dumpe2fs - 1
dumpe2fs 1.45.5 (07-Jan-2020)
Filesystem volume name: cloudimg-rootfs
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 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: 3870720
Block count: 7836155
Reserved block count: 0
Overhead blocks: 261611
Free blocks: 7187777
Free inodes: 3802393
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 252
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 16128
Inode blocks per group: 1008
Flex block group size: 16
Filesystem created: Thu Aug 31 21:42:11 2023
Last mount time: Fri Oct 6 02:21:59 2023
Last write time: Thu Aug 31 21:45:54 2023
Mount count: 4
Maximum mount count: -1
Last checked: Thu Aug 31 21:42:11 2023
Check interval: 0 ()
Lifetime writes: 2325 MB
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
First orphan inode: 3610
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x26f5c69e
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 64M
Journal length: 16384
Journal sequence: 0x00128dd8
Journal start: 15971
Journal checksum type: crc32c
Journal checksum: 0xe24ffbc7