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ストレージの基礎

 ストレージの基礎

ストレージを知らない人/苦手な人向けに実施した勉強会の資料です。

Yukinori Sakashita

July 07, 2020
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  1. ετϨʔδͷجૅ
    :VLJOPSJ4BLBTIJUB

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  2. ஫ҙࣄ߲
    ‣ ετϨʔδ͸ϕϯμ΍੡඼͝ͱͰίϯϙʔωϯτͳͲͷ໊শ͕ҟͳΔ͜ͱ
    ͕͋Γ·͢
    ‣ ຊࢿྉͰ͸ετϨʔδۀքஂମ4/*"͕ఆΊΔετϨʔδ؅ཧ*'ͷ
    ࠃࡍඪ४࢓༷4.*4 *40*&$ʙ "/4**/$*54
    ɺ
    4XPSEpTIͰఆΊΕͨίϯϙʔωϯτͷ໊শ͓Αͼ4/*"ͷڭҭࢿྉͰ
    ࢖༻͞ΕΔ༻ޠΛ࢖͍·͢
    2
    IUUQTXXXTOJBPSHUFDI@BDUJWJUJFTTUBOEBSETDVSS@TUBOEBSETTNJ
    IUUQTXXXTOJBPSHUFDI@BDUJWJUJFTTUBOEBSETDVSS@TUBOEBSETTXPSEpTI

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  3. "HFOEB
    ‣ ετϨʔδͷछྨ
    ‣ ϒϩοΫετϨʔδ
    ‣ ϑΝΠϧετϨʔδ
    ‣ ετϨʔδͷࡶֶ
    3

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  4. ϒϩοΫετϨʔδ ϑΝΠϧετϨʔδ ΦϒδΣΫτετϨʔδ
    ΞʔΩςΫνϟ
    ಛ௃
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    wϑΝΠϧγεςϜ͸ࣗ༝ʹબ୒
    wωοτϫʔΫυϥΠϒ
    wϑΝΠϧγεςϜ͸ετϨʔδ೚
    ͤɺมߋෆՄ
    wΦϒδΣΫτ୯ҐͰΞΫηε
    wϑΝΠϧγεςϜʹґଘ͠ͳ͍
    ͨΊɺେྔσʔλΛ֨ೲՄೳ
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    4
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    4$4* 4$4*

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  5. ϒϩοΫετϨʔδ

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  6. ϒϩοΫετϨʔδͱྺ࢙
    ‣ ϋʔυ΢ΣΞͷ4$4*͸΄΅ফ໓
    ‣ ϓϩτίϧͱͯ͠ͷ4$4*͸઀ଓܗଶ͕มΘͬͯ΋ར༻
    6
    4$4*઀ଓ

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    %JTL %JTL %JTL
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    4UPSBHF4ZTUFN
    '$
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    '$઀ଓ

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    ('$ొ৔

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  7. جຊߏ੒
    7
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    4UPSBHF1PPM
    4UPSBHF7PMVNF
    1PSU
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    4$4*1SPUPDPM$POUSPMMFS
    %BUB1SPUFDUJPOͰղઆ
    4UPSBHF7PMVNF$SFBUJPOͰղઆ
    .BTLJOH.BQQJOHͰղઆ

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  8. %BUB1SPUFDUJPO

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  9. %BUB1SPUFDUJPOͱ͸
    9
    ‣ ෳ਺ݸͷ෺ཧϝσΟΞ )%%΍44%
    Λ·ͱΊΔٕज़
    ‣ ͳͥɺෳ਺ݸͷ෺ཧϝσΟΞΛ·ͱΊΔͷ͔ʁ
    ୯ମͷ෺ཧϝσΟΞҎ্ͷαΠζ͕ཉ͍͠
    ͭͷ෺ཧϝσΟΞ͕յΕͯ΋σʔλ͕ফ͑ͳ͍Α͏ʹ͍ͨ͠
    ෳ਺ͷ෺ཧϝσΟΞʹσʔλΛ෼ࢄͤ͞ੑೳΛ޲্
    ‣ Ͳ͏΍࣮ͬͯݱ͍ͯ͠Δͷ͔
    3"*%
    3FQMJDBUJPO

