make reset.sh more aggressive

reset.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 set -e
 
-dd if=/dev/zero of=/dev/vda bs=1M count=100
+for device in /dev/md* /dev/nvme* /dev/sd* /dev/vd*; do
-dd if=/dev/zero of=/dev/vdb bs=1M count=100
+    dd if=/dev/zero of=$device bs=10M count=100
+done
 sync