1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
tune2fs dangerous prompts test
Creating filesystem with 524288 1k blocks and 65536 inodes
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Creating 445 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information: done
tune2fs -O metadata_csum test.img
This operation requires a freshly checked filesystem.
Please run e2fsck -f on the filesystem.
Exit status is 1
tune2fs -O metadata_csum test.img
Exit status is 0
Creating filesystem with 524288 1k blocks and 65536 inodes
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Creating 445 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information: done
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Exit status is 0
tune2fs -O metadata_csum test.img
Enabling checksums could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N)
Exit status is 1
tune2fs -I 512 test.img
Resizing inodes could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N)
Exit status is 1
Change in FS metadata:
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Exit status is 0
tune2fs -O metadata_csum test.img
Enabling checksums could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N)
This operation requires a freshly checked filesystem.
Please run e2fsck -fD on the filesystem.
Exit status is 0
test_filesys was not cleanly unmounted, check forced.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 3A: Optimizing directories
Pass 4: Checking reference counts
Pass 5: Checking group summary information
tune2fs -I 512 test.img
Resizing inodes could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N) Setting inode size 512
Exit status is 0
tune2fs -U f0f0f0f0-f0f0-f0f0-f0f0-f0f0f0f0f0f0 test.img
Setting the UUID on this filesystem could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N) Exit status is 0
Backing up journal inode block information.
Change in FS metadata:
@@ -1,3 +1,3 @@
-Filesystem UUID: 6fc3daa4-180d-4f2b-a6f2-f7a5efb79bcf
-Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
-Inode size: 256
+Filesystem UUID: f0f0f0f0-f0f0-f0f0-f0f0-f0f0f0f0f0f0
+Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
+Inode size: 512
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Exit status is 0
Testing with metadata checksum enabled
Creating filesystem with 524288 1k blocks and 65536 inodes
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Creating 445 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information: done
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Exit status is 0
tune2fs -U random test.img
Setting the UUID on this filesystem could take some time.
Proceed anyway (or wait 5 seconds to proceed) ? (y,N)
Exit status is 1
|
