[root@experiment ~]# dumpe2fs /dev/sda2 | less
dumpe2fs 1.39 (29-May-2006)
Filesystem volume name:   /1
Last mounted on:          <not available>
Filesystem UUID:          9c2a6086-3305-4709-a442-c27be9cb57d2
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file
Default mount options:    user_xattr acl
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              5124480
Block count:              5120718
Reserved block count:     256035
Free blocks:              2684471
Free inodes:              4946305
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      1022
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         32640
Inode blocks per group:   1020
Filesystem created:       Tue Aug  4 23:59:44 2009
Last mount time:          Mon Sep 28 16:35:32 2009
Last write time:          Mon Sep 28 16:35:32 2009
Mount count:              12
Maximum mount count:      -1
Last checked:             Tue Aug  4 23:59:44 2009
Check interval:           0 (<none>)
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
First orphan inode:       3264050
Default directory hash:   tea
Directory Hash Seed:      ed55120f-56fa-4e8b-b004-b65acd433aa0
Journal backup:           inode blocks
Journal size:             128M

Group 0: (Blocks 0-32767)
Primary superblock at 0, Group descriptors at 1-2
Reserved GDT blocks at 3-1024
Block bitmap at 1025 (+1025), Inode bitmap at 1026 (+1026)
Inode table at 1027-2046 (+1027)

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