On Tue, Nov 10, 2009 at 5:25 PM, Bob Beck <b...@openbsd.org> wrote: > 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. B 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. B 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.
On a positive note, when a RAID control bug corrupts data, the corruption is much more efficient than it would have been without RAID. Brad
