dumpe2fs - sandybridge-4cpu-noflags
dumpe2fs 1.44.5 (15-Dec-2018)
Filesystem volume name:
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: 1048576
Block count: 4194048
Reserved block count: 209702
Free blocks: 3361743
Free inodes: 992022
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: Wed Mar 11 10:05:17 2020
Last mount time: Tue Feb 9 12:18:55 2021
Last write time: Tue Feb 9 12:18:54 2021
Mount count: 38
Maximum mount count: -1
Last checked: Wed Mar 11 10:05:17 2020
Check interval: 0 ()
Lifetime writes: 29 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: 796367
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xe0cfbe83
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 64M
Journal length: 16384
Journal sequence: 0x0000e58f
Journal start: 8433
Journal checksum type: crc32c
Journal checksum: 0x0109c42b