diff --git a/storage/hp/storeonce/restapi/custom/api.pm b/storage/hp/storeonce/restapi/custom/api.pm
new file mode 100644
index 000000000..ebdc6155f
--- /dev/null
+++ b/storage/hp/storeonce/restapi/custom/api.pm
@@ -0,0 +1,196 @@
+#
+# Copyright 2016 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 storage::hp::storeonce::restapi::custom::api;
+
+use strict;
+use warnings;
+use centreon::plugins::http;
+use XML::Simple;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self  = {};
+    bless $self, $class;
+
+    if (!defined($options{output})) {
+        print "Class Custom: Need to specify 'output' argument.\n";
+        exit 3;
+    }
+    if (!defined($options{options})) {
+        $options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
+        $options{output}->option_exit();
+    }
+    
+    if (!defined($options{noptions})) {
+        $options{options}->add_options(arguments => 
+                    {
+                      "hostname:s@" => { name => 'hostname', },
+                      "username:s@" => { name => 'username', },
+                      "password:s@" => { name => 'password', },
+                      "proxyurl:s@" => { name => 'proxyurl', },
+                      "timeout:s@"  => { name => 'timeout', },
+                    });
+    }
+    $options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
+
+    $self->{output} = $options{output};
+    $self->{mode} = $options{mode};    
+    $self->{http} = centreon::plugins::http->new(output => $self->{output});
+
+    return $self;
+
+}
+
+# Method to manage multiples
+sub set_options {
+    my ($self, %options) = @_;
+    # options{options_result}
+
+    $self->{option_results} = $options{option_results};
+}
+
+# Method to manage multiples
+sub set_defaults {
+    my ($self, %options) = @_;
+    # options{default}
+    
+    # Manage default value
+    foreach (keys %{$options{default}}) {
+        if ($_ eq $self->{mode}) {
+            for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
+                foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
+                    if (!defined($self->{option_results}->{$opt}[$i])) {
+                        $self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
+                    }
+                }
+            }
+        }
+    }
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    # return 1 = ok still hostname
+    # return 0 = no hostname left
+
+    $self->{hostname} = (defined($self->{option_results}->{hostname})) ? shift(@{$self->{option_results}->{hostname}}) : undef;
+    $self->{username} = (defined($self->{option_results}->{username})) ? shift(@{$self->{option_results}->{username}}) : '';
+    $self->{password} = (defined($self->{option_results}->{password})) ? shift(@{$self->{option_results}->{password}}) : '';
+    $self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : 10;
+    $self->{proxyurl} = (defined($self->{option_results}->{proxyurl})) ? shift(@{$self->{option_results}->{proxyurl}}) : undef;
+ 
+    if (!defined($self->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Need to specify hostname option.");
+        $self->{output}->option_exit();
+    }
+
+    if (!defined($self->{hostname}) ||
+        scalar(@{$self->{option_results}->{hostname}}) == 0) {
+        return 0;
+    }
+    return 1;
+}
+
+sub build_options_for_httplib {
+    my ($self, %options) = @_;
+
+    $self->{option_results}->{hostname} = $self->{hostname};
+    $self->{option_results}->{timeout} = $self->{timeout};
+    $self->{option_results}->{port} = 443;
+    $self->{option_results}->{proto} = 'https';
+    $self->{option_results}->{proxyurl} = $self->{proxyurl};
+    $self->{option_results}->{credentials} = 1;
+    $self->{option_results}->{username} = $self->{username};
+    $self->{option_results}->{password} = $self->{password};
+}
+
+sub settings {
+    my ($self, %options) = @_;
+
+    $self->build_options_for_httplib();
+    $self->{http}->add_header(key => 'Accept', value => 'text/xml');
+    $self->{http}->set_options(%{$self->{option_results}});
+}
+
+#my $xml = XMLin($biggest_reponse, ForceArray => 1);
+
+sub get {
+    my ($self, %options) = @_;
+
+    $self->settings();
+
+    my $response = $self->{http}->request(url_path => '/storeonceservices' . $options{path},
+                                          critical_status => '', warning_status => '');
+    my $content;
+    eval {
+        $content = XMLin($response);
+    };
+    if ($@) {
+        $self->{output}->add_option_msg(short_msg => "Cannot decode xml response: $@");
+        $self->{output}->option_exit();
+    }
+    
+    return $content;
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+STOREONCE REST API
+
+=head1 SYNOPSIS
+
+Storeonce Rest API custom mode
+
+=head1 REST API OPTIONS
+
+=over 8
+
+=item B<--hostname>
+
+Storeonce hostname.