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  10. 3"*%
    10
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    ετϥΠϐϯάʹΑΓڊେͳ༰ྔͷ
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    3"*%
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    ύϦςΟσʔλʹΑΓແବΛগͳ͘σʔλอޢ͞Εͨ
    ڊେͳσΟεΫΛ࣮ݱ ྫ༰ྔ(ະຬ

    ( ( ( (
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  11. ύϦςΟσʔλͱ͸
    11
    ‣ ύϦςΟܭࢉͷجຊ͸903 ഉଞత࿦ཧ࿨ F9DMVTJWF03

    903
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    # 1
    σʔλ֨ೲ࣌
    σʔλ#ͷσΟεΫ
    ͕ো֐

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    "9031



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  12. 3FQMJDBUJPO
    12
    ‣ 3FQMJDBUJPO͸ɺσʔλ୯ҐͰͷ3FQMJDBUJPOͱ4UPSBHF7PMVNF୯ҐͰͷ
    3FQMJDBUJPO͕͋Δ
    ‣ ͜͜Ͱ͸σʔλ୯ҐͰͷ3FQMJDBUJPOΛղઆ
    ‣ 3FQMJDBUJPOͷߟ͑͸جຊ͸3"*%ͱಉ͡
    ‣ 4PGUXBSF%FpOFE4UPSBHF͕ొ৔͠ɺෳ਺αʔό ಺ଂσΟεΫ
    Λ
    ෺ཧϝσΟΞͱΈͨͯ%BUB1SPUFDUJPOΛ࣮ݱ
    ‣ $FQIͳͲͰ࠾༻͞Ε͍ͯΔ5SJQMF3FQMJDBUJPO͕༗໊
    ‣ ֨ೲσʔλΛ೚ҙͷαΠζͰ෼ׂʴύϦςΟσʔλΛ࢖͍σʔλอޢ͢Δ
    &SBTVSF$PEJOH΋͋Γ 3"*% ΋&SBTVSF$PEJOHͷҰͭ

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  13. 5SJQMF3FQMJDBUJPO&SBTVSF$PEJOH
    13
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    3FQMJDBUJPO
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    ͭʹ෼ࢄ͢Δ৔߹͕5SJQMF3FQMJDBUJPO
    &SBTVSF$PEJOH
    σʔλ"Λ෼ׂ͠ɺෳ਺αʔόʹ෼ࢄ഑ஔͨ͠ޙ
    ύϦςΟσʔλΛੜ੒֨͠ೲ

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  14. 4UPSBHF7PMVNF$SFBUJPO

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  15. 4UPSBHF1PPMͱ4UPSBHF7PMVNF
    ‣ ෳ਺෺ཧϝσΟΞΛ%BUB1SPUFDUJPOʹΑΓ·ͱΊͨ4UPSBHF1PPM͔Β
    ࿦ཧσόΠεͱͯ͠ੜ੒ͨ͠΋ͷ͕4UPSBHF7PMVNF
    ‣ ࿦ཧ෺ཧͷ-#"ͷϚοϐϯάςʔϒϧʹΑ࣮ͬͯݱ
    15
    4UPSBHF1PPM
    4UPSBHF7PMVNF
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    4UPSBHF7PMVNF
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    7PMͷ-#" ෺ཧϝσΟΞͷ-#"
    7PM ''' %JTL''''
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    7P #'''' %JTL''''
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    7PM #'''' %JTL#'''''
    -#"ͷϚοϐϯάςʔϒϧ͸֤࣮ࣾ૷͕ҟͳΓ·͢

