Package: e2fsprogs
Version: 1.40.2-1+lenny1
Severity: normal

filefrag reports a better-than-perfect number of extents for a large
file (21G) on my hard disk:

"170 extents found, perfection would be 174 extents"

The full output of `filefrag -v backup-hda2-2007-10-16.lzop' is below.
Please let me know if I can supply any more helpful information.

Checking backup-hda2-2007-10-16.lzop
Filesystem type is: ef53
Filesystem cylinder groups is approximately 3668
Blocksize of file backup-hda2-2007-10-16.lzop is 4096
File size of backup-hda2-2007-10-16.lzop is 21866136419 (5338413 blocks)
First block: 8433087
Last block: 20617162
Discontinuity: Block 4667 is at 15139330 (was 8437759)
Discontinuity: Block 4673 is at 15141749 (was 15139335)
Discontinuity: Block 34479 is at 15172104 (was 15171583)
Discontinuity: Block 66695 is at 15204872 (was 15204351)
Discontinuity: Block 98912 is at 15237640 (was 15237119)
Discontinuity: Block 131128 is at 15270408 (was 15269887)
Discontinuity: Block 163345 is at 15303176 (was 15302655)
Discontinuity: Block 195562 is at 15335944 (was 15335423)
Discontinuity: Block 227778 is at 15368712 (was 15368191)
Discontinuity: Block 259995 is at 15401480 (was 15400959)
Discontinuity: Block 292211 is at 15434248 (was 15433727)
Discontinuity: Block 324428 is at 15467016 (was 15466495)
Discontinuity: Block 356644 is at 15499784 (was 15499263)
Discontinuity: Block 388861 is at 15532552 (was 15532031)
Discontinuity: Block 421077 is at 15565320 (was 15564799)
Discontinuity: Block 453294 is at 15598088 (was 15597567)
Discontinuity: Block 485510 is at 15630856 (was 15630335)
Discontinuity: Block 517727 is at 15663624 (was 15663103)
Discontinuity: Block 549943 is at 15696392 (was 15695871)
Discontinuity: Block 582160 is at 15729160 (was 15728639)
Discontinuity: Block 614377 is at 15761928 (was 15761407)
Discontinuity: Block 646593 is at 15794696 (was 15794175)
Discontinuity: Block 678810 is at 15827464 (was 15826943)
Discontinuity: Block 711026 is at 15860232 (was 15859711)
Discontinuity: Block 743243 is at 15893000 (was 15892479)
Discontinuity: Block 775459 is at 15925768 (was 15925247)
Discontinuity: Block 807676 is at 15958536 (was 15958015)
Discontinuity: Block 839892 is at 15991304 (was 15990783)
Discontinuity: Block 872109 is at 16024072 (was 16023551)
Discontinuity: Block 904325 is at 16056840 (was 16056319)
Discontinuity: Block 936542 is at 16089608 (was 16089087)
Discontinuity: Block 968758 is at 16122376 (was 16121855)
Discontinuity: Block 1000975 is at 16155144 (was 16154623)
Discontinuity: Block 1033192 is at 16187912 (was 16187391)
Discontinuity: Block 1065406 is at 16220680 (was 16220159)
Discontinuity: Block 1097623 is at 16253448 (was 16252927)
Discontinuity: Block 1129839 is at 16286216 (was 16285695)
Discontinuity: Block 1162056 is at 16318984 (was 16318463)
Discontinuity: Block 1194272 is at 16351752 (was 16351231)
Discontinuity: Block 1226489 is at 16384520 (was 16383999)
Discontinuity: Block 1258705 is at 16417282 (was 16416767)
Discontinuity: Block 1290928 is at 16450056 (was 16449535)
Discontinuity: Block 1323144 is at 16482824 (was 16482303)
Discontinuity: Block 1355361 is at 16515592 (was 16515071)
Discontinuity: Block 1387577 is at 16548360 (was 16547839)
Discontinuity: Block 1419794 is at 16581128 (was 16580607)
Discontinuity: Block 1452011 is at 16613896 (was 16613375)
Discontinuity: Block 1484227 is at 16646664 (was 16646143)
Discontinuity: Block 1516444 is at 16679432 (was 16678911)
Discontinuity: Block 1548660 is at 16712200 (was 16711679)
Discontinuity: Block 1580877 is at 16744968 (was 16744447)
Discontinuity: Block 1613093 is at 16777736 (was 16777215)
Discontinuity: Block 1645310 is at 16810504 (was 16809983)
Discontinuity: Block 1677526 is at 16843272 (was 16842751)
