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zhttty 谢谢 加了个-h参数 不然信息太多了
[root@li384-8 ~]# dumpe2fs /dev/xvda -h
dumpe2fs 1.39 (29-May-2006)
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem UUID: 4bec49da-617a-4c45-9909-7dbc1d3cad36
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: (none)
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 1178112
Block count: 5111808
Reserved block count: 204472
Free blocks: 2263534
Free inodes: 65
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 43
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 7552
Inode blocks per group: 472
Filesystem created: Wed Apr 20 15:36:05 2011
Last mount time: Mon Jun 3 17:05:53 2013
Last write time: Mon Jun 3 17:04:45 2013
Mount count: 3
Maximum mount count: 37
Last checked: Sun Jan 13 06:22:52 2013
Check interval: 15552000 (6 months)
Next check after: Fri Jul 12 07:22:52 2013
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 316412cb-2eed-4e43-bcd7-bd6acd31b68a
Journal backup: inode blocks
Journal size: 16M
帮吗看看好吗