On Fri, Aug 2, 2013 at 12:51 AM, Klaus Ita <kl...@worstofall.com> wrote: > Isn't it a funny coincidence, that we also had a corruption of that > same/similar type? > > my disk was quite confidently not tampered. I am wondering: Does PG sign, or > checksum wal_files? Is the integrity of wal_files ensured by any mechanism? > Because if it IS, then - in our case - it's a corruption caused BY the > postgres master server. I can replay the wal's and re-create the same error > over and over.
Corruption can hitch a ride on a WAL full page image without much difficulty, as long as the page header looks legit (from what I've seen so far, a bad page header will prevent the system from doing much with it, so no FPIs will be generated). -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