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  16. 5IJO1SPWJTJPOJOH
    ‣ 4UPSBHF7PMVNFʹ͸େ͖ͭ͘ͷλΠϓ͋Γ
    ‣ 5IJDL1SPWJTJPOJOH
    4UPSBHF7PMVNFͷ࡞੒࣌ʹશͯͷαΠζ෼ͷ෺ཧϝσΟΞͷྖҬΛ
    ֬อ͢Δํࣜ
    3FBE8SJUFߴ଎ɺ༰ྔޮ཰௿͍
    ‣ 5IJO1SPWJTJPOJOH
    4UPSBHF7PMVNFͷ࡞੒࣌͸෺ཧϝσΟΞͷྖҬΛ֬อͤͣɺσʔλ͕ॻ͖ࠐ
    ·ΕΔ౎౓ɺ෺ཧϝσΟΞͷྖҬΛ֬อ͢Δํࣜ
    3FBEߴ଎ 8SJUF௿଎ ෺ཧϝσΟΞͷׂΓ౰ͯൃੜ࣌
    ɺ༰ྔޮ཰ߴ͍
    αʔόʹ͸5IJDL1SPWJTJPOJOHͱಉ༷ͷαΠζͰݟ͑Δ
    16

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  17. 5IJO1SPWJTJPOJOH
    17
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    7PM

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    -#"ͷϚοϐϯάςʔϒϧ͸֤࣮ࣾ૷͕ҟͳΓ·͢
    $ 8SJUF

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  18. 5IJO1SPWJTJPOJOH
    18
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    7PM

    7PMͷ-#" ෺ཧϝσΟΞͷ-#"
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    -#"Ϛοϐϯάςʔϒϧ͕ڊେʹͳΔɻ
    ଟஈͷϚοϐϯάςʔϒϧͷ࣮૷ϕϯμ΋͋Γ

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  19. "VUPNBUFE4UPSBHF5JFSJOH
    ‣ ෳ਺ͷछྨͷ)%%΍44%ͷొ৔ʹΑΓɺ෺ཧϝσΟΞʹੑೳɾίετ͕ࠩ
    ੜ࢝͡Ίͨ ೥ࠒ

    44%ߴ଎ ߴՁ֨
    4"4)%%த଎ தՁ֨
    4"5")%%௿଎ ௿Ձ֨
    ‣ ߴස౓ʹΞΫηε͢Δσʔλ͸ߴ଎ߴՁͳϝσΟΞɺதɾ௿ස౓ͷΞΫηεͷ
    σʔλ͸தɾ௿଎தɾ௿Ձ֨ʹࣗಈͰσʔλͷ഑ஔ৔ॴΛҠಈͤ͞
    ੑೳͱίετͷ࠷దԽΛਤΔ"VUPNBUFE4UPSBHF5JFSJOH͕ొ৔
    19

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  20. "VUPNBUFE4UPSBHF5JFSJOH
    20
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    7PM

    7PMͷ-#" ෺ཧϝσΟΞͷ-#"
    7PM %BUB" %JTL
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    7PM %BUB$ %JTL
    "
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    -#"ͷϚοϐϯάςʔϒϧ͸֤࣮ࣾ૷͕ҟͳΓ·͢
    $
    $
    44% 4"4)%% 4"5")%%
    ߴස౓ͷΞΫηε
    தස౓ͷΞΫηε
    ௿ස౓ͷΞΫηε
    ΞΫηεස౓Λఆظతʹ؂ࢹɻ
    ΞΫηεස౓ʹΑͬͯ͸σʔλΛ
    ผϝσΟΞ΁Ҡಈ

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  21. %FEVQMJDBUJPO ॏෳഉআ

    21
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    7PM

    7PMͷ-#" ෺ཧϝσΟΞͷ-#"
    7PM %BUB" %JTL
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    7PM %BUB# 7PM%BUB# OVMM
    7PM %BUB$ 7PM%BUB$ OVMM
    "
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    -#"ͷϚοϐϯάςʔϒϧ͸֤࣮ࣾ૷͕ҟͳΓ·͢
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    7PM

