diff --git a/site-modules/profile/manifests/postgresql/backup.pp b/site-modules/profile/manifests/postgresql/backup.pp
index 2bbf7b9e..a67c8aaa 100644
--- a/site-modules/profile/manifests/postgresql/backup.pp
+++ b/site-modules/profile/manifests/postgresql/backup.pp
@@ -1,15 +1,15 @@
 class profile::postgresql::backup {
 	include profile::postgresql::client
 
-	$pg_backup_user = %{hiera('swh::deploy::db::pgbouncer::user::login')}
-	$pg_backup_password = %{hiera('swh::deploy::db::pgbouncer::user::password')}
+	$pg_backup_user = lookup('swh::deploy::db::pgbouncer::user::login')
+	$pg_backup_password = lookup('swh::deploy::db::pgbouncer::user::password')
 
 	file { '/usr/local/bin/pg_cluster_backup.sh':
 		ensure	=> file,
 		owner	=> root,
 		group	=> staff,
 		mode	=> '0755',
 		content => template('profile/swh/pg_cluster_backup.sh.erb'),
 	}
 
 }
diff --git a/site-modules/profile/templates/swh/pg_cluster_backup.sh.erb b/site-modules/profile/templates/swh/pg_cluster_backup.sh.erb
index d85c3283..d3190ac5 100755
--- a/site-modules/profile/templates/swh/pg_cluster_backup.sh.erb
+++ b/site-modules/profile/templates/swh/pg_cluster_backup.sh.erb
@@ -1,23 +1,26 @@
 #!/bin/sh
 
+TARGET_DIR=/srv/storage/space/postgres_secondary
+
 # banco has many *slow* CPU cores
+# A full backup of the secondary cluster takes ~= 40 minutes with p=3 and c=1
 PARALLELISM=3
 COMPRESSION=1
 
 DATE=`/bin/date +%Y-%m-%d`
 
 export PGHOST=belvedere.internal.softwareheritage.org
 export PGPORT=5434
 export PGUSER=<%= @pg_backup_user %>
 export PGPASSWORD=<%= @pg_backup_password %>
 
 DB_LIST=`/usr/bin/psql template1 -t -c	\
 	"SELECT datname from pg_database WHERE datname NOT IN ('postgres', 'template0', 'template1');"`
 
 cd ${TARGET_DIR}
 
 for database in ${DB_LIST}
 do
 	echo "dumping database ${database}"
 	/usr/bin/pg_dump -Fd -j ${PARALLELISM} -Z ${COMPRESSION} -f pgdump-${DATE}.${database} -d ${database} -w
 done