dumpe2fs - Samsung 850 EVO 250GB
dumpe2fs 1.45.6 (20-Mar-2020)
Filesystem volume name:
Last mounted on: /t
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 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: 15269888
Block count: 61049344
Reserved block count: 3052467
Free blocks: 59813722
Free inodes: 15269877
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 1009
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Thu Jan 28 08:51:38 2021
Last mount time: Thu Jan 28 08:55:36 2021
Last write time: Thu Jan 28 08:55:36 2021
Mount count: 1
Maximum mount count: -1
Last checked: Thu Jan 28 08:51:38 2021
Check interval: 0 ()
Lifetime writes: 4561 kB
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
Checksum type: crc32c
Checksum: 0xc61072a4
Journal features: journal_incompat_revoke journal_checksum_v3
Journal size: 1024M
Journal length: 262144
Journal sequence: 0x0001cc47
Journal start: 19963
Journal checksum type: crc32c
Journal checksum: 0x5ea1ed16