diff --git a/data/hostname/uffizi.softwareheritage.org.yaml b/data/hostname/uffizi.softwareheritage.org.yaml
index e95e0e10..e5ac0d81 100644
--- a/data/hostname/uffizi.softwareheritage.org.yaml
+++ b/data/hostname/uffizi.softwareheritage.org.yaml
@@ -1,113 +1,144 @@
 dar::backup::exclude:
   - annex
   - data
   - mnt
   - srv/softwareheritage/annex
 
 # Deploy the storage server as a public resource
 swh::deploy::storage::backend::listen::host: 0.0.0.0
 swh::deploy::storage::backend::workers: 64
 swh::deploy::storage::backend::max_requests: 500
 swh::deploy::storage::backend::max_requests_jitter: 50
+
+swh::deploy::storage::legacy_directory: /srv/softwareheritage/objects-xfs
+
 swh::deploy::storage::config:
   storage:
     cls: local
     args:
       db: "host=%{hiera('swh::deploy::storage::db::host')} user=%{hiera('swh::deploy::storage::db::user')} dbname=%{hiera('swh::deploy::storage::db::dbname')} password=%{hiera('swh::deploy::storage::db::password')}"
       objstorage:
         cls: multiplexer
         args:
           objstorages:
             - cls: pathslicing
               args:
                 root: "%{hiera('swh::deploy::storage::directory')}"
-                slicing: "0:2/2:4/4:6"
+                slicing: "0:2/0:5"
+            - cls: filtered
+              args:
+                storage_conf:
+                  cls: pathslicing
+                  args:
+                    root: "%{hiera('swh::deploy::storage::legacy_directory')}"
+                    slicing: "0:1/0:2/2:4/4:6"
+                filters_conf:
+                  - type: readonly
             - "%{alias('swh::remote_service::objstorage::config::azure')}"
       journal_writer:
         cls: kafka
         args:
           brokers: "%{alias('swh::deploy::journal::brokers')}"
           prefix: "%{alias('swh::deploy::journal::prefix')}"
           client_id: "swh.storage.journal_writer.%{::swh_hostname.short}"
 
 # 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: 32
 swh::deploy::indexer::storage::config:
   indexer_storage:
     cls: local
     args:
       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')}"
 
 # open objstorage api
 swh::deploy::objstorage::backend::listen::host: 0.0.0.0
 swh::deploy::objstorage::backend::workers: 16
+swh::deploy::objstorage::config:
+  objstorage:
+    cls: multiplexer
+    args:
+      objstorages:
+        - cls: pathslicing
+          args:
+            root: "%{hiera('swh::deploy::storage::directory')}"
+            slicing: "0:2/0:5"
+        - cls: filtered
+          args:
+            storage_conf:
+              cls: pathslicing
+              args:
+                root: "%{hiera('swh::deploy::storage::legacy_directory')}"
+                slicing: "0:1/0:2/2:4/4:6"
+            filters_conf:
+              - type: readonly
+  client_max_size: 1073741824  # 1 GiB
 
 swh::deploy::objstorage::ceph::keyring: /etc/softwareheritage/objstorage/ceph-keyring
 swh::deploy::objstorage::ceph::rados_id: swh-contents-rw
 
 ceph::client_keyrings:
   '/etc/softwareheritage/objstorage/ceph-keyring':
     owner: root
     group: swhstorage
     mode: '0640'
     keys:
       - "%{alias('swh::deploy::objstorage::ceph::rados_id')}"
 
 icinga2::host::vars:
   load: high
   disks:
     disk /srv/storage/0:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/1:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/2:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/3:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/4:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/5:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/6:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/7:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/8:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/9:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/a:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/b:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/c:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/d:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/e:
       disk_wfree: '5%'
       disk_cfree: '3%'
     disk /srv/storage/f:
       disk_wfree: '5%'
       disk_cfree: '3%'
 
 nginx::worker_processes: 16
 
 swh::apt_config::enable_non_free: true
 packages:
   - intel-microcode