Fix docker support

Dockerfile

@@ -31,4 +31,4 @@ RUN apt-get remove -y build-essential curl git && \
 
 EXPOSE 9000 9001
 
-CMD ["sh", "-c", "${GOPATH}/bin/minio"]
+CMD ["sh", "-c", "${GOPATH}/bin/minio mode memory 2G"]

pkg/storage/donut/donut_disk_internal.go

@@ -44,16 +44,17 @@ func (d disk) formatBytes(i int64) (result string) {
 
 // fsType2StrinMap - list of filesystems supported by donut
 var fsType2StringMap = map[string]string{
+	"01021994": "TMPFS",
 	"137d":     "EXT",
-	"ef51":     "EXT2OLD",
-	"ef53":     "EXT4",
 	"4244":     "HFS",
-	"5346544e": "NTFS",
 	"4d44":     "MSDOS",
 	"52654973": "REISERFS",
-	"6969":     "NFS",
+	"5346544e": "NTFS",
-	"01021994": "TMPFS",
 	"58465342": "XFS",
+	"61756673": "AUFS",
+	"6969":     "NFS",
+	"ef51":     "EXT2OLD",
+	"ef53":     "EXT4",
 }
 
 // getFSType - get filesystem type

pkg/storage/donut/donut_test.go

@@ -29,6 +29,7 @@ import (
 	"time"
 
 	. "github.com/minio-io/check"
+	"log"
 )
 
 func Test(t *testing.T) { TestingT(t) }
@@ -172,6 +173,7 @@ func (s *MySuite) TestNewObjectMetadata(c *C) {
 	c.Assert(err, IsNil)
 	defer os.RemoveAll(root)
 	donut, err := NewDonut("test", createTestNodeDiskMap(root))
+	log.Println(err)
 	c.Assert(err, IsNil)
 
 	metadata := make(map[string]string)