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