On Tue, Dec 1, 2009 at 9:40 AM, Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> wrote: > Even if rescanning every page in the cluster was feasible from a > performance point-of-view, it would make the CRC checking a lot less > useful. It's not hard to imagine that when a hardware glitch happens > causing corruption, it also causes the system to crash. Recalculating > the CRCs after crash would mask the corruption.
Yeah. Thanks for the explanation - I think I understand the problem now. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers