+* If the server is a replication receiver, it needs read access to the sender's WALs
+ on the backup host (to recover from situations where the source might no longer
+ have the WALs.) This can be configured via hiera as well. Example:
+{{{
+[git|master] weasel@orinoco:~/projects/debian/d-a/dsa-puppet$ cat data/nodes/snapshotdb-manda-01.debian.org.yaml
+classes:
+ - roles::snapshot_db
+ - roles::postgresql::server