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Persistent Volumeのはじめの一歩

Persistent Volumeのはじめの一歩

Kubernetes Novice Tokyo #6で発表したスライドです。
https://k8s-novice-jp.connpass.com/event/191555/

Yukinori Sakashita

October 27, 2020
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  1. 1FSTJTUFOU7PMVNFͷ
    ͸͡ΊͷҰา
    :VLJOPSJ4BLBTIJUB

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  2. ࣗݾ঺հ ‣ٕज़ݚڀΤϦΞ
    ӡ༻؅ཧٕज़
    Ϋϥ΢υ
    αʔόετϨʔδ
    ࣗಈࣗ཯ίϯϐϡʔςΟϯά
    "*.- // ).. #BZFTJBO/FUXPSL

    ‣৬ྺ
    ೔ཱ੡࡞ॴ
    㾎தԝݚڀॴԣ඿ݚڀॴ ओ೚ݚڀһ

    㾎ւ֎ݚڀॴ!γϦίϯόϨʔ ϥϘ௕

    αʔόϕϯμʔ ςΫχΧϧ4&

    2
    ࡔԼ޾ಙ ത࢜

    :VLJOPSJ4BLBTIJUB 1I%

    ‣ ϠϑʔגࣜձࣾθοτϥϘגࣜձࣾ
    ‣ 4/*"೔ຊࢧ෦ٕज़ҕһձ෭ҕһ௕
    ‣ 4/*" 64
    5FDIOJDBM$PVODJM"EWJTPS

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  3. "HFOEB
    σʔλͷӬଓԽ
    ,VCFSOFUFTʹ͓͚ΔετϨʔδϞσϧͱಈ͖
    17$17Λศར͔ͭ҆શʹ࢖͏4UBUFGVM4FU
    3

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  4. σʔλͷӬଓԽ

    View Slide

  5. 1FSTJTUFOUͱ͸
    ‣ &QIFNFSBM ͸͔ͳ͍ɺ୹໋

    1PEͷ࡟আ࠶σϓϩΠͱಉ࣌ʹσʔλ͕ফ͑Δ
    FNQUZ%JS XSJUBCMFMBZFSTFUD
    ‣ 1FSTJTUFOU ࣋ଓతɺӬଓੑ

    1PE͕࡟আ࠶σϓϩΠ͞Εͯ΋σʔλ͸ফ͑ͳ͍
    1FSTJTUFOU7PMVNF 17

    5
    bin/lib
    Container
    App
    Logic Data

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  6. &QIFNFSBM 1FSTJTUFOU -PDBM
    1FSTJTUFOU &YUFSOBM

    σʔλͷอଘ৔ॴ
    ଱ো֐ੑ 1PE࡟আͰσʔλ΋࡟আ
    ϊʔυ ΋͘͠͸σΟεΫ
    ࡟আͰ
    σʔλ΋࡟আ
    ετϨʔδ ΋͘͠͸7PMVNF
    ࡟আ
    Ͱσʔλ΋࡟আ
    ୅දతͳ
    ,4ͷϦιʔε
    FNQUZ%JS
    17$17 -PDBM

    IPTU1BUI
    17$17
    σʔλͷอଘ৔ॴ
    $POUBJOFS
    4UPSBHF
    $POUBJOFS
    $POUBJOFS
    $POUBJOFS
    PS
    XSJUBCMF
    MBZFS
    FNQUZ%JS

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  7. #MPDL4UPSBHF 'JMF4UPSBHF 0CKFDU4UPSBHF
    ΞʔΩςΫνϟ
    ಛ௃
    w಺ଂυϥΠϒͱಉ͡3BXσόΠε
    wϑΝΠϧγεςϜ͸ࣗ༝ʹબ୒
    wωοτϫʔΫυϥΠϒ
    wϑΝΠϧγεςϜ͸ετϨʔδ೚
    ͤɺมߋෆՄ
    wΦϒδΣΫτ୯ҐͰΞΫηε
    wϑΝΠϧγεςϜʹґଘ͠ͳ͍
    ͨΊɺେྔσʔλΛ֨ೲՄೳ
    σʔλసૹϓϩτίϧ J4$4* /7.FP' /'4 4.# )5514 )551

