On Fri, Mar 13, 2009 at 1:09 PM, Christophe <xof@xxxxxxxxxxxx> wrote: > > On Mar 13, 2009, at 11:59 AM, Joshua D. Drake wrote: >> >> Wait, actually a good BBU RAID controller will disable the cache on the >> drives. So everything that is cached is already on the controller vs. >> the drives itself. >> >> Or am I missing something? > > Maybe I'm missing something, but a BBU controller moves the "safe point" > from the platters to the controller, but it doesn't move it all the way into > the OS. > > So, if the software calls fsync, but fsync doesn't actually push the data to > the controller, you are still at risk... right? Ding! -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
