diff --git a/src/apps/ceph/restapi/mode/storage.pm b/src/apps/ceph/restapi/mode/storage.pm
new file mode 100644
index 000000000..83a946def
--- /dev/null
+++ b/src/apps/ceph/restapi/mode/storage.pm
@@ -0,0 +1,118 @@
+#
+# Copyright 2023 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::ceph::restapi::mode::storage;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub custom_space_usage_output {
+    my ($self, %options) = @_;
+
+    my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total_space});
+    my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used_space});
+    my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free_space});
+    return sprintf(
+        'raw storage space usage total: %s used: %s (%.2f%%) free: %s (%.2f%%)',
+        $total_size_value . " " . $total_size_unit,
+        $total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used_space},
+        $total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free_space}
+    );
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0, cb_prefix_output => 'prefix_global_output' }
+    ];
+
+    $self->{maps_counters}->{global} = [
+        { label => 'space-usage', nlabel => 'storage.raw.space.usage.bytes', set => {
+                key_values => [ { name => 'used_space' }, { name => 'free_space' }, { name => 'prct_used_space' }, { name => 'prct_free_space' }, { name => 'total_space' } ],
+                closure_custom_output => $self->can('custom_space_usage_output'),
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total_space', unit => 'B', cast_int => 1, label_extra_instance => 1 }
+                ]
+            }
+        },
+        { label => 'space-usage-free', nlabel => 'storage.raw.space.free.bytes', display_ok => 0, set => {
+                key_values => [ { name => 'free_space' }, { name => 'used_space' }, { name => 'prct_used_space' }, { name => 'prct_free_space' }, { name => 'total_space' } ],
+                closure_custom_output => $self->can('custom_space_usage_output'),
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total_space', unit => 'B', cast_int => 1, label_extra_instance => 1 }
+                ]
+            }
+        },
+        { label => 'space-usage-prct', nlabel => 'storage.raw.space.usage.percentage', display_ok => 0, set => {
+                key_values => [ { name => 'prct_used_space' }, { name => 'used_space' }, { name => 'free_space' }, { name => 'prct_free_space' }, { name => 'total_space' } ],
+                closure_custom_output => $self->can('custom_space_usage_output'),
+                perfdatas => [
+                    { template => '%.2f', min => 0, max => 100, unit => '%', label_extra_instance => 1 }
+                ]
+            }
+        }
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {});
+
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $health = $options{custom}->request_api(endpoint => '/api/health/minimal');
+    
+    $self->{global} = { 
+        total_space => $health->{df}->{stats}->{total_bytes},
+        used_space => $health->{df}->{stats}->{total_used_raw_bytes},
+        free_space => $health->{df}->{stats}->{total_bytes} - $health->{df}->{stats}->{total_used_raw_bytes},
+        prct_used_space => $health->{df}->{stats}->{total_used_raw_bytes} * 100 / $health->{df}->{stats}->{total_bytes},
+        prct_free_space => ($health->{df}->{stats}->{total_bytes} - $health->{df}->{stats}->{total_used_raw_bytes}) * 100 / $health->{df}->{stats}->{total_bytes}
+    };
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check raw storage.
+
+=over 8
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'space-usage', 'space-usage-free', 'space-usage-prct'.
+
+=back
+
+=cut
diff --git a/src/apps/ceph/restapi/plugin.pm b/src/apps/ceph/restapi/plugin.pm
index 9ded2b046..61545fa03 100644
--- a/src/apps/ceph/restapi/plugin.pm
+++ b/src/apps/ceph/restapi/plugin.pm
@@ -33,7 +33,8 @@ sub new {
         'health'     => 'apps::ceph::restapi::mode::health',
         'list-pools' => 'apps::ceph::restapi::mode::listpools',
         'osd'        => 'apps::ceph::restapi::mode::osd',
-        'pools'      => 'apps::ceph::restapi::mode::pools'
+        'pools'      => 'apps::ceph::restapi::mode::pools',
+        'storage'    => 'apps::ceph::restapi::mode::storage'
     };
 
     $self->{custom_modes}->{api} = 'apps::ceph::restapi::custom::api';