On Thu, May 14, 2015 at 11:32:12AM -0400, Ravi Krishna wrote:
> Aha that pretty much explains it. Yes we are using streaming replication.
>
> However our DB2 folks are raising a concern that PG WAL writes may not be crash
> safe, unless we are using write back technology in SAN or SSD , which we are
> using.
We write WAL to the kernel, then issue fsync.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +