2009/11/10 Jussi Peltola <pe...@pelzi.net>: > On Tue, Nov 10, 2009 at 11:18:57AM -0700, Theo de Raadt wrote: >> If you want to never lose data, you have an option. Make the filesystem >> syncronous, using the -o sync option. >> >> If you can't accept the performance hit from that, then please accept >> that all the work done over the ages is only on ensuring metadata-safety >> for a low performance penalty. It has never been about trying to >> promise file data consistancy when that could only be achieved by >> syncronous file data writing. > > And the more or less correct solution to improve the performance is > battery backed RAID write cache, but it's no silver bullet. > >
.... Other than it will still blow goats because it will be bashing all that data synchronously over the bus. The best silver bullets are the bullets that just shoot the users that care either about this, and/or performance. Once you shoot enough of them performance improves to an acceptable level.
