dumpe2fs - 02
dumpe2fs 1.43.8 (1-Jan-2018)
Filesystem volume name: ROOT
Last mounted on: /
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: unsigned_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 1804800
Block count: 7670528
Reserved block count: 383513
Free blocks: 6275998
Free inodes: 1702562
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 206
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 7680
Inode blocks per group: 480
Flex block group size: 16
Filesystem created: Wed Oct 28 15:39:30 2020
Last mount time: Thu Jan 14 19:33:38 2021
Last write time: Thu Jan 14 19:33:35 2021
Mount count: 138
Maximum mount count: -1
Last checked: Mon Aug 3 14:27:01 2020
Check interval: 0 ()
Lifetime writes: 10 GB
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
Journal backup: inode blocks
Journal features: journal_incompat_revoke journal_64bit
Journal size: 32M
Journal length: 8192
Journal sequence: 0x00003a78
Journal start: 1