diff --git a/data/deployments/staging/common.yaml b/data/deployments/staging/common.yaml
index 61fd3058..5d4234d5 100644
--- a/data/deployments/staging/common.yaml
+++ b/data/deployments/staging/common.yaml
@@ -1,238 +1,246 @@
 ---
 swh::deploy::environment: staging
 
 swh::deploy::worker::loader_nixguix::loglevel: debug
 
 swh::deploy::storage::db::host: db1.internal.staging.swh.network
 swh::deploy::storage::db::user: swh
 swh::deploy::storage::db::dbname: swh
 
 swh::deploy::indexer::storage::db::host: db1.internal.staging.swh.network
 swh::deploy::indexer::storage::db::user: swh-indexer
 swh::deploy::indexer::storage::db::dbname: swh-indexer
 
 swh::deploy::scheduler::db::host: db1.internal.staging.swh.network
 swh::deploy::scheduler::db::dbname: swh-scheduler
 swh::deploy::scheduler::db::user: swh-scheduler
 
 swh::deploy::deposit::db::host: db1.internal.staging.swh.network
 swh::deploy::deposit::db::dbuser: swh-deposit
 swh::deploy::deposit::db::dbname: swh-deposit
 
 swh::deploy::vault::db::host: db1.internal.staging.swh.network
 swh::deploy::vault::db::user: swh-vault
 swh::deploy::vault::db::dbname: swh-vault
 
 swh::deploy::worker::lister::db::host: db1.internal.staging.swh.network
 swh::deploy::worker::lister::db::user: swh-lister
 swh::deploy::worker::lister::db::name: swh-lister
 
 swh::deploy::worker::instances:
   - checker_deposit
   - loader_archive
   - loader_cran
   - loader_debian
   - loader_deposit
   - loader_nixguix
   - loader_git
   - loader_mercurial
   - loader_npm
   - loader_pypi
   - loader_svn
   - vault_cooker
   - lister
   - indexer_origin_intrinsic_metadata
 
 #### Rabbitmq instance to use
 # swh::deploy::worker::task_broker::password in private data
 swh::deploy::worker::task_broker: "amqp://swhconsumer:%{hiera('swh::deploy::worker::task_broker::password')}@scheduler0.internal.staging.swh.network:5672/%2f"
 
 #### Storage/Indexer/Vault/Scheduler services to use in staging area
 
 swh::remote_service::storage::config::storage0:
   cls: remote
   args:
     url: "http://storage1.internal.staging.swh.network:%{hiera('swh::remote_service::storage::port')}/"
 swh::remote_service::storage::config: "%{alias('swh::remote_service::storage::config::storage0')}"
 swh::remote_service::storage::config::writable: &swh_remote_service_storage_config_writable
   "%{alias('swh::remote_service::storage::config::storage0')}"
 
 swh::remote_service::vault::config::vault0:
   cls: remote
   args:
     url: "http://vault.internal.staging.swh.network:%{hiera('swh::remote_service::vault::port')}/"
 swh::remote_service::vault::config: "%{alias('swh::remote_service::vault::config::vault0')}"
 swh::remote_service::vault::config::writable: "%{alias('swh::remote_service::vault::config::vault0')}"
 
 swh::remote_service::indexer::config::storage0:
   cls: remote
   url: "http://storage1.internal.staging.swh.network:%{hiera('swh::remote_service::indexer::port')}/"
 swh::remote_service::indexer::config: "%{alias('swh::remote_service::indexer::config::storage0')}"
 swh::remote_service::indexer::config::writable: "%{alias('swh::remote_service::indexer::config::storage0')}"
 
 swh::remote_service::scheduler::config::scheduler0:
   cls: remote
   args:
     url: "http://scheduler0.internal.staging.swh.network:%{hiera('swh::remote_service::scheduler::port')}/"
 
 swh::remote_service::scheduler::config: "%{alias('swh::remote_service::scheduler::config::scheduler0')}"
 swh::remote_service::scheduler::config::writable: "%{alias('swh::remote_service::scheduler::config::scheduler0')}"
 
 swh::deploy::deposit::url: https://deposit.staging.swh.network
 swh::deploy::deposit::internal_url: "https://deposit-rp.internal.staging.swh.network"
 
