Dean Anderson <[EMAIL PROTECTED]> writes:
> Instead, its difficult (or impossible) to get it perfectly right on an
> active filesystem without somehow quiesing the filesystem and of course
> the applications using the filesystem. An unmount requires all open
> files to be closed, first; And no files can be opened once unmounted.
Ted Tso's post on LKML a few days ago was vaguely about this. As
far as the filesystem metadata is concerned (as opposed to file
contents for a live database, that's your problem) if you take a
non-quiescent snapshot of ext?fs, and it fscks without complaint, you
got a good snapshot. People are apparently using this technique to
safely skip the forced periodic fsck on journeled ext?fs.
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