Ravi Krishna <s.ravikrishna@aim.com> writes:
> However our DB2 folks are raising a concern that PG WAL writes may not be crash safe, unless we are using write back
technologyin SAN or SSD , which we are using.
What's your point exactly? If the underlying hardware does not provide
durable writes, there's nothing PG (or DB2) can do to fix that.
regards, tom lane