diff --git a/gcloud/tf/scripts/k3s-vm-startup.sh b/gcloud/tf/scripts/k3s-vm-startup.sh
index 3d8a496..665aed3 100644
--- a/gcloud/tf/scripts/k3s-vm-startup.sh
+++ b/gcloud/tf/scripts/k3s-vm-startup.sh
@@ -1,13 +1,18 @@
 #!/bin/bash
 
+# ensure only run once
+if [[ -f /etc/startup_was_launched ]]; then exit 0; fi
+
+touch /etc/startup_was_launched
+
 # Format the k3s disk if not already formatted
 
-# This command creates an ext4 filesystem on the specified 
+# This creates an ext4 filesystem on the specified 
 # disk with no reserved space for root, forces the operation, 
 # fully initializes inode tables and the journal, and enables 
 # discard/TRIM for better performance on SSDs or 
 # thin-provisioned storage.
-if ! lsblk | grep -q "/mnt/disks/k3s"; then
+if ! lsblk | grep -q "/var/lib/rancher/k3s"; then
     mkfs.ext4 -m 0 -F -E lazy_itable_init=0,lazy_journal_init=0,discard /dev/disk/by-id/google-k3s-disk
     mkdir -p /var/lib/rancher/k3s
     mount -o discard,defaults /dev/disk/by-id/google-k3s-disk /var/lib/rancher/k3s
@@ -26,12 +31,15 @@ fi
 # Similarly, a disk named app-data-disk will appear as /dev/
 # disk/by-id/google-app-data-disk.
 
+# Add to /etc/fstab for persistence (only if not already present)
+if ! grep -q "/var/lib/rancher/k3s" /etc/fstab; then
+    echo "/dev/disk/by-id/google-k3s-disk /var/lib/rancher/k3s ext4 defaults,discard 0 0" >> /etc/fstab
+fi
+if ! grep -q "/mnt/disks/app-data" /etc/fstab; then
+    echo "/dev/disk/by-id/google-app-data-disk /mnt/disks/app-data ext4 defaults,discard 0 0" >> /etc/fstab
+fi
 
 
-# ensure only run once
-if [[ -f /etc/startup_was_launched ]]; then exit 0; fi
-touch /etc/startup_was_launched
-
 # apt install
 apt update
 apt install -y ncdu htop