diff --git a/roles/os_must_gather/defaults/main.yml b/roles/os_must_gather/defaults/main.yml
index 72050e8e36..248d21df61 100644
--- a/roles/os_must_gather/defaults/main.yml
+++ b/roles/os_must_gather/defaults/main.yml
@@ -24,6 +24,7 @@ cifmw_os_must_gather_output_dir: "{{ cifmw_basedir | default(ansible_user_dir ~
 cifmw_os_must_gather_output_log_dir: "{{ cifmw_os_must_gather_output_dir }}/logs/openstack-must-gather"
 cifmw_os_must_gather_repo_path: "{{ ansible_user_dir }}/src/github.com/openstack-k8s-operators/openstack-must-gather"
 cifmw_os_must_gather_timeout: "30m"
+cifmw_os_must_gather_volume_percentage: 70
 cifmw_os_must_gather_additional_namespaces: "kuttl,openshift-storage,openshift-marketplace,openshift-operators,sushy-emulator,tobiko"
 cifmw_os_must_gather_namespaces:
   - "{{ operator_namespace }}"
diff --git a/roles/os_must_gather/tasks/main.yml b/roles/os_must_gather/tasks/main.yml
index 7b578d5fab..277152f82e 100644
--- a/roles/os_must_gather/tasks/main.yml
+++ b/roles/os_must_gather/tasks/main.yml
@@ -72,6 +72,7 @@
           --timeout {{ cifmw_os_must_gather_timeout }}
           --host-network={{ cifmw_os_must_gather_host_network }}
           --dest-dir {{ cifmw_os_must_gather_output_log_dir }}
+          --volume-percentage={{ cifmw_os_must_gather_volume_percentage }}
           -- ADDITIONAL_NAMESPACES={{ cifmw_os_must_gather_additional_namespaces }}
           OPENSTACK_DATABASES=$OPENSTACK_DATABASES
           SOS_EDPM=$SOS_EDPM
@@ -115,6 +116,7 @@
               oc adm must-gather
               --dest-dir {{ ansible_user_dir }}/ci-framework-data/must-gather
               --timeout {{ cifmw_os_must_gather_timeout }}
+              --volume-percentage={{ cifmw_os_must_gather_volume_percentage }}
       always:
         - name: Create oc_inspect log directory
           ansible.builtin.file: