Up until very recently (2-3 years ago) there was very little discussion of how to do consistent disk I/O properly, so it doesn't surprise me at all that many ap

Up until very recently (2-3 years ago) there was very little discussion of how to do consistent disk I/O properly, so it doesn't surprise me at all that many applications don't actually work. Combine this with I/O error handling often being broken (in kernels, file systems, applications) and applications that are supposed to implement transaction-semantics can easily turn into "he's dead jim" at the first issue.