dumpe2fs - 2 x AMD EPYC 7742 64-Core
dumpe2fs 1.45.5 (07-Jan-2020)
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: 234389504
Block count: 937553152
Reserved block count: 46877657
Free blocks: 886153783
Free inodes: 233282579
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 Sep 27 14:24:15 2020
Last mount time: Tue Mar 9 14:58:14 2021
Last write time: Tue Mar 9 14:58:13 2021
Mount count: 31
Maximum mount count: -1
Last checked: Sun Sep 27 14:24:15 2020
Check interval: 0 ()
Lifetime writes: 24 TB
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: 95291339
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0xb750e04b
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 1024M
Journal length: 262144
Journal sequence: 0x001baeb8
Journal start: 252871
Journal checksum type: crc32c
Journal checksum: 0x2734ca43