diff --git a/fill b/fill
new file mode 100755
index 0000000..f4c1f14
Binary files /dev/null and b/fill differ
diff --git a/fill.go b/fill.go
new file mode 100644
index 0000000..97345e6
--- /dev/null
+++ b/fill.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+)
+
+func main() {
+	var buf [1048576]byte
+
+	fd, err := os.Open("/dev/urandom")
+	if err != nil {
+		log.Fatal("Couldn't open urandom, " + err.Error())
+	}
+	count, err := io.ReadFull(fd, buf[:])
+	if err != nil || count != len(buf) {
+		log.Fatal("COuldn't read bytes, " + err.Error())
+	}
+	fd.Close()
+	i := 0
+	total := 0
+	fd, err = os.Create("tmp.dat")
+	for {
+		i, err = fd.Write(buf[:])
+		if err != nil || i != 1048576 {
+			fmt.Printf("EOF at %dmb, %s\n", total, err.Error())
+			fd.Close()
+			os.Remove("tmp.dat")
+			log.Fatal("End")
+		}
+		total++
+	}
+}