Messages in this thread | | | Date | Fri, 23 Jul 1999 22:56:37 +0200 | From | Frank van Maarseveen <> | Subject | Re: unusual ext2 FS corruption -- for statistics |
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On Fri, Jul 23, 1999 at 07:45:42PM +0200, Manfred Spraul wrote: > How is your swap space organized? /etc/fstab contains: /dev/sda1 swap swap defaults 0 0 /dev/sda2 / ext2 grpid 1 1
fdisk -l /dev/sda says: Disk /dev/sda: 64 heads, 32 sectors, 1034 cylinders Units = cylinders of 2048 * 512 bytes
Device Boot Start End Blocks Id System /dev/sda1 1 129 132080 82 Linux swap /dev/sda2 130 1034 926720 83 Linux native
> > Do you still have the dump? We haven't made a dump of the entire partition but the system has no activity and we're looking directly in /dev/sda2 while in runlevel 3 (RH 5.1 + numerous updates).
> How many data block were corrupted/look unusual? > 8 blocks (i.e. 4 kB), or less? I recall about 20 corrupt inodes (estimated guess from what I saw in /lost+found -- this has all been cleared by debugfs) and two remaining ones which still do exist because fsck doesn't consider them unusual (even e2fsprogs-1.15-0 doesn't). See another posting for more info about the second corruption case.
> what's the block size of the ext2 volume? mke2fs has been used with the default block size. debugfs "stats" says:
Volume name = (none) Last mounted directory = (none) Filesystem UUID = b80869a2-4d85-11d2-8ef5-0020afc8ed08 Last mount time = Fri Jul 23 14:45:09 1999 Last write time = Fri Jul 23 22:36:55 1999 Mount counts = 3 (maximal = 20) Filesystem OS type = Linux Superblock size = 1024 Block size = 1024, fragment size = 1024 Inode size = 128 232560 inodes, 192783 free 926720 blocks, 131297 free, 9267 reserved, first block = 1 8192 blocks per group 8192 fragments per group 2040 inodes per group 114 groups (4 descriptors blocks) Group 0: block bitmap at 6, inode bitmap at 7, inode table at 8 20 free blocks, 1663 free inodes, 20 used directories Group 1: block bitmap at 8198, inode bitmap at 8199, inode table at 8200 0 free blocks, 1674 free inodes, 76 used directories Group 2: block bitmap at 16390, inode bitmap at 16391, inode table at 16392 18 free blocks, 1089 free inodes, 7 used directories Group 3: block bitmap at 24582, inode bitmap at 24583, inode table at 24584 1 free block, 1677 free inodes, 16 used directories Group 4: block bitmap at 32774, inode bitmap at 32775, inode table at 32776 0 free blocks, 1677 free inodes, 27 used directories Group 5: block bitmap at 40966, inode bitmap at 40967, inode table at 40968 912 free blocks, 1623 free inodes, 15 used directories Group 6: block bitmap at 49158, inode bitmap at 49159, inode table at 49160 3182 free blocks, 1660 free inodes, 9 used directories Group 7: block bitmap at 57350, inode bitmap at 57351, inode table at 57352 16 free blocks, 1670 free inodes, 19 used directories Group 8: block bitmap at 65542, inode bitmap at 65543, inode table at 65544 1931 free blocks, 1629 free inodes, 28 used directories Group 9: block bitmap at 73734, inode bitmap at 73735, inode table at 73736 5856 free blocks, 1588 free inodes, 11 used directories Group 10: block bitmap at 81926, inode bitmap at 81927, inode table at 81928 5940 free blocks, 1554 free inodes, 103 used directories Group 11: block bitmap at 90118, inode bitmap at 90119, inode table at 90120 6553 free blocks, 1569 free inodes, 40 used directories Group 12: block bitmap at 98310, inode bitmap at 98311, inode table at 98312 6003 free blocks, 1654 free inodes, 52 used directories Group 13: block bitmap at 106502, inode bitmap at 106503, inode table at 106504 4281 free blocks, 1682 free inodes, 43 used directories Group 14: block bitmap at 114694, inode bitmap at 114695, inode table at 114696 2530 free blocks, 1678 free inodes, 30 used directories Group 15: block bitmap at 122886, inode bitmap at 122887, inode table at 122888 15 free blocks, 1672 free inodes, 23 used directories Group 16: block bitmap at 131078, inode bitmap at 131079, inode table at 131080 0 free blocks, 1606 free inodes, 17 used directories Group 17: block bitmap at 139270, inode bitmap at 139271, inode table at 139272 0 free blocks, 1670 free inodes, 74 used directories Group 18: block bitmap at 147462, inode bitmap at 147463, inode