dumpe2fs - USB3.0_Port3_B
dumpe2fs 1.44.1 (24-Mar-2018)
Filesystem volume name: SSD1
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: unsigned_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 6660096
Block count: 26611456
Reserved block count: 1330572
Free blocks: 22952134
Free inodes: 6447930
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 1024
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 Jan 28 16:00:02 2018
Last mount time: Tue Aug 31 06:45:09 2021
Last write time: Tue Aug 31 06:45:09 2021
Mount count: 27
Maximum mount count: -1
Last checked: Sun Jan 28 16:00:02 2018
Check interval: 0 ()
Lifetime writes: 300 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
First orphan inode: 6422566
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x70e9b8ef
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 512M
Journal length: 131072
Journal sequence: 0x0000bada
Journal start: 1
Journal checksum type: crc32c
Journal checksum: 0xadf71c10