On 2013-07-08 17:10:43 +0530, Amit Kapila wrote: > On Monday, July 08, 2013 4:26 PM Andres Freund wrote: > > On 2013-07-08 16:17:54 +0530, Hari Babu wrote: > > > + This utility can also be used to decide whether backup is > > required or not when the data page > > > + in old-master precedes the last applied LSN in old-standby > > (i.e., new-master) at the > > > + moment of the failover. > > > + </para> > > > + </refsect1> > > > > I don't think this is safe in any interesting set of cases. Am I > > missing > > something? > > No, you are not missing anything. It can be only used to find max LSN in > database which can avoid further corruption
Why is the patch submitted documenting it as a use-case then? I find it rather scary if the *patch authors* document a known unsafe use case as one of the known use-cases. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
