On Tue, Jul 7, 2009 at 3:24 PM, nate<centos at linuxpowered.net> wrote: > > You can if you want also run the 'sync' command to flush out the > write cache of the system. > > I do that myself before I remove any type of disk that I have > written to, mainly out of habit, it's not a bad habit to > have. > > I believe once a file system is unmounted all of the writes > have been flushed to it. You can see the change in behavior: > > - write a bunch of data to a disk, run sync, then unmount, > it should unmount immediately > - write a bunch of data to a disk, then unmount, it may take > a few seconds(or more) to unmount. > > Not sure why those popups aren't showing up on a consistent > basis, I don't use CentOS as a desktop, my Debian desktops > don't show any messages I don't think, though Ubuntu seems > to. Even better. I'm definitely going to use 'sync' when I unmount a removable drive. Thanks. -- RonB -- Using CentOS 5.3