table at 147464 0 free blocks, 1663 free inodes, 15 used directories Group 19: block bitmap at 155654, inode bitmap at 155655, inode table at 155656 0 free blocks, 1673 free inodes, 32 used directories Group 20: block bitmap at 163846, inode bitmap at 163847, inode table at 163848 1 free block, 1666 free inodes, 24 used directories Group 21: block bitmap at 172038, inode bitmap at 172039, inode table at 172040 20 free blocks, 1835 free inodes, 13 used directories Group 22: block bitmap at 180230, inode bitmap at 180231, inode table at 180232 0 free blocks, 1609 free inodes, 37 used directories Group 23: block bitmap at 188422, inode bitmap at 188423, inode table at 188424 0 free blocks, 1706 free inodes, 29 used directories Group 24: block bitmap at 196614, inode bitmap at 196615, inode table at 196616 0 free blocks, 1695 free inodes, 51 used directories Group 25: block bitmap at 204806, inode bitmap at 204807, inode table at 204808 0 free blocks, 1683 free inodes, 16 used directories Group 26: block bitmap at 212998, inode bitmap at 212999, inode table at 213000 0 free blocks, 1889 free inodes, 16 used directories Group 27: block bitmap at 221190, inode bitmap at 221191, inode table at 221192 0 free blocks, 1499 free inodes, 46 used directories Group 28: block bitmap at 229382, inode bitmap at 229383, inode table at 229384 0 free blocks, 1127 free inodes, 13 used directories Group 29: block bitmap at 237574, inode bitmap at 237575, inode table at 237576 663 free blocks, 1912 free inodes, 13 used directories Group 30: block bitmap at 245766, inode bitmap at 245767, inode table at 245768 0 free blocks, 1736 free inodes, 50 used directories Group 31: block bitmap at 253958, inode bitmap at 253959, inode table at 253960 567 free blocks, 1402 free inodes, 40 used directories Group 32: block bitmap at 262150, inode bitmap at 262151, inode table at 262152 0 free blocks, 1686 free inodes, 14 used directories Group 33: block bitmap at 270342, inode bitmap at 270343, inode table at 270344 0 free blocks, 1790 free inodes, 21 used directories Group 34: block bitmap at 278534, inode bitmap at 278535, inode table at 278536 0 free blocks, 1624 free inodes, 51 used directories Group 35: block bitmap at 286726, inode bitmap at 286727, inode table at 286728 0 free blocks, 1701 free inodes, 12 used directories Group 36: block bitmap at 294918, inode bitmap at 294919, inode table at 294920 0 free blocks, 2005 free inodes, 4 used directories Group 37: block bitmap at 303110, inode bitmap at 303111, inode table at 303112 0 free blocks, 1740 free inodes, 49 used directories Group 38: block bitmap at 311302, inode bitmap at 311303, inode table at 311304 0 free blocks, 1649 free inodes, 31 used directories Group 39: block bitmap at 319494, inode bitmap at 319495, inode table at 319496 0 free blocks, 1587 free inodes, 34 used directories Group 40: block bitmap at 327686, inode bitmap at 327687, inode table at 327688 0 free blocks, 1687 free inodes, 34 used directories Group 41: block bitmap at 335878, inode bitmap at 335879, inode table at 335880 0 free blocks, 1805 free inodes, 17 used directories Group 42: block bitmap at 344070, inode bitmap at 344071, inode table at 344072 0 free blocks, 1777 free inodes, 6 used directories Group 43: block bitmap at 352262, inode bitmap at 352263, inode table at 352264 0 free blocks, 2019 free inodes, 2 used directories Group 44: block bitmap at 360454, inode bitmap at 360455, inode table at 360456 0 free blocks, 2040 free inodes, 0 used directories Group 45: block bitmap at 368646, inode bitmap at 368647, inode table at 368648 0 free blocks, 1973 free inodes, 11 used directories Group 46: block bitmap at 376838, inode bitmap at 376839, inode table at 376840 0 free blocks, 1462 free inodes, 13 used directories Group 47: block bitmap at 385030, inode bitmap at 385031, inode table at 385032 0 free blocks, 1747 free inodes, 19 used directories Group 48: block bitmap at 393222, inode bitmap at 393223, inode table at 393224 0 free blocks, 1658 free inodes, 16 used directories Group 49: block bitmap at 401414, inode bitmap at 401415, inode table at 401416 0 free blocks, 1804 free inodes, 17 used directories Group 50: block bitmap at 409606, inode bitmap at 409607, inode table at 409608 0 