Re: [ADMIN] Raw devices vs. Filesystems

On Wed, Apr 07, 2004 at 09:09:16AM -0700, Josh Berkus wrote:

> If your intention in this test is to show the superiority of raw devices, let
> me give you a reality check: barring some major corporate backing getting
> involved, we can't possibly implement our own PG-FS for database support.  We
> already have a TODO list which is far too long for our developer pool, and
> implementing a custom FS either takes a large team (OCFS) or several years of
> development (Reiser).

Is there any documentation as to what guarantees PostgreSQL requires
from the filesystem, or what posix semantics can be relaxed?

Cheers,
  Steve