    Ϛ΢ϯτύεͷྫ EFWTEB aaaTIBSFaIPHF IUUQTBBBPSHTUPSBHFIPHF
    ੑೳ )JHI .JEEMF -PX
    ओͳ༻్ %# 04 #PPU%JTL
    ϑΝΠϧͷڞ༗ ࣸਅɺಈը֨ೲ
    ετϨʔδछผ
    J4$4*
    /"44FSWFS
    /'4 4.#
    ,74
    )55144FSWFS
    )5514
    )PTU )PTU )PTU
    Ұൠతͳ܏޲Ͱ͋Γ੡඼ʹΑΓมΘΓ·͢
    4$4* 4$4*

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  8. #MPDL4UPSBHF 'JMF4UPSBHF 0CKFDU4UPSBHF
    ΞʔΩςΫνϟ
    ಛ௃
    w಺ଂυϥΠϒͱಉ͡3BXσόΠε
    wϑΝΠϧγεςϜ͸ࣗ༝ʹબ୒
    wωοτϫʔΫυϥΠϒ
    wϑΝΠϧγεςϜ͸ετϨʔδ೚
    ͤɺมߋෆՄ
    wΦϒδΣΫτ୯ҐͰΞΫηε
    wϑΝΠϧγεςϜʹґଘ͠ͳ͍
    ͨΊɺେྔσʔλΛ֨ೲՄೳ
    σʔλసૹϓϩτίϧ J4$4* /7.FP' /'4 4.# )5514 )551

    Ϛ΢ϯτύεͷྫ EFWTEB aaaTIBSFaIPHF IUUQTBBBPSHTUPSBHFIPHF
    ੑೳ )JHI .JEEMF -PX
    ओͳ༻్ %# 04 #PPU%JTL
    ϑΝΠϧͷڞ༗ ࣸਅɺಈը֨ೲ
    ετϨʔδछผ
    J4$4*
    /"44FSWFS
    /'4 4.#
    ,74
    )55144FSWFS
    )5514
    )PTU )PTU )PTU
    Ұൠతͳ܏޲Ͱ͋Γ੡඼ʹΑΓมΘΓ·͢
    4$4* 4$4*
    ,VCFSOFUFTͷ17$17ͷλʔήοτ
    কདྷαϙʔτͷ
    Մೳੑ͋Γ˞
    ˞,&1IUUQTHJUIVCDPNLVCFSOFUFTFOIBODFNFOUTJTTVFT
    $04*IUUQTHJUIVCDPNLVCFSOFUFTTJHTDPOUBJOFSPCKFDUTUPSBHFJOUFSGBDFTQFD

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  9. σʔλՁ஋ͱಛੑͱอଘ৔ॴ
    ‣ σʔλͷՁ஋΍ΞϓϦͷಛੑʹԠͯ͡ɺͲ͜ʹอଘ͢Δͷ͔ΛܾΊΔͷ͕ϕλʔ
    Ձ஋͸Ϗδωε΍ఏڙαʔϏεͷॏཁ౓Ͱܾ·Δ͜ͱ͕ଟ͍
    ಛੑ͸σʔλʹΞΫηε͢ΔΞϓϦ΍ϢʔεέʔεͰܾ·Δ͜ͱ͕ଟ͍
    ཁٻੑೳ 3FBE8SJUFͷൺ཰ 3%#͸/'4͕ඇਪ঑͕ଟ͍౳

    3%#
    .2 /P42-
    'JMF
    ސ٬৘ใ
    ։ൃɾ
    ӡ༻ʹඞཁ
    ࠶ੜ੒Մೳͳσʔλ
    Ұ࣌తͳσʔλ
    &QIFNFSBM
    1FSTJTUFOU
    -PDBM

    1FSTJTUFOU
    #ࣾ'JMF

    Ձ஋ ಛੑ
    อଘ৔ॴ
    1FSTJTUFOU
    "ࣾ#MPDL

    1FSTJTUFOU
    $ࣾ0CKFDU

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  10. ΞϓϥΠΞϯεͱ4%4
    ‣ ΞϓϥΠΞϯεετϨʔδͱ4%4͸ΞʔΩ্ੑೳಛੑ͕ҧ͏
    ‣ ετϨʔδ͸%JTL*0ʹؔͯ͠͸ͲͪΒ΋෼ࢄΞʔΩςΫνϟ
    ‣ 4%4͸εϞʔϧελʔτ͕༰қɻͨͩ͠ɺେن໛Խʹ൐͍ωοτϫʔΫ͕ϘτϧωοΫʹͳΓқ͍
    ‣ σʔλͷՁ஋ɾಛੑʹԠͯ͡બ୒͢΂͖ ෼ࢄΞϓϦ͕4%4ʹ޲͍͍ͯΔͱ͍͏୯७ͳΘ͚Ͱ͸ແ͍

    $POUSPMMFS
    $IBTTJT
    .FNPSZ
    %BUB
    /PEF
    .FNPSZ
    %BUB
    /PEF
    .FNPSZ
    %BUB
    /PEF
    .FNPSZ
    %BUB
    /PEF
    .FNPSZ
    %BUB
    /PEF
    .FNPSZ
    .FUB%BUB
    /PEF
    .FNPSZ
    %#
    )PTU )PTU
    " " " "` "``
    "
    ΞϓϥΠΞϯε
    ετϨʔδ
    4%4
    "
    " " "

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  11. ,VCFSOFUFTʹ͓͚Δ
    ετϨʔδϞσϧͱಈ͖

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  12. ετϨʔδͷϞσϧ
    ‣ ϕϯμʔχϡʔτϥϧͳϞσϧ
    1FSTJTUFOU7PMVNF$MBJN
    1FSTJTUFOU7PMVNF
    4UPSBHF$MBTT
    ‣ ؅ཧऀͱϢʔβͷ໾ׂΛߟྀͨ͠Ϟσϧ
    ‣ ετϨʔδ૷ஔͷૢ࡞ͳ͠Ͱ7PMVNFΛ
    ίϯςφʹࣗಈͰϚ΢ϯτ
    ‣ ओʹϒϩοΫετϨʔδϑΝΠϧ
    ετϨʔδ͕ର৅
    12
    Ϣʔβ
    ؅ཧऀ

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  13. ετϨʔδϦιʔεͷൣғͱݖݶ
    ‣ 4UPSBHF$MBTT 1FSTJTUFOU7PMVNF͸શͯͷ/BNFTQBDFͰڞ௨ͷϦιʔε
    Ϋϥελશମͷ؅ཧऀݖݶ͕ඞཁ
    $MVTUFS3PMFͱόΠϯσΟϯά͞ΕͨΞΧ΢ϯτ
    ‣ 1FSTJTUFOU7PMVNF$MBJN͸/BNFTQBDF͝ͱͷϦιʔε
    /BNFTQBDFEΦϒδΣΫτ΁ͷಡΈॻ͖ͷݖݶ͕ඞཁ
    3PMFͱόΠϯσΟϯά͞ΕͨΞΧ΢ϯτ
    13
    LVCFDUMBQJSFTPVSDFT
    /".&4)035/".&4"1*(3061/".&41"$&%,*/%
    QFSTJTUFOUWPMVNFDMBJNTQWDUSVF1FSTJTUFOU7PMVNF$MBJN
    QFSTJTUFOUWPMVNFTQWGBMTF1FSTJTUFOU7PMVNF
    TUPSBHFDMBTTFTTDTUPSBHFLTJPGBMTF4UPSBHF$MBTT

