dumpe2fs - NFS on RS3621xs+
dumpe2fs 1.46.2 (28-Feb-2021)
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: 3801840
Block count: 15206400
Reserved block count: 760320
Free blocks: 9404254
Free inodes: 3675474
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: 8176
Inode blocks per group: 511
Flex block group size: 16
Filesystem created: Fri May 15 15:04:03 2020
Last mount time: Wed Aug 25 09:09:14 2021
Last write time: Wed Aug 25 09:09:14 2021
Mount count: 69
Maximum mount count: -1
Last checked: Fri May 15 15:04:03 2020
Check interval: 0 ()
Lifetime writes: 5549 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: 785011
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x4d7157e9
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Total journal size: 256M
Total journal blocks: 65536
Max transaction length: 65536
Fast commit length: 0
Journal sequence: 0x001e8986
Journal start: 23786
Journal checksum type: crc32c
Journal checksum: 0xa6e44658