+
+=item B<--username>
+
+Storeonce username.
+
+=item B<--password>
+
+Storeonce password.
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--timeout>
+
+Set HTTP timeout
+
+=back
+
+=head1 DESCRIPTION
+
+B<custom>.
+
+=cut
diff --git a/storage/hp/storeonce/restapi/mode/servicesetusage.pm b/storage/hp/storeonce/restapi/mode/servicesetusage.pm
new file mode 100644
index 000000000..680c5729b
--- /dev/null
+++ b/storage/hp/storeonce/restapi/mode/servicesetusage.pm
@@ -0,0 +1,289 @@
+#
+# Copyright 2016 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 storage::hp::storeonce::restapi::mode::servicesetusage;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+my $instance_mode;
+
+sub custom_status_threshold {
+    my ($self, %options) = @_; 
+    my $status = 'ok';
+    my $message;
+    
+    eval {
+        local $SIG{__WARN__} = sub { $message = $_[0]; };
+        local $SIG{__DIE__} = sub { $message = $_[0]; };
+        
+        if (defined($instance_mode->{option_results}->{critical_status}) && $instance_mode->{option_results}->{critical_status} ne '' &&
+            eval "$instance_mode->{option_results}->{critical_status}") {
+            $status = 'critical';
+        } elsif (defined($instance_mode->{option_results}->{warning_status}) && $instance_mode->{option_results}->{warning_status} ne '' &&
+                 eval "$instance_mode->{option_results}->{warning_status}") {
+            $status = 'warning';
+        }
+    };
+    if (defined($message)) {
+        $self->{output}->output_add(long_msg => 'filter status issue: ' . $message);
+    }
+
+    return $status;
+}
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+    
+    my $msg = 'status : ' . $self->{result_values}->{status};
+    return $msg;
+}
+
+sub custom_status_calc {
+    my ($self, %options) = @_;
+    
+    $self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
+    return 0;
+}
+
+sub custom_usage_perfdata {
+    my ($self, %options) = @_;
+    
+    my $label = 'used';
+    my $value_perf = $self->{result_values}->{used};
+    if (defined($instance_mode->{option_results}->{free})) {
+        $label = 'free';
+        $value_perf = $self->{result_values}->{free};
+    }
+    my $extra_label = '';
+    $extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0);
+    my %total_options = ();
+    if ($instance_mode->{option_results}->{units} eq '%') {
+        $total_options{total} = $self->{result_values}->{total};
+        $total_options{cast_int} = 1;
+    }
+
+    $self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
+                                  value => $value_perf,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options),
+                                  min => 0, max => $self->{result_values}->{total});
+}
+
+sub custom_usage_threshold {
+    my ($self, %options) = @_;
+    
+    my ($exit, $threshold_value);
+    $threshold_value = $self->{result_values}->{used};
+    $threshold_value = $self->{result_values}->{free} if (defined($instance_mode->{option_results}->{free}));
+    if ($instance_mode->{option_results}->{units} eq '%') {
+        $threshold_value = $self->{result_values}->{prct_used};
+        $threshold_value = $self->{result_values}->{prct_free} if (defined($instance_mode->{option_results}->{free}));
+    }
+    $exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]);
+    return $exit;
+}
+
+sub custom_usage_output {
+    my ($self, %options) = @_;
+    
+    my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
+    my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
+    my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
+    my $msg = sprintf("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},
+                   $total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
+    return $msg;
+}
+
+sub custom_usage_calc {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};    
+    $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
+    $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
+    $self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
+    $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
+    $self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
+    
+    return 0;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'scs', type => 1, cb_prefix_output => 'prefix_scs_output', message_multiple => 'All service sets are ok' }
+    ];
+    
+    $self->{maps_counters}->{scs} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'status' }, { name => 'display' } ],
+                closure_custom_calc => $self->can('custom_status_calc'),
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => $self->can('custom_status_threshold'),
+            }
