Phillip Susi writes: > Wait, what do you mean the inode nr changes? I thought the whole point > of the block donating thing was that you get a contiguous set of blocks > in the new file, then transfer those blocks back to the old inode so > that the inode number and timestamps of the file don't change. I just tested this with e4defrag and the inode nr does not change. Oddly, it refused to improve my archived journals which had 12-15 fragments. I finally found /var/log/btmp.1 which despite being less than 8mb had several hundred fragments. e4defrag got it down to 1 fragment, but for some reason, it is still described by 3 separate entries in the extent tree. Looking at the archived journals though, I wonder why am I seeing so many unwritten areas? Just the last extent of this file has nearly 4 mb that were never written to. This system has never had an unexpected shutdown. Attached is the extent map.
Filesystem type is: ef53 File size of system@13a67b4b418d4869b37247eda6ebe494-0000000000151338-0005b9ee46d7d4a9.journal is 117440512 (28672 blocks of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 0: 1712667.. 1712667: 1: 1: 1.. 2047: 1591168.. 1593214: 2047: 1712668: 2: 2048.. 2132: 3012608.. 3012692: 85: 1593215: 3: 2133.. 2139: 3012693.. 3012699: 7: unwritten 4: 2140.. 4095: 3012700.. 3014655: 1956: 5: 4096.. 6143: 3041280.. 3043327: 2048: 3014656: 6: 6144.. 8191: 3010560.. 3012607: 2048: 3043328: 7: 8192.. 9011: 3002368.. 3003187: 820: 3012608: 8: 9012.. 9013: 3003188.. 3003189: 2: unwritten 9: 9014.. 10239: 3003190.. 3004415: 1226: 10: 10240.. 11255: 3024896.. 3025911: 1016: 3004416: 11: 11256.. 11268: 3025912.. 3025924: 13: unwritten 12: 11269.. 11348: 3025925.. 3026004: 80: 13: 11349.. 11352: 3026005.. 3026008: 4: unwritten 14: 11353.. 11360: 3026009.. 3026016: 8: 15: 11361.. 11364: 3026017.. 3026020: 4: unwritten 16: 11365.. 11373: 3026021.. 3026029: 9: 17: 11374.. 11376: 3026030.. 3026032: 3: unwritten 18: 11377.. 11642: 3026033.. 3026298: 266: 19: 11643.. 11688: 3026299.. 3026344: 46: unwritten 20: 11689.. 11961: 3026345.. 3026617: 273: 21: 11962.. 11962: 3026618.. 3026618: 1: unwritten 22: 11963.. 12287: 3026619.. 3026943: 325: 23: 12288.. 12347: 3033088.. 3033147: 60: 3026944: 24: 12348.. 12381: 3033148.. 3033181: 34: unwritten 25: 12382.. 12466: 3033182.. 3033266: 85: 26: 12467.. 12503: 3033267.. 3033303: 37: unwritten 27: 12504.. 13007: 3033304.. 3033807: 504: 28: 13008.. 13024: 3033808.. 3033824: 17: unwritten 29: 13025.. 13044: 3033825.. 3033844: 20: 30: 13045.. 13061: 3033845.. 3033861: 17: unwritten 31: 13062.. 13081: 3033862.. 3033881: 20: 32: 13082.. 13098: 3033882.. 3033898: 17: unwritten 33: 13099.. 13642: 3033899.. 3034442: 544: 34: 13643.. 13648: 3034443.. 3034448: 6: unwritten 35: 13649.. 13655: 3034449.. 3034455: 7: 36: 13656.. 13660: 3034456.. 3034460: 5: unwritten 37: 13661.. 13667: 3034461.. 3034467: 7: 38: 13668.. 13673: 3034468.. 3034473: 6: unwritten 39: 13674.. 13680: 3034474.. 3034480: 7: 40: 13681.. 13685: 3034481.. 3034485: 5: unwritten 41: 13686.. 13692: 3034486.. 3034492: 7: 42: 13693.. 13698: 3034493.. 3034498: 6: unwritten 43: 13699.. 14276: 3034499.. 3035076: 578: 44: 14277.. 14277: 3035077.. 3035077: 1: unwritten 45: 14278.. 14458: 3035078.. 3035258: 181: 46: 14459.. 14529: 3035259.. 3035329: 71: unwritten 47: 14530.. 14570: 3035330.. 3035370: 41: 48: 14571.. 14641: 3035371.. 3035441: 71: unwritten 49: 14642.. 14928: 3035442.. 3035728: 287: 50: 14929.. 15002: 3035729.. 3035802: 74: unwritten 51: 15003.. 15837: 3035803.. 3036637: 835: 52: 15838.. 15915: 3036638.. 3036715: 78: unwritten 53: 15916.. 15972: 3036716.. 3036772: 57: 54: 15973.. 16050: 3036773.. 3036850: 78: unwritten 55: 16051.. 16083: 3036851.. 3036883: 33: 56: 16084.. 16161: 3036884.. 3036961: 78: unwritten 57: 16162.. 16194: 3036962.. 3036994: 33: 58: 16195.. 16272: 3036995.. 3037072: 78: unwritten 59: 16273.. 16306: 3037073.. 3037106: 34: 60: 16307.. 16383: 3037107.. 3037183: 77: unwritten 61: 16384.. 16417: 3229696.. 3229729: 34: 3037184: 62: 16418.. 16495: 3229730.. 