Discontinuity: Block 1709743 is at 16876040 (was 16875519)
Discontinuity: Block 1741959 is at 16908808 (was 16908287)
Discontinuity: Block 1774176 is at 16941576 (was 16941055)
Discontinuity: Block 1806392 is at 16974344 (was 16973823)
Discontinuity: Block 1838609 is at 17007112 (was 17006591)
Discontinuity: Block 1870826 is at 17039880 (was 17039359)
Discontinuity: Block 1903042 is at 17072648 (was 17072127)
Discontinuity: Block 1935259 is at 17105416 (was 17104895)
Discontinuity: Block 1967475 is at 17138184 (was 17137663)
Discontinuity: Block 1999692 is at 17170952 (was 17170431)
Discontinuity: Block 2031908 is at 17203720 (was 17203199)
Discontinuity: Block 2064125 is at 17236488 (was 17235967)
Discontinuity: Block 2096341 is at 17269256 (was 17268735)
Discontinuity: Block 2128557 is at 17302024 (was 17301503)
Discontinuity: Block 2160773 is at 17334792 (was 17334271)
Discontinuity: Block 2192990 is at 17367560 (was 17367039)
Discontinuity: Block 2225206 is at 17400328 (was 17399807)
Discontinuity: Block 2257423 is at 17433096 (was 17432575)
Discontinuity: Block 2289640 is at 17465864 (was 17465343)
Discontinuity: Block 2321856 is at 17498632 (was 17498111)
Discontinuity: Block 2354073 is at 17531400 (was 17530879)
Discontinuity: Block 2386289 is at 17564168 (was 17563647)
Discontinuity: Block 2418506 is at 17596936 (was 17596415)
Discontinuity: Block 2450722 is at 17629704 (was 17629183)
Discontinuity: Block 2482939 is at 17662472 (was 17661951)
Discontinuity: Block 2515155 is at 17695240 (was 17694719)
Discontinuity: Block 2547372 is at 17728008 (was 17727487)
Discontinuity: Block 2579588 is at 17793538 (was 17760255)
Discontinuity: Block 2579594 is at 17809908 (was 17793543)
Discontinuity: Block 2595463 is at 17826312 (was 17825791)
Discontinuity: Block 2627679 is at 17859080 (was 17858559)
Discontinuity: Block 2659896 is at 17891848 (was 17891327)
Discontinuity: Block 2692112 is at 17924616 (was 17924095)
Discontinuity: Block 2724329 is at 17957384 (was 17956863)
Discontinuity: Block 2756546 is at 17990152 (was 17989631)
Discontinuity: Block 2788762 is at 18022920 (was 18022399)
Discontinuity: Block 2820979 is at 18055688 (was 18055167)
Discontinuity: Block 2853195 is at 18088456 (was 18087935)
Discontinuity: Block 2885412 is at 18121224 (was 18120703)
Discontinuity: Block 2917628 is at 18153992 (was 18153471)
Discontinuity: Block 2949845 is at 18186760 (was 18186239)
Discontinuity: Block 2982061 is at 18219528 (was 18219007)
Discontinuity: Block 3014278 is at 18252296 (was 18251775)
Discontinuity: Block 3046494 is at 18285064 (was 18284543)
Discontinuity: Block 3078711 is at 18317832 (was 18317311)
Discontinuity: Block 3110927 is at 18350600 (was 18350079)
Discontinuity: Block 3143144 is at 18383368 (was 18382847)
Discontinuity: Block 3175360 is at 18416136 (was 18415615)
Discontinuity: Block 3207576 is at 18448904 (was 18448383)
Discontinuity: Block 3239793 is at 18481672 (was 18481151)
Discontinuity: Block 3272009 is at 18514440 (was 18513919)
Discontinuity: Block 3304226 is at 18547208 (was 18546687)
Discontinuity: Block 3336442 is at 18579976 (was 18579455)
Discontinuity: Block 3368659 is at 18612744 (was 18612223)
Discontinuity: Block 3400875 is at 18645512 (was 18644991)
Discontinuity: Block 3433092 is at 18678280 (was 18677759)
Discontinuity: Block 3465308 is at 18711048 (was 18710527)
Discontinuity: Block 3497525 is at 18743816 (was 18743295)
Discontinuity: Block 3529741 is at 18776584 (was 18776063)
Discontinuity: Block 3561958 is at 18809352 (was 18808831)
Discontinuity: Block 3594175 is at 18842120 (was 18841599)
Discontinuity: Block 3626391 is at 18874888 (was 18874367)
Discontinuity: Block 3658608 is at 18907656 (was 18907135)
Discontinuity: Block 3690824 is at 18940424 (was 18939903)
Discontinuity: Block 3723041 is at 18973192 (was 18972671)
