On 05/31/2010 04:27 PM, Charles Curley wrote:
> Close. The sync is a good idea, though. I got smart on my googling and
> found what I was looking for. Should anyone else care:
> 
> http://www.charlescurley.com/blog/
> 
> or
> 
> http://www.charlescurley.com/blog/archives/2010/05/31/shutting_down_usb_drives/index.html

I think you are incorrect about your idea that there's an unsafe way to
unmount the disk.  Whenever you unmount a disk, before the command
returns, an implicit sync happens.  Once the umount command finishes,
it's safe to remove the drive, or power it off.  It simply doesn't
matter whether the drive has powered off or whether the /dev entries are
still there or not.  In short it probably doesn't matter how you do it.
 Gnome likely only gives you the options so you can keep the disk
plugged in without keeping it spinning the entire time.

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