On Sat, Feb 11, 2012 at 5:36 PM, Nico Kadel-Garcia <nka...@gmail.com> wrote:
> I would be *extremely* leery of this kind of multiple simultaneous > write access to a shared resource. Even with a SAN, filesystem changes > on one system are vulnerable to phase delays or interruptions, and > there have been way, way, way too many systems that worked very well > this way until stressed and corrupted the heck out of what were > supposed to be atomic corruptions. The ability of filesystem authors > to change specs and practics and update parameters, and create really > startling changes in systems that used to work well, is amazing. By the way: I'm not making this claim based on reading the Subversion handling of atomic operations, but rather on several decades of experience of exciting surprises in filesystem adventures.
