On 13.12.2010 08:44, Fujii Masao wrote:
> pg_archivecleanup removes unnecessary WAL files from the archive, but not
> from pg_xlog directory. So, after failover, those WAL files might
> exist in pg_xlog and be archived again later.
A file that has already been archived successfully should not be
archived again. The server keeps track of which files it has already
archived with the .ready/.done files.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com