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  14. 1FSTJTUFOU7PMVNF$MBJN QWD

    ‣ 7PMVNFͷཁٻ࢓༷Λද͢Ϧιʔε
    4UPSBHFUZQF 4UPSBHF$MBTT໊

    7PMVNFTJ[F
    "DDFTTNPEF
    14

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  15. ϩοΫϝΧχζϜͷҧ͍
    ‣ ϒϩοΫετϨʔδ
    -#" ࿦ཧϒϩοΫΞυϨογϯά
    ͷΞΫηε
    ͷͨΊɺϩοΫϝΧχζϜΛ͍࣋ͬͯͳ͍
    ୆ͷϗετ͔ΒͷΈ8SJUFͱͳΔΑ͏ʹ
    Ϛ΢ϯτ͢Δඞཁ͋Γ
    ‣ ϑΝΠϧετϨʔδ
    ϑΝΠϧ୯ҐͰͷϩοΫϝΧχζϜ͋Γ
    0QFO࣌ʹऔಘͨ͠ϩοΫΛଞϗετʹ΋఻ൖ
    ෳ਺୆ͷϗετ͔Β3FBE8SJUF͕Մೳ
    15
    )PTU )PTU
    )PTU )PTU
    3FBE8SJUF 3FBE
    3FBE8SJUF 3FBE8SJUF
    )PTU
    ͕ഉଞϩοΫͰ
    ։͍͍ͯΔΑ
    pMF
    ϒϩοΫετϨʔδ
    ϑΝΠϧετϨʔδ

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  16. "DDFTT.PEFT
    16
    /PEF /PEF
    3FBE 3FBE
    3FBE8SJUF0ODF 380
    3FBE0OMZ.BOZ 309

    /PEF /PEF
    3FBE8SJUF.BOZ 389

    ‣ ͭͷ/PEF͔Β3FBE
    8SJUFͰϚ΢ϯτͰ͖Δ
    ‣ ෳ਺ͷ/PEF͔Β3FBE
    0OMZͰϚ΢ϯτͰ͖Δ
    ‣ ෳ਺ͷ/PEF͔Β3FBE
    8SJUFͰϚ΢ϯτͰ͖Δ
    /PEF
    3FBE8SJUF
    3FBE8SJUF 3FBE8SJUF

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  17. 1FSTJTUFOU7PMVNF QW

    ‣ 7PMVNFΛද͢Ϧιʔε
    4UPSBHFUZQF 4UPSBHF$MBTT໊

    4J[F
    "DDFTTNPEFT
    3FDMBJNQPMJDZ
    w 3FUBJO
    w 3FDZDMF %FQSFDBUFE

    w %FMFUF
    17

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  18. 3FDMBJN1PMJDZ
    ‣ 17$Λ࡟আͨ࣌͠ɺ17ΛͲ͏͢Δ͔ΛܾΊΔϙϦγʔ
    18
    17$࡟আ 17$࡟আ 17$࡟আ
    ͦͷ··
    σʔλΛ
    ࡟আ
    17Λ࡟আ
    3FUBJO 3FDZDMF %FQSFDBUFE
    %FMFUF

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  19. 4UPSBHF$MBTT TD

    ‣ ετϨʔδϓʔϧΛද͢Ϟσϧ
    /BNF
    3FDMBJNQPMJDZ
    1SPWJTJPOFS
    ‣ 1SPWJTJPOFS͕ετϨʔδ૷ஔͷ
    "1*Λݺͼग़͠
    19

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  20. $4* $POUBJOFS4UPSBHF*OUFSGBDF

    ‣ ίϯςφΦʔέετϨʔγϣϯ޲͚ͷඪ४࢓༷
    ‣ ओཁͳίϯςφΦʔέετϨʔγϣϯ͕࠾༻
    ,VCFSOFUFT $MPVE'PVOESZ .FTPT %PDLFS FUD

