I forgot to tell you that that file is relative to the tile_dir (HASH_PATH).
Ok, I'll have to take a look into the mod_tile sources so this won't happen again :)
I just asked on jira for permissions on /sql [1], as everything mapnik/osm important happens on this partition (tiles_dir is located there).
Import is at Node(136000k) Way(0k) Relation(0k)
Peter