diff --git a/releasenotes/notes/fix-raid-volume-name-ac9013e7b5cf3d46.yaml b/releasenotes/notes/fix-raid-volume-name-ac9013e7b5cf3d46.yaml
new file mode 100644
index 000000000..b3ba90768
--- /dev/null
+++ b/releasenotes/notes/fix-raid-volume-name-ac9013e7b5cf3d46.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    The use of md_device as the default volume name if the volume name of a RAID
+    array hasn't been specified caused a 'Not POSIX compatible' error.
+    This has been fixed by using just the last part of the md_device.
+    Fixes https://bugs.launchpad.net/ironic-python-agent/+bug/2073406