    ‣ ,VCFSOFUFTͰ͸ʹͯ("αϙʔτ
    ‣ ,VCFSOFUFTͷιʔεπϦʔ JOUSFF
    Ͱ؅ཧ͞Ε͍ͯͨετϨʔδ૷ஔʹ
    ؔ࿈͢Δ࣮૷͕ɺSEϕϯμͰಠࣗʹ։ൃఏڙ͢Δ͜ͱ͕Մೳ
    ‣ ,VCFSOFUFTͰ͸JOUSFF͸ഇࢭ༧ఆɺ$4*΁ͷҠߦ͕ਪਐத
    20

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  21. 1FSTJTUFOU7PMVNFͷׂΓ౰ͯ
    ‣ 1FSTJTUFOU7PMVNFͷׂΓ౰ͯʹ͸େ͖ͭ͘ͷํ๏
    ‣ .BOVBM1SPWJTJPOJOH
    ؅ཧऀ͕4UPSBHF$MBTTͱ1FSTJTUFOU7PMVNFΛࣄલʹ࡞੒
    Ϣʔβ͸1FSTJTUFOU7PMVNF$MBJNΛ࢖ͬͯ1FSTJTUFOU7PMVNFΛબ୒
    ‣ %ZOBNJD1SPWJTJPOJOH
    ؅ཧऀ͸4UPSBHF$MBTTͷΈࣄલʹ४උ
    Ϣʔβ͕1FSTJTUFOU7PMVNF$MBJNΛ࡞੒͢Δͱ
    1FSTJTUFOU7PMVNF͕ࣗಈੜ੒
    21

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  22. %ZOBNJD1SPWJTJPOJOH
    22
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    %FQMPZ

    View Slide

  23. %ZOBNJD1SPWJTJPOJOH
    23
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    $SFBUF17$

    View Slide

  24. %ZOBNJD1SPWJTJPOJOH
    24
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    4FMFDU4$

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  25. %ZOBNJD1SPWJTJPOJOH
    25
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    Storage
    $SFBUF7PMVNF
    QSPWJTJPOFS
    $4*DPOUSPMMFSͷಈ͖͸ׂѪ

    View Slide

  26. %ZOBNJD1SPWJTJPOJOH
    26
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    Storage
    OS
    "TTJHO
    $SFBUF
    17

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  27. %ZOBNJD1SPWJTJPOJOH
    27
    ʜ
    TQFD
    DPOUBJOFST
    OBNFNZTRM
    JNBHFNZTRM
    ʜ
    WPMVNF.PVOUT
    OBNFNZTRMEBUB
    NPVOU1BUIWBSMJCNZTRM
    WPMVNF$MBJN5FNQMBUFT
    NFUBEBUB
    OBNFNZTRMEBUB
    TQFD
    BDDFTT.PEFT<3FBE8SJUF0ODF>
    TUPSBHF$MBTT/BNFHPME
    SFTPVSDFT
    SFRVFTUT
    TUPSBHF(J
    Storage
    OS
    Container
    Runtime
    Container
    .PVOU
    ɹ17

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  28. 3PMMJOH6QEBUF
    28
    ‣ ϩʔϦϯάΞοϓσʔτʹΑΓ1PE͸࠶࡞੒
    ‣ 1FSTJTUFOU7PMVNFͱ1FSTJTUFOU7PMVNF$MBJN͸࠶࡞੒͞Εͳ͍
    ‣ ͭ·ΓɺετϨʔδ૷ஔͷ7PMVNF΋࡟আ͞Εͳ͍
    ‣ 7PMVNFʹର͠EFUBDIBUUBDI͕࣮ߦ
    ‣ /PEFো֐΍ηϧϑώʔϦϯάʹΑΔ1PEͷ࡞Γ௚͠ͷέʔεͰ΋ಉ༷

