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    jADϥĤGɮרt (EXT2)
    XBG http://www.freeos.com/articles/3912/

    ĤGɮרt(ext2)

    ۱qڭ̶}lϥιqAjhӋϥΪ̳gϥιLɮסAӧڭ`O}wЦp󥿽Taxsɮ׷Pn_A ݰ_ӦGD`HAҥHڭ̬ݤ@ Linux @~tsɮרtyĤGt( ext2 )z AäFU譱γ~C

    oɮרtODnӦ۩ Andrew Tanenbaum Ҽg Minix ɮרtA]Oߤ@iΦbKO@~tɮרtA٤ MinixCӭץ Linux ҺDΪɮרtú٬ɮרtA{b Linux ɮרt٬ ext2 (ĤGɮרt)AOɮרtsä䴩sC(ACL)C

    Obۤs ext2 ɮרteAڭ̥FɮרtMW}pC
    • Block (϶)G ɮצbϺФQxsbӋTwjp϶A ϶jpq`O2Cbw]Aext2ɮרt϶jpO4KCsVܡA 4K줸œ@Ϻа϶ӨO̲zQjpAp@ɮתjpLkF4K줸œӋɡA ̫᪺Ϻа϶N|QOCb̤nҤlXGb㪺϶N@줸œQOC

      op@IޥApڭ̿ܤF@Ӹj϶AhpɮצӨ|@ǺϺЪŶQOC t~@譱Apڭ̨ϥΤ@ӫD`p϶AhϺа϶Ӌq|ӋW[A ]ɮצӨݦhjMɶCҥHAܰ϶jpTӫC

      S@ɮ׳QJOɡAϺа϶|QbDO餤we֨ϡAp̤wgܧFA ϶bweϤ|QAODirtyA NOoǰ϶gϺФӺϺФW϶ΦbDO餤϶@PʡD

    • SuperblockGsuperblock ObCɮרt}lmA xsT^OɮרtjpAŪM϶A̦U۪`ӋMLѦpơC nq@ɮרtsɮ׬ҶgLɮרtsuperblockCpGsuperblocklaFA iLkqϺФhoơC

    • Inode: ɮרtӨ@inodeObinode椤@ӶءC Inode]tFҦɮצ}TҦpW١BjpBs^ӋqBƫإߤAקΦsɶC ]]tFϺа϶ɮ׫V(pointer)CpointerOΨӰOɮ׳QxsbBC

    Ext2fsε{

    {bڭ̨Ӭݬݤ@NJALinuxext2fsprogsε{G
    • e2fsck
      oӵ{\ڭ̦bext2ɮרtWhɮרtˬdA^OWindows Scandisk@ˡAoO@R󦳮Ītˬd覡CbAڭ̥iH[W@ɮצW٨ˬdWla϶C

      ĵi:ʎ藍nbwɮרtW e2fsck/fsckCpڭ̷Qnh fsckAڭRMUɮרtAh fsck]Yݭn umount Mϰo^CpGo˰Ai|ɮרtlC

    • tune2fs
      o\ڭ̥hվɮרtӋ]wCbAڭ̥iH]wbɮרtˬd̤j`ӋB eqAOBh~欰BܧOdTM\hLӋC

    • dumpe2fs
      oӵ{Next2ɮרtAKXAǪ]QWCRDHΦs@}ɮרtΪkTODUC

    • mke2fs
      oӵ{\ڭ̦be|榡ƪϺФAhإߤ@ext2ɮרtC ѤF\hﶵ]t϶jpBqojpBC@inode줸œhRϺа}CﶵC mke2fsq`bĤ@wUAëإߧs root ΨLɮרtC]NS DOS U format {TI^

    • badblocks
      oӵ{hjMϺШˬd϶O_wglaAq`|bsɮרtwU{eA ФnbnɮרtWC
    bLinuxɮרt̷sQ٬ext3Aäw Journaling 䴩CJournaling ɮרtҦwBJAOHˬdIAҥHϨtSEɡAiHq̫᪺ˬdIRɮרtC

    jADϥ EXT3 O
    XBG http://www.linuxplanet.com/linuxplanet/reports/3726/1/

    Red Hat Linux 7.2 Mwĥext3ɮרtH

    Red HatMwb7.2ϥ ext3 榡ӧ@w]ɮרtbAް_Shx Linux ϥΪ̪}`A ext3 äOߤ@A]Ohx (journaling)ɮרt̨ΪC

    Dž Linux ɮרt ext2AbSpeqwФWpɮצӨOSzQCH۵wЪeqɮפjpjTW[A ʯ|UơCǭ]OӦŪħQΪϺЪŶAǭ]OӦۤ`}EάOq_ɮרt_ɶC ɮרtg e2fsck b@ 1GB wаˬdO@OOAۦPb 40GB wФWi|SOɶC ҥHNxɮרt^͡C

    oǰOwЪAɮ׺٬xC ҥHbT}E᭫sŰʻݭnѦҨxɮרӭs^_ɮרtAA ӫDNӵwаyC PɡA xɮרtiH@wЪŶϥήIJvΨϸƦbURPɮפjp^ֳtŪμgJC

    LinuxäOu@ӤxɮרtA|ӡAάOTSG@ӡG
    • ReiserɮרtG ̷ Hans Reiser WrӨCReiser OҬҪ@RsֳtOwФeɮרtAgQsxϥζWL@~A BoɮרtQVwUb SuSE7.17.2WC

    • JFSɮרtGg IBM Ҷ}oA]pzb󴣨Ѥ@@tBzOC IBM q 2000 ~ 2 붡}lgL@tCA 1.0 wb멳}oC

    • XFS ɮרtGXFS O SGI qb Linux WҶ}oxɮרtA ]ѤFҦHoiS⪺xɮרtC

    • ext3 ɮרtGext3 OeҴΪG@xɮרtC u@bO?]O ext3 O@R|bDž ext2 ɮרtWëOϺЬʬxɮרtC ҥHST}EɡAɮת_t׷| ext2 ɮרtӪ֡COA]OQXb ext2 A|D@ǦтHtæ]QΩҦxɮרt\C o˨ëDOnA] ext3 ΰϨèSP ext2 ɮרtA]p ext3 ln^ ext2ɮרtoOD`̔xC
    Red Hat OĤ@ӱĥ ext3 qAʪN Linux ɮרtVxɮרtCSqpeb 7.2 ĤGӴĥ ext3 ɡAqu֤߶}oMichael K. JohnsonKtѤ@ӭzĭzG

    AQnq ext2 茂 ext3 OH|ӥDnzѡG iQΩʡBƧʡBtפΩ茂CiQΩʡALXAoN۱qtֳts_ӤO e2fsc kɶ״_Cext3 xiHקKƷliCL]XFgJYzƶWL@ɡA ext3 |֩ ext2A] ext3 xϵwŪYʯ󦳮Īi桧C Mөγ\Mw]RObJohnsonͪĥ|ӲzѤG

    OiHq ext2 ܧ ext3 o@ӱjӦOxɮרtӤݭns榡ơ LDCOTAF释@U ext3 nBOݭnh@RɶA FB󲣥͎h~Qu@έs榡ƪʧ@C
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