 # do not save pack
 swh::deploy::worker::loader_git::save_data_path: ""
 swh::deploy::worker::loader_git::concurrency: 1
 
 zookeeper::clusters:
   rocquencourt_staging:
     '1': journal0.internal.staging.swh.network
 
 kafka::broker::heap_opts: "-Xmx3G -Xms3G"
 
 kafka::clusters:
   rocquencourt_staging:
     zookeeper::chroot: '/kafka/softwareheritage'
     zookeeper::servers:
       - journal0.internal.staging.swh.network
     brokers:
       journal0.internal.staging.swh.network:
         id: 1
     broker::heap_opts: "%{alias('kafka::broker::heap_opts')}"
     superusers:
       - User:swh-admin-olasd
       # Users connecting in the plaintext endpoint are ANONYMOUS
       # TODO: remove when explicit ACLs are given to producers
       - User:ANONYMOUS
     tls: true
     plaintext_port: 9092
     public_tls_port: 9093
     internal_tls_port: 9094
     cluster_config_overrides:
       offsets.topic.replication.factor: 1 # this is mandatory with only one node
     # public_listener_network: 128.93.166.0/26
 
 swh::deploy::journal::brokers:
   - journal0.internal.staging.swh.network
 
 swh::deploy::deposit::vhost::letsencrypt_cert: deposit_staging
 swh::deploy::deposit::reverse_proxy::backend_http_host: deposit.internal.staging.swh.network
 
 swh::deploy::webapp::vhost::letsencrypt_cert: archive_staging
 swh::deploy::webapp::reverse_proxy::backend_http_host: webapp.internal.staging.swh.network
 
 swh::postgresql::version: '12'
 swh::postgresql::port: 5433
 swh::postgresql::cluster_name: "%{lookup('swh::postgresql::version')}/main"
 swh::postgresql::datadir_base: "%{lookup('swh::base_directory')}/postgres"
 swh::postgresql::datadir: "%{lookup('swh::postgresql::datadir_base')}/%{lookup('swh::postgresql::cluster_name')}"
 swh::postgresql::listen_addresses:
   - 0.0.0.0
 swh::postgresql::network_accesses:
   - 192.168.100.0/24 # Monitoring
   - 192.168.130.0/24 # Staging services
 
 swh::postgresql::shared_buffers: 32GB
 
 postgresql::server::config_entries:
   shared_buffers: "%{alias('swh::postgresql::shared_buffers')}"
   cluster_name: "%{alias('swh::postgresql::cluster_name')}"
 
 postgresql::globals::version: "%{alias('swh::postgresql::version')}"
 
 swh::dbs:
   storage:
     name: swh
     user: swh
   scheduler:
     name: swh-scheduler
     user: swh-scheduler
   vault:
     name: swh-vault
     user: swh-vault
   lister:
     name: swh-lister
     user: swh-lister
   deposit:
     name: swh-deposit
     user: swh-deposit
   indexer::storage:
     name: swh-indexer
     user: swh-indexer
 
 pgbouncer::auth_hba_file: "/etc/postgresql/%{lookup('swh::postgresql::cluster_name')}/pg_hba.conf"
 pgbouncer::common::listen_addresses:
   - 0.0.0.0
 pgbouncer::databases:
   - source_db: swh
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh
   - source_db: swh-scheduler
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh-scheduler
   - source_db: swh-vault
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh-vault
   - source_db: swh-lister
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh-lister
   - source_db: swh-deposit
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh-deposit
   - source_db: swh-indexer
     host: localhost
     auth_user: postgres
     port: 5433
     alias: staging-swh-indexer
 
 # open objstorage api
 swh::deploy::objstorage::backend::listen::host: 0.0.0.0
 swh::deploy::objstorage::backend::workers: 4
 swh::deploy::objstorage::directory: "%{hiera('swh::deploy::storage::directory')}"
 swh::deploy::objstorage::slicing: 0:1/1:5
 
-swh::remote_service::objstorage::config:
-  cls: pathslicing
-  args:
-    root: "%{hiera('swh::deploy::storage::directory')}"
-    slicing: "%{hiera('swh::deploy::objstorage::slicing')}"
-
 # Deploy the storage server as a public resource
 swh::deploy::storage::backend::listen::host: 0.0.0.0
 swh::deploy::storage::backend::workers: 4
 swh::deploy::storage::backend::max_requests: 100
 swh::deploy::storage::backend::max_requests_jitter: 10
 