    View Slide

  29. W
    /PEF"
    7PMVNF
    W
    /PEF#
    7PMVNF
    /PEF$
    3PMMJOH6QEBUF

    View Slide

  30. W
    /PEF"
    7PMVNF
    W
    /PEF#
    7PMVNF
    /PEF$
    3PMMJOH6QEBUF
    W
    %FUBDI

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  31. W
    /PEF"
    7PMVNF
    W
    /PEF#
    7PMVNF
    /PEF$
    3PMMJOH6QEBUF
    "UUBDI

    View Slide

  32. W
    /PEF"
    7PMVNF
    /PEF#
    %FUBDI
    7PMVNF
    /PEF$
    W
    3PMMJOH6QEBUF

    View Slide

  33. W
    /PEF"
    7PMVNF
    /PEF#
    "UUBDI
    7PMVNF
    /PEF$
    W
    3PMMJOH6QEBUF

    View Slide

  34. 17$17Λศར͔ͭ
    ҆શʹ࢖͏4UBUFGVM4FU

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  35. 4UBUFGVM4FU TUT

    35
    ‣ 17$17Λศར͔ͭ҆શʹ࢖͏ͳΒ4UBUFGVM4FU͕Φεεϝ
    ‣ 4UBUFGVM4FUΛ࡟আͯ͠΋4UBUFGVM4FUͱ1PE͕ফ͑ΔͷΈ
    17$ 17͸࡟আ͞Εͳ͍ Φϖϛε๷ࢭ

    ‣ ಛ௃
    1PE໊ʹ࿈ଓͨ͠φϯόϦϯά FH NZTRM NZTRMʜ

    ετϨʔδʹ༏͍͠ಈ࡞ ҆શ

    17$Λࣗಈੜ੒ͯ͘͠ΕΔWPMVNF$MBJN5FNQMBUFT
    ‣ 17$17ͷαΠζ֦ு 7PMVNF&YQBOTJPO
    Ͱ͸஫ҙ͕ඞཁ˞
    ɾɾ
    ˞$/%5l1FSTJTUFOU7PMVNFͷҰาਐΜͩ࢖͍ํzࢀর
    IUUQTTQFBLFSEFDLDPNZTBLBTIJUBQFSTJTUFOUWPMVNFGBMTFCVKJOOEBTIJJGBOH

    View Slide

  36. ಛ௃࿈ଓͨ͠φϯόϦϯά
    ‣ 4UBUFGVM4FU͔Βੜ੒͞ΕΔ1PEͷ໊લ͸ࣗಈͰφϯόϦϯά
    ‣ 1PEʹ໾ׂΛઃఆ͠қ͍
    εΫϦϓτͳͲͰศར
    36
    LVCFDUMHFUQPE
    NAME READY STATUS RESTARTS AGE
    mysql-0 2/2 Running 0 69s
    mysql-1 2/2 Running 0 59s
    mysql-2 2/2 Running 0 52s
    NZTRM NZTRM NZTRM
    4PVSDF 3FQMJDB 3FQMJDB

    View Slide

  37. ಛ௃ετϨʔδʹ༏͍͠ಈ࡞
    ‣ 1PEΛߋ৽͢Δࡍɺඞͣલͷ൪߸ͷ1PEͷॲཧ͕׬͔ྃͯ͠Β࣮ߦ
    ‣ ετϨʔδͷ%FUBDI͕ߦΘΕͨޙɺ"UUBDI͕࣮ߦ͞ΕΔ͜ͱ͕อূ
    ‣ %FQMPZNFOUͩͱ"UUBDIʹࣦഊɺσʔλഁյʹܨ͕Δ৔߹͕͋ΔͷͰ஫ҙ
    3PMMJOH
    6QEBUF
    FUD
    3VOOJOH 5FSNJOBUJOH $SFBUJOH
    ಉ࣌ʹൃੜ
    38
    Ϛ΢ϯτʹࣦഊ΍
    ಉҰϑΝΠϧ΁ͷ8SJUF
    ͕ൃੜ͢ΔϦεΫ͋Γ
    3PMMJOH
    6QEBUF
    FUD
    3VOOJOH
    $SFBUJOH
    ݹ͍1PE͕࡟আޙɺ࡞੒։࢝
    38
    QPEYYY QPEYYY QPEZZZ QPE
    QPE QPE
    %FQMPZNFOU 4UBUFGVM4FU

