Old 27th November 2010
ocicat ocicat is offline
Join Date: Apr 2008
Posts: 3,295

Originally Posted by guitarscn View Post
# newfs sd1a
Device busy
Is the drive still mounted? If sd1a is still in the output of df(1) before issuing the newfs(8) command, this would explain the "device busy" message. newfs(8) will neither work, nor should it, on drives which are already mounted.
When I unplug it and re-plug it back into the USB port, it no longer sees the drive.
Again, is the drive still mounted? Check the output of df(1).

Although USB devices can be attached & reattached at will, storage devices still have to be manually mounted/unmounted unless you have set up amd(8). Given the direction of discussion, I tend to doubt you have this in place.
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