Mark Lewis <mark.lewis@xxxxxxxx> writes: > On Wed, 2006-06-14 at 14:48 -0700, Dan Gorman wrote: > > > > However, if I have it attached to a NetApp that ensures data writes > > to via the NVRAM can I safely turn fsync off to gain additional > > performance? > > No. You need fsync on in order to force the data to get TO the NetApp > at the right time. With fsync off, the data gets cached in the > operating system. In fact the benefit of the NVRAM is precisely that it makes sure you *don't* have any reason to turn fsync off. It should make the fsync essentially free. -- greg