Update Implementation History section
@@ -137,7 +137,8 @@ TBD
## Implementation History
-NONE
+- [Implementation on openshift/installer](https://github.com/hs0210/installer/tree/ipi-support-raid-bios)
+- [Implementation on openshift-metal3/terraform-provider-ironic](https://github.com/hs0210/terraform-provider-ironic/tree/ipi-support-raid-bios)
## Drawbacks
