On Friday 20 April 2007, Robin Laing wrote: > Michael Klinosky wrote: > > Mikkel: > >> A couple of questions - are you unmounting the drive before > >> unplugging it? > > > > No. I considered doing that, but then thought, 'USB is hot-pluggable, so > > that should be auto-magic.' > > > > But, seems like it's not (hence the vestige device). > > The problem with just removing a USB device is "time" to clear the > cache. I have ran into an issue with FC4 and it removing the icon for > the device before all the writes were complete. I trashed the file > system. I reported it and there was a fix that showed a pop-up when the > device was safe to be removed. > > If your USB device has a light on it, try this test. Copy a large file > to the device and watch the light to see how long before it starts the > write and how long it takes for the write to complete. > > Even Windows requires you to umnount USB drives so the cache can also be > cleared. > If you use gkrellm you may find it useful to add sda or whatever it sees to its display. I do that for my removable hard drive, which allows me to see when all activity has stopped. A couple of seconds of silence on the display means it has definitely flushed the cache :-) Anne