free blocks, 1842 free inodes, 17 used directories Group 51: block bitmap at 417798, inode bitmap at 417799, inode table at 417800 0 free blocks, 1866 free inodes, 11 used directories Group 52: block bitmap at 425990, inode bitmap at 425991, inode table at 425992 0 free blocks, 1998 free inodes, 2 used directories Group 53: block bitmap at 434182, inode bitmap at 434183, inode table at 434184 0 free blocks, 1643 free inodes, 20 used directories Group 54: block bitmap at 442374, inode bitmap at 442375, inode table at 442376 0 free blocks, 1681 free inodes, 21 used directories Group 55: block bitmap at 450566, inode bitmap at 450567, inode table at 450568 0 free blocks, 1611 free inodes, 20 used directories Group 56: block bitmap at 458758, inode bitmap at 458759, inode table at 458760 3317 free blocks, 1600 free inodes, 30 used directories Group 57: block bitmap at 466950, inode bitmap at 466951, inode table at 466952 2448 free blocks, 1669 free inodes, 32 used directories Group 58: block bitmap at 475142, inode bitmap at 475143, inode table at 475144 0 free blocks, 1570 free inodes, 22 used directories Group 59: block bitmap at 483334, inode bitmap at 483335, inode table at 483336 0 free blocks, 1616 free inodes, 29 used directories Group 60: block bitmap at 491526, inode bitmap at 491527, inode table at 491528 2075 free blocks, 1678 free inodes, 7 used directories Group 61: block bitmap at 499718, inode bitmap at 499719, inode table at 499720 878 free blocks, 1660 free inodes, 15 used directories Group 62: block bitmap at 507910, inode bitmap at 507911, inode table at 507912 0 free blocks, 960 free inodes, 3 used directories Group 63: block bitmap at 516102, inode bitmap at 516103, inode table at 516104 0 free blocks, 2024 free inodes, 2 used directories Group 64: block bitmap at 524294, inode bitmap at 524295, inode table at 524296 0 free blocks, 1866 free inodes, 3 used directories Group 65: block bitmap at 532486, inode bitmap at 532487, inode table at 532488 0 free blocks, 1761 free inodes, 26 used directories Group 66: block bitmap at 540678, inode bitmap at 540679, inode table at 540680 0 free blocks, 1890 free inodes, 18 used directories Group 67: block bitmap at 548870, inode bitmap at 548871, inode table at 548872 1696 free blocks, 1764 free inodes, 33 used directories Group 68: block bitmap at 557062, inode bitmap at 557063, inode table at 557064 25 free blocks, 1581 free inodes, 46 used directories Group 69: block bitmap at 565254, inode bitmap at 565255, inode table at 565256 0 free blocks, 1608 free inodes, 9 used directories Group 70: block bitmap at 573446, inode bitmap at 573447, inode table at 573448 0 free blocks, 1841 free inodes, 14 used directories Group 71: block bitmap at 581638, inode bitmap at 581639, inode table at 581640 0 free blocks, 1682 free inodes, 30 used directories Group 72: block bitmap at 589830, inode bitmap at 589831, inode table at 589832 451 free blocks, 1617 free inodes, 23 used directories Group 73: block bitmap at 598022, inode bitmap at 598023, inode table at 598024 5499 free blocks, 1656 free inodes, 15 used directories Group 74: block bitmap at 606214, inode bitmap at 606215, inode table at 606216 4090 free blocks, 1656 free inodes, 14 used directories Group 75: block bitmap at 614406, inode bitmap at 614407, inode table at 614408 0 free blocks, 1954 free inodes, 16 used directories Group 76: block bitmap at 622598, inode bitmap at 622599, inode table at 622600 38 free blocks, 1840 free inodes, 19 used directories Group 77: block bitmap at 630790, inode bitmap at 630791, inode table at 630792 1 free block, 1792 free inodes, 27 used directories Group 78: block bitmap at 638982, inode bitmap at 638983, inode table at 638984 24 free blocks, 1998 free inodes, 10 used directories Group 79: block bitmap at 647174, inode bitmap at 647175, inode table at 647176 19 free blocks, 1643 free inodes, 5 used directories Group 80: block bitmap at 655366, inode bitmap at 655367, inode table at 655368 15 free blocks, 1988 free inodes, 11 used directories Group 81: block bitmap at 663558, inode bitmap at 663559, inode table at 663560 0 free blocks, 1839 free inodes, 1 used directory Group 82: block bitmap at 671750, inode bitmap at 671751, inode table at 671752 0 free