diff --git a/storage/qsan/nas/snmp/mode/hardware.pm b/storage/qsan/nas/snmp/mode/hardware.pm
index a68e1e946..577343d44 100644
--- a/storage/qsan/nas/snmp/mode/hardware.pm
+++ b/storage/qsan/nas/snmp/mode/hardware.pm
@@ -35,6 +35,7 @@ sub set_system {
     
     $self->{thresholds} = {
         disk => [
+            ['reserved', 'OK'],
             ['good', 'OK'],
             ['.*', 'CRITICAL'],
         ],
@@ -113,4 +114,4 @@ Example: --critical='temperature,.*,50'
 
 =back
 
-=cut
\ No newline at end of file
+=cut