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