> -----Original Message-----
> From: Tom Lane
> I have just sent to the pgsql-patches list a rather large set of
> proposed diffs for the WAL code. These changes:
> * Store two past checkpoint locations, not just one, in pg_control.
> On startup, we fall back to the older checkpoint if the newer one
> is unreadable. Also, a physical copy of the newest checkpoint record
> is kept in pg_control for possible use in disaster recovery (ie,
> complete loss of pg_xlog). Also add a version number for pg_control
> itself. Remove archdir from pg_control; it ought to be a GUC
> parameter, not a special case (not that it's implemented yet anyway).
Is archdir really a GUC parameter ?
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