+        },
+        { label => 'usage', set => {
+                key_values => [ { name => 'display' }, { name => 'used' }, { name => 'total' } ],
+                closure_custom_calc => $self->can('custom_usage_calc'),
+                closure_custom_output => $self->can('custom_usage_output'),
+                closure_custom_perfdata => $self->can('custom_usage_perfdata'),
+                closure_custom_threshold_check => $self->can('custom_usage_threshold'),
+            }
+        },
+        { label => 'dedup', set => {
+                key_values => [ { name => 'dedup' }, { name => 'display' } ],
+                output_template => 'Dedup Ratio : %.2f',
+                perfdatas => [
+                    { label => 'dedup_ratio', value => 'dedup_absolute', template => '%.2f', 
+                      min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                { 
+                                  "filter-name:s"       => { name => 'filter_name' },
+                                  "warning-status:s"    => { name => 'warning_status', default => '' },
+                                  "critical-status:s"   => { name => 'critical_status', default => '%{status} =~ /^(?!(running)$)/i' },
+                                  "units:s"             => { name => 'units', default => '%' },
+                                  "free"                => { name => 'free' },
+                                });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $instance_mode = $self;
+    $self->change_macros();
+}
+
+sub prefix_scs_output {
+    my ($self, %options) = @_;
+    
+    return "Service set '" . $options{instance_value}->{display} . "' ";
+}
+
+sub change_macros {
+    my ($self, %options) = @_;
+    
+    foreach (('warning_status', 'critical_status')) {
+        if (defined($self->{option_results}->{$_})) {
+            $self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
+        }
+    }
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+    
+    $self->{scs} = {};
+    my $result = $options{custom}->get(path => '/cluster/servicesets');
+    if (defined($result->{servicesets}->{serviceset})) {
+        foreach my $entry (@{$result->{servicesets}->{serviceset}}) {
+            if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+                $entry->{properties}->{alias} !~ /$self->{option_results}->{filter_name}/) {
+                $self->{output}->output_add(long_msg => "skipping  '" . $entry->{properties}->{alias} . "': no matching filter.", debug => 1);
+                next;
+            }
+            
+            $self->{scs}->{$entry->{properties}->{ssid}} = { 
+                display => $entry->{properties}->{alias}, 
+                status => $entry->{properties}->{status},
+                total => $entry->{properties}->{capacityBytes}, 
+                used => $entry->{properties}->{capacityBytes} - $entry->{properties}->{freeBytes},
+                dedup => $entry->{properties}->{dedupeRatio} };
+        }
+    }
+    
+    if (scalar(keys %{$self->{scs}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No service set found.");
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check service set usages.
+
+=over 8
+
+=item B<--filter-counters>
+
+Only display some counters (regexp can be used).
+Example: --filter-counters='^status$'
+
+=item B<--filter-name>
+
+Filter service set name (can be a regexp).
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: -).
+Can used special variables like: %{status}, %{display}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{status} =~ /^(?!(running)$)/').
+Can used special variables like: %{status}, %{display}
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'usage', 'dedup'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'usage', 'dedup'.
+
+=item B<--units>
+
+Units of thresholds (Default: '%') ('%', 'B').
+
+=item B<--free>
+
+Thresholds are on free space left.
+
+=back
+
+=cut
diff --git a/storage/hp/storeonce/restapi/plugin.pm b/storage/hp/storeonce/restapi/plugin.pm
new file mode 100644
index 000000000..3cc9e4817
--- /dev/null
+++ b/storage/hp/storeonce/restapi/plugin.pm
@@ -0,0 +1,47 @@
+#
+# Copyright 2016 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package storage::hp::storeonce::restapi::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_custom);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+                         'serviceset-usage' => 'storage::hp::storeonce::restapi::mode::servicesetusage',
+                         );
+
+    $self->{custom_modes}{api} = 'storage::hp::storeonce::restapi::custom::api';
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Hp Storeonce through HTTP/REST API.