    $
    #
    ‣ ෺ཧϝσΟΞͷ༰ྔ࡟ݮͷͨΊɺॏෳσʔλ͸อଘͤͣϙΠϯλࢀর
    $

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  22. .BTLJOH.BQQJOH

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  23. αʔόͱετϨʔδͷ઀ଓ 4$4*

    23
    4FSWFS
    4$4*
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    ‣ 4$4**%ͱ-6/ʹΑͬͯϢχοτΛࣝผ
    ֤%JTLʹ͸4$4**% ʜ
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    ʹ
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    Λઃఆ
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    -6/
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    4FSWFSͰͷσόΠεͷݟ͑ํ 473ܥ6/*9

    EFWDUET 4$4**% -6/

    EFWDUET 4$4**% -6/

    EFWDUET 4$4**% -6/

    EFWDUET 4$4**% -6/

    ౰࣌͸4$4*σόΠε%JTLͷͨΊEݻఆ

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  24. αʔόͱετϨʔδͷ઀ଓ '$

    ‣ '$઀ଓʹͳΓωοτϫʔΫʹͯετϨʔδ͕઀ଓɻϓϩτίϧ͸4$4*ͷ··
    ‣ 88/ -6/ %FWJDF*%ʹΑͬͯ4UPSBHF7PMVNFΛࣝผ جຊܗ

    ‣ 4$4**%͕࢖͑ͳ͘ͳΓ88/͕ొ৔ɻϙʔτຖʹϢχʔΫ஋ͷ88/Λ෇༩
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    αʔόଆ*OJUJBUPS1PSU
    ετϨʔδଆ5BSHFU1PSU
    '$
    '$1
    4$4*-BZFS
    '$ͷϓϩτίϧελοΫ

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  25. αʔόͱετϨʔδͷ઀ଓ '$

    25
    4UPSBHF4ZTUFN
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    -PHJDBM1PSU
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    4$4*1SPUPDPM$POUSPMMFS
    *OJUJBUPS1PSU
    88/
    DDFDDD
    '$
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    ΞΫηείϯτϩʔϧ
    )#"
    1PSU
    )#")PTU#VT"EBQUFS
    '$4XJUDIʹΑΔ;POJOH

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  26. αʔόͱετϨʔδͷ઀ଓ J4$4*

    ‣ '$Λ*1ʹஔ͖׵͑ɻΞϓϦ͔ΒΈͨϓϩτίϧ͸4$4*ͷ··
    ‣ *2/ -6/ %FWJDF*%ʹΑͬͯ4UPSBHF7PMVNFΛࣝผ جຊܗ

    ‣ '$Ͱ͸)#"ͷ1PSUʹ88/͕ϋʔυతʹϓϦηοτ
    ‣ J4$4*Ͱ͸88/͸ͳ͘୅ସͷ΋ͷ͕ඞཁˠ*2/ͷొ৔
    '$1
    4$4*-BZFS
    '$ͷϓϩτίϧελοΫ
    *2/J4$4*2VBMJpFE/BNF
    J4$4*ͷϓϩτίϧελοΫ
    J4$4*
    '$ &UIFS
    *1
    5$1

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  27. αʔόͱετϨʔδͷ઀ଓ J4$4*

    27
    4UPSBHF4ZTUFN
    4UPSBHF1PPM
    4UPSBHF7PMVNF
    -PHJDBM1PSU
    4$4*1SPUPDPM&OE1PJOU
    4$4*1SPUPDPM$POUSPMMFS
    *OJUJBUPS1PSU
    *2/
    JROPSHEFCJBO
    BCFC
    '$
    /FUXPSL
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    5BSHFU1PSU
    *2/
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    OFUBQQTOYYYYYYWT
    -6/
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    %FWJDF*%$$%%
    %FWJDF*%""##
    4$4*ϓϩτίϧΛղऍ͠
    ΞΫηείϯτϩʔϧ
    /*$
    1PSU