Discontinuity: Block 3755257 is at 19005960 (was 19005439)
Discontinuity: Block 3787474 is at 19038728 (was 19038207)
Discontinuity: Block 3819690 is at 19071496 (was 19070975)
Discontinuity: Block 3851907 is at 19104264 (was 19103743)
Discontinuity: Block 3884123 is at 19137032 (was 19136511)
Discontinuity: Block 3916340 is at 19169800 (was 19169279)
Discontinuity: Block 3948556 is at 19202568 (was 19202047)
Discontinuity: Block 3980773 is at 19235336 (was 19234815)
Discontinuity: Block 4012990 is at 19268104 (was 19267583)
Discontinuity: Block 4045206 is at 19300872 (was 19300351)
Discontinuity: Block 4077423 is at 19333640 (was 19333119)
Discontinuity: Block 4109639 is at 19366408 (was 19365887)
Discontinuity: Block 4141856 is at 19399176 (was 19398655)
Discontinuity: Block 4174072 is at 19431944 (was 19431423)
Discontinuity: Block 4206288 is at 19464712 (was 19464191)
Discontinuity: Block 4238504 is at 19497480 (was 19496959)
Discontinuity: Block 4270721 is at 19530248 (was 19529727)
Discontinuity: Block 4302937 is at 19563016 (was 19562495)
Discontinuity: Block 4335154 is at 19595784 (was 19595263)
Discontinuity: Block 4367371 is at 19628552 (was 19628031)
Discontinuity: Block 4399587 is at 19661320 (was 19660799)
Discontinuity: Block 4431804 is at 19694088 (was 19693567)
Discontinuity: Block 4464020 is at 19726856 (was 19726335)
Discontinuity: Block 4496237 is at 19759624 (was 19759103)
Discontinuity: Block 4528453 is at 19792392 (was 19791871)
Discontinuity: Block 4560670 is at 19825160 (was 19824639)
Discontinuity: Block 4592886 is at 19857928 (was 19857407)
Discontinuity: Block 4625103 is at 19890696 (was 19890175)
Discontinuity: Block 4657319 is at 19923464 (was 19922943)
Discontinuity: Block 4689536 is at 19956232 (was 19955711)
Discontinuity: Block 4721752 is at 19989000 (was 19988479)
Discontinuity: Block 4753969 is at 20021768 (was 20021247)
Discontinuity: Block 4786186 is at 20054536 (was 20054015)
Discontinuity: Block 4818402 is at 20087304 (was 20086783)
Discontinuity: Block 4850619 is at 20120072 (was 20119551)
Discontinuity: Block 4882835 is at 20152840 (was 20152319)
Discontinuity: Block 4915052 is at 20185608 (was 20185087)
Discontinuity: Block 4947268 is at 20218376 (was 20217855)
Discontinuity: Block 4979485 is at 20251144 (was 20250623)
Discontinuity: Block 5011701 is at 20283912 (was 20283391)
Discontinuity: Block 5043918 is at 20316680 (was 20316159)
Discontinuity: Block 5076134 is at 20349448 (was 20348927)
Discontinuity: Block 5108351 is at 20382216 (was 20381695)
Discontinuity: Block 5140567 is at 20414984 (was 20414463)
Discontinuity: Block 5172784 is at 20447752 (was 20447231)
Discontinuity: Block 5205001 is at 20481539 (was 20479999)
Discontinuity: Block 5236199 is at 20513288 (was 20512767)
Discontinuity: Block 5268415 is at 20546056 (was 20545535)
Discontinuity: Block 5300631 is at 20578824 (was 20578303)
Discontinuity: Block 5332848 is at 20611592 (was 20611071)
backup-hda2-2007-10-16.lzop: 170 extents found, perfection would be 174 extents

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (650, 'testing'), (600, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.22-3-686 (SMP w/1 CPU core)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages e2fsprogs depends on:
ii  e2fslibs                 1.40.2-1+lenny1 ext2 filesystem libraries
ii  libblkid1                1.40.2-1+lenny1 block device id library
ii  libc6                    2.7-4           GNU C Library: Shared libraries
ii libcomerr2 1.40.2-1+lenny1 common error description library ii libss2 1.40.2-1+lenny1 command-line interface parsing lib
ii  libuuid1                 1.40.2-1+lenny1 universally unique id library

e2fsprogs recommends no packages.

-- debconf-show failed



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