dumpe2fs - aws-u20-c5-2x--ptsmemory
dumpe2fs 1.45.5 (07-Jan-2020)
Filesystem volume name: cloudimg-rootfs
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: 25600000
Block count: 52428539
Reserved block count: 0
Free blocks: 50485493
Free inodes: 25531302
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Reserved GDT blocks: 231
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 16000
Inode blocks per group: 1000
Flex block group size: 16
Filesystem created: Fri Jan 29 23:32:13 2021
Last mount time: Wed Feb 17 12:05:38 2021
Last write time: Fri Jan 29 23:34:20 2021
Mount count: 1
Maximum mount count: -1
Last checked: Fri Jan 29 23:34:20 2021
Check interval: 0 ()
Lifetime writes: 2263 MB
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: 15626
Default directory hash: half_md4
Journal backup: inode blocks
Checksum type: crc32c
Checksum: 0x5462d28c
Journal features: journal_incompat_revoke journal_64bit journal_checksum_v3
Journal size: 64M
Journal length: 16384
Journal sequence: 0x000029b5
Journal start: 13164
Journal checksum type: crc32c
Journal checksum: 0x189d5a47