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  28. αʔόͱετϨʔδͷ઀ଓ Ԡ༻

    28
    4UPSBHF4ZTUFN
    4UPSBHF7PMVNF
    -PHJDBM1PSU
    4$4*1SPUPDPM&OE1PJOU
    4$4*1SPUPDPM$POUSPMMFS
    4FSWFS
    -6/
    -6/
    %FWJDF*%""##
    /*$
    4$4*1SPUPDPM&OE1PJOU
    4$4*1SPUPDPM$POUSPMMFS
    5BSHFU1PSU
    *2/
    JRODPN
    OFUBQQTOYYYYYYWT
    5BSHFU1PSU
    *2/
    JRODPN
    OFUBQQZZZZZZWT
    *1
    /FUXPSL
    1PSU
    -PHJDBM1PSU
    Ϛϧνύεߏ੒ 4FSWFS͔Β͸ͭͷ4UPSBHF7PMVNF
    ͱͯ͠ೝࣝɻಉ࣌ʹ8SJUF͢ΔͱյΕΔ

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  29. αʔόͱετϨʔδͷ઀ଓ Ԡ༻

    29
    4UPSBHF4ZTUFN
    4UPSBHF7PMVNF
    -PHJDBM1PSU
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    4$4*1SPUPDPM$POUSPMMFS
    4FSWFS
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    %FWJDF*%""##
    /*$
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    *2/
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    OFUBQQTOYYYYYYWT
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    *1
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    Ϛϧνύεߏ੒
    .VMUJ1BUIιϑτʹͯ
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  30. αʔόͱετϨʔδͷ઀ଓ Ԡ༻

    30
    4UPSBHF4ZTUFN
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    View full-size slide

  31. αʔόͱετϨʔδͷ઀ଓ Ԡ༻

    31
    4UPSBHF4ZTUFN
    4UPSBHF7PMVNF
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    -7.

    View full-size slide

  32. ετϨʔδͷ3FQMJDBUJPOͷಛ௕
    ‣ 3FQMJDBUJPOॲཧΛαʔόͷ$16.FNPSZΛ࢖Θ࣮ͣߦ ΞϓϦͷੑೳӨڹͳ͠

    ‣ ετϨʔδؒωοτϫʔΫ 8FTU&BTU
    ͷར༻ʹΑΓ
    αʔόετϨʔδؒωοτϫʔΫ /PSUI4PVUI
    ͷτϥϑΟοΫෛՙΛܰݮ
    33
    4UPSBHF
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    8SJUF
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    8FTU &BTU

    View full-size slide

  33. 3FQMJDBUJPOͷछྨ
    ‣ ετϨʔδͰ͸ෳ਺छྨͷ3FQMJDBUJPO͕͋Γ
    34
    5ZQF -PDBM3FNPUF 4ZODISPOJ[BUJPO5ZQF .FNP
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    -PDBM 4ZOD %FMUB

    -PDBM "TZOD %FMUB

    View full-size slide

  34. .JSSPSͱ$MPOF
    35
    .JSSPS $MPOF
    ‣ .JSSPS͸جຊ͸4ZODISPOJ[FE ϖΞ
    ঢ়ଶ
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    ‣ $MPOF͸ಉ͡෺ཧߏ੒Ͱͳͯ͘΋Մೳ ϕϯμʹΑͬͯ͸$PQZ ճͷΈͷ$MPOF


    4QMJU
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    4PVSDF $MPOF

    View full-size slide

  35. -PDBMͱ3FNPUF
    ‣ ᝑମ಺ -PDBM
    ͱᝑମؒ 3FNPUF
    Ͱ.JSSPS$MPOF
    ‣ ௒௕ڑ཭ͷ৔߹͸.VMUJ3FQMJDBߏ੒
    36
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    TPVSDF UBSHFU TPVSDF UBSHFUTPVSDF UBSHFU

    View full-size slide

  36. 4ZODͱ"TZOD
    37
    ‣ 4ZOD ಉظ
    ͸ۙڑ཭ؒɺ"TZOD ඇಉظ
    ͸த௕ڑ཭ؒͰར༻
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    "
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    View full-size slide

  37. 4OBQTIPU
    38
    "
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    ʹ
    ΑΔࠩ෼όοΫΞοϓ