    View Slide

  38. ઃఆ಺༰͸
    17$ͱಉ͡
    ಛ௃WPMVNF$MBJN5FNQMBUFT
    ‣ 4UBUFGVM4FUΛσϓϩΠ͢Δͱ1PEͷੜ੒ʹ͋Θͤͯ17$΋ੜ੒
    38
    apiVersion: apps/v1

    kind: StatefulSet

    metadata:

    name: mysql



    containers:

    volumeMounts:
    - name: data
    mountPath: /var/lib/mysql


    volumeClaimTemplates:

    - metadata:

    name: data

    spec:
    storageClassName: standard

    accessModes: [“ReadWriteOnce”]

    resources:
    requests:

    storage: 10Gi
    LVCFDUMHFUQPE
    NAME READY STATUS RESTARTS AGE
    mysql-0 2/2 Running 0 156m
    mysql-1 2/2 Running 0 156m
    mysql-2 2/2 Running 0 156m
    LVCFDUMHFUQWD
    NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
    data-mysql-0 Bound pvc-XXX 10Gi RWO standard 164m
    data-mysql-1 Bound pvc-YYY 10Gi RWO standard 163m
    data-mysql-2 Bound pvc-ZZZ 10Gi RWO standard 161m
    LVCFDUMHFUQW
    NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE
    pvc-xxx 10Gi RWO Delete Bound db/data-mysql-1 standard 165m
    pvc-yyy 10Gi RWO Delete Bound db/data-mysql-2 standard 163m
    pvc-zzz 10Gi RWO Delete Bound db/data-mysql-0 standard 166m
    17͸17$͕ੜ੒͞ΕΔͱ
    %ZOBNJD1SPWJTJPOJOH
    ʹΑΓࣗಈੜ੒
    WPMVNF$MBJN5FNQMBUFͷ໊લ
    4UBUFGVM4FUͷ໊લ࿈൪
    Ͱ17$͕ੜ੒

    View Slide

  39. ·ͱΊ
    39
    ‣ σʔλͷӬଓԽʹؔ͢Δجຊతͳߟ͑ํΛ঺հ
    ‣ ,VCFSOFUFTͰͷετϨʔδͷϞσϧͱಈ͖Λ঺հ
    ‣ 17$17Λศར͔ͭ҆શʹ࢖͏4UBUFGVM4FUʹ͍ͭͯ঺հ
    ‣ ,VCFSOFUFTͰ͸ɺந৅Խ͞ΕͨϞσϧʹΑΓ
    ετϨʔδΛར༻͢Δͷ͸γϯϓϧͰ؆୯
    ‣ ΋͠೉͍͠ͱ͢Ε͹ɺͦ΋ͦ΋ͷεςʔτϑϧΞϓϦ΍ετϨʔδͷӡ༻
    εςʔτϑϧΞϓϦ΍ετϨʔδͷӡ༻ܦݧ͕ઙ͍৔߹͸ɺ
    ॳΊ͔ΒϏδωεΫϦςΟΧϧͳσʔλʹ௅ઓͤͣɺ
    ࣦͬͯ΋ϏδωεʹӨڹͷগͳ͍σʔλ͔Β௅ઓ͠ϊ΢ϋ΢Λ஝ੵ
    ͜Ε͔Βεςʔτϑϧ΁௅ઓ͢Δਓ΁ͷҰݴ

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