Linux中管理EXT2、 EXT3和EXT4文件系统健康状况的4个工具

Fragment size: 4096

Reserved GDT blocks: 1003

Blocks per group: 32768

Fragments per group: 32768

Inodes per group: 8192

Inode blocks per group: 512

Flex block group size: 16

Filesystem created: Sun Jul 31 16:19:36 2016

Last mount time: Mon Nov 6 10:25:28 2017

Last write time: Mon Nov 6 10:25:19 2017

Mount count: 432

Maximum mount count: -1

Last checked: Sun Jul 31 16:19:36 2016

Check interval: 0 ()

Lifetime writes: 2834 GB

Reserved blocks uid: 0 (user root)

Reserved blocks gid: 0 (group root)

First inode: 11

Inode size: 256

Required extra isize: 28

Desired extra isize: 28

Journal inode: 8

First orphan inode: 6947324

Default directory hash: half_md4

Directory Hash Seed: 9da5dafb-bded-494d-ba7f-5c0ff3d9b805

Journal backup: inode blocks

Journal features: journal_incompat_revoke

Journal size: 128M

Journal length: 32768

Journal sequence: 0x00580f0c

Journal start: 12055

你可以经由过程 -b 选项来显示文件体系中的任何保存块，比如坏块（无输出解释没有坏块）：

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