diff --git a/2025/xg-infra-upgrade-2025.md b/2025/xg-infra-upgrade-2025.md
index a3acba1..5c5b3d2 100644
--- a/2025/xg-infra-upgrade-2025.md
+++ b/2025/xg-infra-upgrade-2025.md
@@ -76,6 +76,7 @@ Improvements & things to not forget:
 	* https://omussell.github.io/fbsd-update-cache/
 	* https://forums.freebsd.org/threads/nginx-pkg-cache-help.85699/ + https://serverfault.com/a/1026574
 * VMs managed with https://github.com/churchers/vm-bhyve
+	* zvol (vdev) vm instead of file: https://github.com/churchers/vm-bhyve?tab=readme-ov-file#adding-custom-disks
 
 # Syncthing share enrol on ZFS subvolume