many refinements

templates/drive_check.sh

@@ -85,7 +85,7 @@ while true; do
             echo "Skipping $DISK, not SATA SSD or NVMe"
         fi
     done
-    # wait 15 seconds, loop again
-    echo "Sleeping 15 seconds so you can read this"
-    sleep 15
+    # wait {{ sleep_time }} seconds, loop again
+    echo "Sleeping {{ sleep_time }} seconds"
+    sleep {{ sleep_time }}
 done