In the way that you have no idea whether fsync actually writes the data to disk,... | Hacker News

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		_3u10 on Nov 17, 2011 \| parent \| context \| favorite \| on: Why Stack Exchange Isn’t in the Cloud In the way that you have no idea whether fsync actually writes the data to disk, or whether it puts it in memory somewhere (usually a write cache).

jrmg on Nov 18, 2011 [–]

Most modern hard drives don't actually do what most people expect an fsync does anyway. This is an interesting thread about Apple's F_FULLFSYNC ioctl that discusses the problem (this pat is by Apple FS engineer Dominic Giampaolo): http://lists.apple.com/archives/darwin-dev/2005/Feb/msg00072...

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