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- [root@localhost ~]# tune2fs -l /dev/sda
- tune2fs 1.45.4 (23-Sep-2019)
- Filesystem volume name: home
- Last mounted on: /home
- Filesystem UUID: bf3e9504-8000-42a1-adb4-226658ec7a5d
- Filesystem magic number: 0xEF53
- Filesystem revision #: 1 (dynamic)
- Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
- Filesystem flags: signed_directory_hash
- Default mount options: user_xattr acl
- Filesystem state: clean
- Errors behavior: Continue
- Filesystem OS type: Linux
- Inode count: 366215168
- Block count: 2929721344
- Reserved block count: 146486067
- Free blocks: 152880604
- Free inodes: 362944919
- First block: 0
- Block size: 4096
- Fragment size: 4096
- Group descriptor size: 64
- Reserved GDT blocks: 651
- Blocks per group: 32768
- Fragments per group: 32768
- Inodes per group: 4096
- Inode blocks per group: 256
- RAID stripe width: 8191
- Flex block group size: 16
- Filesystem created: Thu Jan 17 21:15:52 2019
- Last mount time: Sun Dec 15 15:50:20 2019
- Last write time: Wed Jan 1 15:22:22 2020
- Mount count: 1
- Maximum mount count: -1
- Last checked: Sun Dec 15 15:47:09 2019
- Check interval: 0 (<none>)
- Lifetime writes: 40 TB
- Reserved blocks uid: 0 (user root)
- Reserved blocks gid: 0 (group root)
- First inode: 11
- Inode size: 256
- Required extra isize: 32
- Desired extra isize: 32
- Journal inode: 8
- Default directory hash: half_md4
- Directory Hash Seed: 3921af50-80c9-4025-a8e3-2879f6242a00
- Journal backup: inode blocks
- Checksum type: crc32c
- Checksum: 0x1b1f0d4e
- [root@localhost ~]# fsck -fy /dev/sda
- fsck from util-linux 2.35-rc1-20-63f8
- e2fsck 1.45.4 (23-Sep-2019)
- Pass 1: Checking inodes, blocks, and sizes
- Pass 2: Checking directory structure
- Pass 3: Checking directory connectivity
- Pass 4: Checking reference counts
- Pass 5: Checking group summary information
- home: 3270249/366215168 files (1.9% non-contiguous), 2776840740/2929721344 blocks
- [root@localhost ~]# tune2fs -l /dev/sda
- tune2fs 1.45.4 (23-Sep-2019)
- Filesystem volume name: home
- Last mounted on: /home
- Filesystem UUID: bf3e9504-8000-42a1-adb4-226658ec7a5d
- Filesystem magic number: 0xEF53
- Filesystem revision #: 1 (dynamic)
- Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
- Filesystem flags: signed_directory_hash
- Default mount options: user_xattr acl
- Filesystem state: clean
- Errors behavior: Continue
- Filesystem OS type: Linux
- Inode count: 366215168
- Block count: 2929721344
- Reserved block count: 146486067
- Free blocks: 152880604
- Free inodes: 362944919
- First block: 0
- Block size: 4096
- Fragment size: 4096
- Group descriptor size: 64
- Reserved GDT blocks: 651
- Blocks per group: 32768
- Fragments per group: 32768
- Inodes per group: 4096
- Inode blocks per group: 256
- RAID stripe width: 8191
- Flex block group size: 16
- Filesystem created: Thu Jan 17 21:15:52 2019
- Last mount time: Sun Dec 15 15:50:20 2019
- Last write time: Wed Jan 1 15:22:47 2020
- Mount count: 0
- Maximum mount count: -1
- Last checked: Wed Jan 1 15:22:47 2020
- Check interval: 0 (<none>)
- Lifetime writes: 40 TB
- Reserved blocks uid: 0 (user root)
- Reserved blocks gid: 0 (group root)
- First inode: 11
- Inode size: 256
- Required extra isize: 32
- Desired extra isize: 32
- Journal inode: 8
- Default directory hash: half_md4
- Directory Hash Seed: 3921af50-80c9-4025-a8e3-2879f6242a00
- Journal backup: inode blocks
- Checksum type: crc32c
- Checksum: 0x076ba175
- [root@localhost ~]#
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