diff --git a/crawler/crawler.go b/crawler/crawler.go
index b33a369..154f873 100644
--- a/crawler/crawler.go
+++ b/crawler/crawler.go
@@ -97,6 +97,23 @@ func (c *Crawler) DiskFreeStat(ch chan interface{}, keys []string) {
 	}()
 }
 
+func (c *Crawler) DiskIFreeStat(ch chan interface{}, keys []string) {
+	go func() {
+		diskFree := &stat.DiskIFreeStat{}
+		b, err := c.sshCli.RunCommand(diskFree.Command())
+		if err != nil {
+			ch <- err
+		}
+		res, err := diskFree.Read(bytes.NewReader(b), keys)
+		if err != nil {
+			ch <- err
+		}
+		ch <- res
+		close(ch)
+	}()
+}
+
+
 func (c *Crawler) LoadAvgStat(ch chan interface{}) {
 	go func() {
 		load := &stat.LoadAvg{}
diff --git a/main.go b/main.go
index 61020ae..7f0f35d 100644
--- a/main.go
+++ b/main.go
@@ -8,11 +8,11 @@ import (
 
 func main() {
 
-	const ip = "192.168.1.215"
+	const ip = "192.168.1.15"
 	const port = "22"
-	const user = "snoop"
+	const user = "administrator"
 	const pw = "!@#$qwer1234"
-	const keyFilePath = "/home/insanity/.ssh/id_rsa"
+	const keyFilePath = "" ///home/insanity/.ssh/id_rsa
 
 	cr, err := crawler.New(ip, port, user, pw, keyFilePath)
 	if err != nil {
@@ -92,6 +92,22 @@ func main() {
 	print(<-diskFreeCh)
 
 
+	//Disk Inode Free
+	diskInodeKeys := []string {
+		"disk[0].inode.usage.fs",
+		"disk[0].inode.usage.used",
+		"disk[0].inode.usage.available",
+		"disk[0].inode.usage.usedperc",
+		"disk[0].inode.usage.mounted",
+
+		"disk[1].inode.usage.fs",
+		"disk[2].inode.usage.fs",
+	}
+	diskInodeFreeCh := make(chan interface{})
+	cr.DiskIFreeStat(diskInodeFreeCh, diskInodeKeys)
+	print(<-diskInodeFreeCh)
+
+
 
 	//Network
 	netKeys := []string {
diff --git a/stat/disk_ifree.go b/stat/disk_ifree.go
new file mode 100644
index 0000000..5c7748c
--- /dev/null
+++ b/stat/disk_ifree.go
@@ -0,0 +1,78 @@
+package stat
+
+import (
+	"bufio"
+	"io"
+	"strings"
+	"strconv"
+	"git.loafle.net/overflow/ssh_crawler/util"
+)
+
+type DiskIFreeStat struct {
+	Filesystem,
+	Size,
+	Used,
+	Free,
+	UsePerc,
+	MountedOn string
+}
+
+func (diskFree DiskIFreeStat) Command() string {
+	return "df -ik"
+}
+
+func (diskio DiskIFreeStat) Read(r io.Reader, keys []string) (*map[string]string, error) {
+
+	var scanner = bufio.NewScanner(r)
+	var stats = []DiskIFreeStat{}
+
+	scanner.Scan()
+	for scanner.Scan() {
+		parts := strings.Fields(scanner.Text())
+		stats = append(stats, DiskIFreeStat{
+			Filesystem: parts[0],
+			Size:       parts[1],
+			Used:       parts[2],
+			Free:  parts[3],
+			UsePerc:    removePercUnit(parts[4]),
+			MountedOn:  parts[5],
+		})
+	}
+
+	res, err := diskio.parse(keys, stats)
+	if err != nil {
+		return nil, err
+	}
+
+	return &res, scanner.Err()
+}
+
+
+func (diskio DiskIFreeStat) parse(keys []string, data []DiskIFreeStat) (map[string]string, error) {
+	resMap := make(map[string]string)
+
+	for _, key := range keys  {
+		t := strings.Split(key, ".")
+		suffix := t[len(t)-1]
+		ext := util.ExtractInBracket(key)
+		idx, _ := strconv.Atoi(ext)
+
+		switch suffix {
+		case "fs":
+			resMap[key] = data[idx].Filesystem
+		case "used":
+			resMap[key] = data[idx].Used
+		case "free":
+			resMap[key] = data[idx].Free
+		case "usedperc":
+			resMap[key] = data[idx].UsePerc
+		case "mounted":
+			resMap[key] = data[idx].MountedOn
+
+		default:
+
+		}
+	}
+
+	return resMap, nil
+}
\ No newline at end of file
diff --git a/stat/disk_io.go b/stat/disk_io.go
index 66773e2..445fa00 100644
--- a/stat/disk_io.go
+++ b/stat/disk_io.go
@@ -40,7 +40,7 @@ func (diskio DiskIOStat) Read(r io.Reader, keys []string) (interface{}, error) {
 			return nil, fmt.Errorf("invalid line in %s: %s", "/proc/diskstats", scanner.Text())
 		}
 		deviceName := parts[2]
-		if !strings.HasPrefix(deviceName, "sd") {
+		if strings.HasPrefix(deviceName, "loop") {
 			continue
 		}
 		stats = append(stats, DiskIOStat{