3229807: 78: unwritten 63: 16496.. 16530: 3229808.. 3229842: 35: 64: 16531.. 16552: 3229843.. 3229864: 22: unwritten 65: 16553.. 16567: 3229865.. 3229879: 15: 66: 16568.. 16589: 3229880.. 3229901: 22: unwritten 67: 16590.. 17712: 3229902.. 3231024: 1123: 68: 17713.. 17734: 3231025.. 3231046: 22: unwritten 69: 17735.. 17837: 3231047.. 3231149: 103: 70: 17838.. 17919: 3231150.. 3231231: 82: unwritten 71: 17920.. 18178: 3231232.. 3231490: 259: 72: 18179.. 18262: 3231491.. 3231574: 84: unwritten 73: 18263.. 18431: 3231575.. 3231743: 169: 74: 18432.. 18493: 3049472.. 3049533: 62: 3231744: 75: 18494.. 18579: 3049534.. 3049619: 86: unwritten 76: 18580.. 18620: 3049620.. 3049660: 41: 77: 18621.. 18706: 3049661.. 3049746: 86: unwritten 78: 18707.. 18731: 3049747.. 3049771: 25: 79: 18732.. 18817: 3049772.. 3049857: 86: unwritten 80: 18818.. 18842: 3049858.. 3049882: 25: 81: 18843.. 18928: 3049883.. 3049968: 86: unwritten 82: 18929.. 18953: 3049969.. 3049993: 25: 83: 18954.. 19039: 3049994.. 3050079: 86: unwritten 84: 19040.. 19065: 3050080.. 3050105: 26: 85: 19066.. 19151: 3050106.. 3050191: 86: unwritten 86: 19152.. 19176: 3050192.. 3050216: 25: 87: 19177.. 19262: 3050217.. 3050302: 86: unwritten 88: 19263.. 19287: 3050303.. 3050327: 25: 89: 19288.. 19373: 3050328.. 3050413: 86: unwritten 90: 19374.. 19398: 3050414.. 3050438: 25: 91: 19399.. 19484: 3050439.. 3050524: 86: unwritten 92: 19485.. 19510: 3050525.. 3050550: 26: 93: 19511.. 19596: 3050551.. 3050636: 86: unwritten 94: 19597.. 19621: 3050637.. 3050661: 25: 95: 19622.. 19707: 3050662.. 3050747: 86: unwritten 96: 19708.. 19733: 3050748.. 3050773: 26: 97: 19734.. 19819: 3050774.. 3050859: 86: unwritten 98: 19820.. 19844: 3050860.. 3050884: 25: 99: 19845.. 19930: 3050885.. 3050970: 86: unwritten 100: 19931.. 19955: 3050971.. 3050995: 25: 101: 19956.. 20041: 3050996.. 3051081: 86: unwritten 102: 20042.. 20066: 3051082.. 3051106: 25: 103: 20067.. 20152: 3051107.. 3051192: 86: unwritten 104: 20153.. 20479: 3051193.. 3051519: 327: 105: 20480.. 20643: 3059712.. 3059875: 164: 3051520: 106: 20644.. 20645: 3059876.. 3059877: 2: unwritten 107: 20646.. 20746: 3059878.. 3059978: 101: 108: 20747.. 20835: 3059979.. 3060067: 89: unwritten 109: 20836.. 21152: 3060068.. 3060384: 317: 110: 21153.. 21247: 3060385.. 3060479: 95: unwritten 111: 21248.. 21675: 3060480.. 3060907: 428: 112: 21676.. 21959: 3060908.. 3061191: 284: unwritten 113: 21960.. 22008: 3061192.. 3061240: 49: 114: 22009.. 22292: 3061241.. 3061524: 284: unwritten 115: 22293.. 22342: 3061525.. 3061574: 50: 116: 22343.. 22527: 3061575.. 3061759: 185: unwritten 117: 22528.. 22626: 3090432.. 3090530: 99: 3061760: unwritten 118: 22627.. 22978: 3090531.. 3090882: 352: 119: 22979.. 23266: 3090883.. 3091170: 288: unwritten 120: 23267.. 23562: 3091171.. 3091466: 296: 121: 23563.. 23572: 3091467.. 3091476: 10: unwritten 122: 23573.. 23676: 3091477.. 3091580: 104: 123: 23677.. 23685: 3091581.. 3091589: 9: unwritten 124: 23686.. 23688: 3091590.. 3091592: 3: 125: 23689.. 23698: 3091593.. 3091602: 10: unwritten 126: 23699.. 23701: 3091603.. 3091605: 3: 127: 23702.. 23710: 3091606.. 3091614: 9: unwritten 128: 23711.. 23713: 3091615.. 3091617: 3: 129: 23714.. 23722: 3091618.. 3091626: 9: unwritten 130: 23723.. 24473: 3091627.. 3092377: 751: 131: 24474.. 24774: 3092378.. 3092678: 301: unwritten 132: 24775.. 26353: 3092679.. 3094257: 1579: 133: 26354.. 26363: 3094258.. 3094267: 10: unwritten 134: 26364.. 26365: 3094268.. 3094269: 2: 135: 26366.. 26376: 3094270.. 3094280: 11: unwritten 136: 26377.. 26499: 3094281.. 3094403: 123: 137: 26500.. 26623: 3094404.. 3094527: 124: unwritten 138: 26624.. 26825: 3055616.. 3055817: 202: 3094528: unwritten 139: 26826.. 27495: 3055818.. 3056487: 670: 140: 27496.. 27498: 3056488.. 3056490: 3: unwritten 141: 27499.. 27754: 3056491.. 3056746: 256: 142: 27755.. 28671: 3056747.. 3057663: 917: last,unwritten,eof system@13a67b4b418d4869b37247eda6ebe494-0000000000151338-0005b9ee46d7d4a9.journal: 13 extents found
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