 # Deploy the indexer storage server as a public resource
 swh::deploy::indexer::storage::backend::listen::host: 0.0.0.0
 swh::deploy::indexer::storage::backend::workers: 4
 
+
+swh::remote_service::objstorage::config::rw:
+  cls: remote
+  url: "http://storage1.internal.staging.swh.network:%{hiera('swh::remote_service::objstorage::port')}/"
+
+swh::remote_service::objstorage::config::ro:
+  cls: filtered
+  storage_conf: "%{alias('swh::remote_service::objstorage::config::rw')}"
+  filters_conf:
+    - type: readonly
+
+swh::remote_service::objstorage::config: "%{alias('swh::remote_service::objstorage::config::ro')}"
+swh::remote_service::objstorage::config::writable: "%{alias('swh::remote_service::objstorage::config::rw')}"
+
 swh::deploy::indexer::storage::config:
   indexer_storage:
     cls: local
     db: "host=%{hiera('swh::deploy::indexer::storage::db::host')} port=%{hiera('swh::deploy::indexer::storage::db::port')} user=%{hiera('swh::deploy::indexer::storage::db::user')} dbname=%{hiera('swh::deploy::indexer::storage::db::dbname')} password=%{hiera('swh::deploy::indexer::storage::db::password')}"
     journal_writer: "%{alias('swh::deploy::indexer::journal::writer::config')}"
 
 nginx::worker_processes: 4
 
 ## Reverse-proxy and frontend
 
 hitch::frontend: "[*]:443"
 hitch::proxy_support: true
 
 varnish::http_port: 80
 
 apache::http_port: 9080
 # Disable default vhost on port 80
 apache::default_vhost: false
diff --git a/data/hostname/storage1.internal.staging.swh.network.yaml b/data/hostname/storage1.internal.staging.swh.network.yaml
index ed11950c..ef7059ef 100644
--- a/data/hostname/storage1.internal.staging.swh.network.yaml
+++ b/data/hostname/storage1.internal.staging.swh.network.yaml
@@ -1,59 +1,63 @@
 ---
 networks:
   enp2s0f0:
     type: manual
     order: 10
     extras:
       mtu: "9000"
   enp2s0f1:
     type: manual
     order: 10
     extras:
       mtu: "9000"
   bond0:
     type: manual
     order: 20
     extras:
       mtu: "9000"
       bond-miimon: 100
       bond-mode: 802.3ad
       bond-xmit_hash_policy: layer3+4
       bond-slaves: enp2s0f0 enp2s0f1
       bond-lacp-rate: 1
   vlan443:
     type: static
     order: 30
     address: 192.168.130.41
     netmask: 24
     gateway: 192.168.130.1
     mtu: "9000"
     extras:
       vlan-raw-device: bond0
 
 backups::exclude:
   - srv/softwareheritage/objects
 
 swh::apt_config::enable_non_free: true
 packages:
   - intel-microcode
   - vlan
   - ifenslave
 
 swh::apt_config::backported_packages:
   buster:
     - linux-image-amd64
     - linux-headers-amd64
     - libnvpair1linux
     - libuutil1linux
     - libzfs2linux
     - libzpool2linux
     - zfs-dkms
     - zfsutils-linux
     - zfs-zed
 
 swh::deploy::storage::config::local:
   cls: local
   args:
     db: "host=%{hiera('swh::deploy::storage::db::host')} port=%{hiera('swh::deploy::storage::db::port')} user=%{hiera('swh::deploy::storage::db::user')} dbname=%{hiera('swh::deploy::storage::db::dbname')} password=%{hiera('swh::deploy::storage::db::password')}"
-    objstorage: "%{alias('swh::remote_service::objstorage::config')}"
+    objstorage: 
+      cls: pathslicing
+      args:
+        root: "%{hiera('swh::deploy::storage::directory')}"
+        slicing: "%{hiera('swh::deploy::objstorage::slicing')}"      
     journal_writer: "%{alias('swh::deploy::journal::writer::config')}"