[LUNI] Does sync after umount do any good?

[Seva Epsteyn]

> > Even though I'm running ext3, I have a cron job that runs sync every 
> > five minutes.  Just because I'm paranoid doesn't mean they're not out to 
> > get me.  And there's no performance impact whatsoever as far as I can tell.

This seems entirely unnecessary, take a look at the bdflush man page, it's 
already running on your system.  And yes, there is a performance hit.

This whole thread is kind of odd, if the data is that important and you are 
not worried about performance, just mount the filesystem -o sync.

/Seva