blocks, 1521 free inodes, 10 used directories Group 83: block bitmap at 679942, inode bitmap at 679943, inode table at 679944 0 free blocks, 1932 free inodes, 13 used directories Group 84: block bitmap at 688134, inode bitmap at 688135, inode table at 688136 1 free block, 1881 free inodes, 21 used directories Group 85: block bitmap at 696326, inode bitmap at 696327, inode table at 696328 0 free blocks, 1916 free inodes, 8 used directories Group 86: block bitmap at 704518, inode bitmap at 704519, inode table at 704520 20 free blocks, 1908 free inodes, 4 used directories Group 87: block bitmap at 712710, inode bitmap at 712711, inode table at 712712 5 free blocks, 1859 free inodes, 13 used directories Group 88: block bitmap at 720902, inode bitmap at 720903, inode table at 720904 0 free blocks, 1793 free inodes, 18 used directories Group 89: block bitmap at 729094, inode bitmap at 729095, inode table at 729096 0 free blocks, 1806 free inodes, 14 used directories Group 90: block bitmap at 737286, inode bitmap at 737287, inode table at 737288 0 free blocks, 1762 free inodes, 31 used directories Group 91: block bitmap at 745478, inode bitmap at 745479, inode table at 745480 1 free block, 1744 free inodes, 26 used directories Group 92: block bitmap at 753670, inode bitmap at 753671, inode table at 753672 0 free blocks, 1652 free inodes, 14 used directories Group 93: block bitmap at 761862, inode bitmap at 761863, inode table at 761864 32 free blocks, 1665 free inodes, 53 used directories Group 94: block bitmap at 770054, inode bitmap at 770055, inode table at 770056 5520 free blocks, 1659 free inodes, 13 used directories Group 95: block bitmap at 778246, inode bitmap at 778247, inode table at 778248 6091 free blocks, 1673 free inodes, 19 used directories Group 96: block bitmap at 786438, inode bitmap at 786439, inode table at 786440 5674 free blocks, 1668 free inodes, 18 used directories Group 97: block bitmap at 794630, inode bitmap at 794631, inode table at 794632 530 free blocks, 1676 free inodes, 57 used directories Group 98: block bitmap at 802822, inode bitmap at 802823, inode table at 802824 5517 free blocks, 1640 free inodes, 13 used directories Group 99: block bitmap at 811014, inode bitmap at 811015, inode table at 811016 6122 free blocks, 1802 free inodes, 28 used directories Group 100: block bitmap at 819206, inode bitmap at 819207, inode table at 819208 2 free blocks, 1809 free inodes, 9 used directories Group 101: block bitmap at 827398, inode bitmap at 827399, inode table at 827400 10 free blocks, 1622 free inodes, 41 used directories Group 102: block bitmap at 835590, inode bitmap at 835591, inode table at 835592 1884 free blocks, 1634 free inodes, 39 used directories Group 103: block bitmap at 843782, inode bitmap at 843783, inode table at 843784 1274 free blocks, 1673 free inodes, 15 used directories Group 104: block bitmap at 851974, inode bitmap at 851975, inode table at 851976 7909 free blocks, 684 free inodes, 4 used directories Group 105: block bitmap at 860166, inode bitmap at 860167, inode table at 860168 5820 free blocks, 1691 free inodes, 8 used directories Group 106: block bitmap at 868358, inode bitmap at 868359, inode table at 868360 3832 free blocks, 1626 free inodes, 15 used directories Group 107: block bitmap at 876550, inode bitmap at 876551, inode table at 876552 5497 free blocks, 1690 free inodes, 12 used directories Group 108: block bitmap at 884742, inode bitmap at 884743, inode table at 884744 5003 free blocks, 1057 free inodes, 4 used directories Group 109: block bitmap at 892934, inode bitmap at 892935, inode table at 892936 6086 free blocks, 1690 free inodes, 28 used directories Group 110: block bitmap at 901126, inode bitmap at 901127, inode table at 901128 5374 free blocks, 1601 free inodes, 26 used directories Group 111: block bitmap at 909318, inode bitmap at 909319, inode table at 909320 8 free blocks, 1285 free inodes, 11 used directories Group 112: block bitmap at 917510, inode bitmap at 917511, inode table at 917512 0 free blocks, 1846 free inodes, 7 used directories Group 113: block bitmap at 925702, inode bitmap at 925703, inode table at 925704 0 free blocks, 2040 free inodes, 0 used directories
-- Frank
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