From: Miklos S. <mi...@sz...> - 2008-07-23 19:41:10
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On Wed, 23 Jul 2008, Allen Pulsifer wrote: > Since I've been following this thread.... > > I would note that http://linux.die.net/man/8/umount says "-f Force unmount > (in case of an unreachable NFS system)." http://linux.die.net/man/2/umount "MNT_FORCE (since Linux 2.1.116) Force unmount even if busy. (Only for NFS mounts.)" ^^^^ Ha! They seem to agree about the NFS only thing though. > I'm not worried about this specific case (attempting to umount the root file > system when it is still in use). My concern is that the umount -f that > Debian etc. are doing on shutdown might bypass normal file system shutdown > even if the file system is not hung. If so, that could be a problem for > many file systems. It might be better to do a clean shutdown if possible > even when -f is specified, and force a disconnect only if the file system > process is still responsive. ITYM unresponsive. Yes, something like that. Using 'umount -f' indiscriminately like that seems rather stupid. Miklos |