    View full-size slide

  38. 4OBQTIPUͷಛ௃
    ‣ ར఺
    ࠩ෼όοΫΞοϓͷͨΊফඅ͢Δ෺ཧϝσΟΞ༰ྔ͕গͳ͍
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    ‣ ܽ఺
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    4OBQTIPU7PMVNFΛ8SJUBCMFʹ͢Δ͜ͱͰ04ͷ(PMEFO*NBHFͳͲͰ΋׆༻

    View full-size slide

  39. 3FQMJDBUJPOͷࣄྫ
    40
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    View full-size slide

  40. ϑΝΠϧετϨʔδ

    View full-size slide

  41. ϑΝΠϧετϨʔδͱྺ࢙
    ‣ ϑΝΠϧετϨʔδ /"4
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    View full-size slide

  42. 'JMF4ZTUFNͱ͸
    ‣ 04͕ఏڙ͢ΔϑΝΠϧΛ؅ཧ͢ΔγεςϜ
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    ‣ جຊతͳΞʔΩͱͯ͠͸JOPEFͱ%BUB#MPDLʹͯϑΝΠϧΛදݱ
    43
    ਌ͷJOPEFOVNCFS σΟϨΫτϦͷJOPEF൪߸͕ଟ͍

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    View full-size slide

  43. ϑΝΠϧετϨʔδͱ͸
    ‣ 'JMF4ZTUFNͰఏڙ͞ΕͨϑΝΠϧ σΟϨΫτϦؚΉ
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    ͕؅ཧ ΞΧ΢ϯτ؅ཧͱ/'4͸ҰॹʹγεςϜઃܭ΋ଟ͍

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  44. جຊߏ੒
    45
    #MPDL4UPSBHF
    4ZTUFN
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    'JMF4ZTUFN FYU YGT /5'4ͳͲ

    ڞ༗͢Δύε σΟϨΫτϦ

    /'4 4.#$*'4ͷαʔϏε
    ϓϩτίϧͷΤϯυϙΠϯτ /'4PS$*'4

    View full-size slide

  45. ϑΝΠϧετϨʔδͷػೳ
    ‣ ετϨʔδͱͯ͠ͷػೳ͸ɺϒϩοΫετϨʔδͦͷ··
    ‣ ϑΝΠϧετϨʔδಛ༗ͷػೳ
    ΞΧ΢ϯτ࿈ܞ "% -%"1࿈ܞͳͲ

    46

    View full-size slide

  46. ϩοΫϝΧχζϜͷҧ͍
    ‣ ϒϩοΫετϨʔδ
    -#" ࿦ཧϒϩοΫΞυϨογϯά
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    Ϛ΢ϯτ͢Δඞཁ͋Γ
    ‣ ϑΝΠϧετϨʔδ
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    47
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    View full-size slide

  47. ετϨʔδͷࡶֶ

    View full-size slide

  48. ΞϓϥΠΞϯεͱ4%4
    ‣ ΞϓϥΠΞϯεετϨʔδ͸ϕϯμͷઐ༻ϋʔυ΢ΣΞ ಠࣗ"4*$΍$16
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    ‣ ҰൠతʹΞϓϥΠΞϯεετϨʔδͷํ͕ઐ༻ϋʔυ΢ΣΞͷͨΊߴ଎
    ‣ 4%4ͰੑೳΛग़ͨ͢Ίʹ͸ϋΠεϖοΫͳαʔό୆਺ͱߴ଎ͳωοτϫʔΫ
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    49
    IUUQTEPDVNFOUBUJPOTVTFDPNKBKQTFTIUNMTFTBMMTUPSBHFCQIXSFRIUNM

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  49. ετϨʔδͷϓϩτίϧͷਐԽ
    ‣ 44%ͷొ৔ʹ͋Θͤͯσʔλϓϩτίϧ͕ਐԽ
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    50
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  50. εϧʔϓοτͱ*014
    ‣ ϥϯμϜ*0͸ඵ͋ͨΓͷτϥϯβΫγϣϯ͕ॏཁͳͨΊ*014͕ࢦඪ
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