2022年コンテナ/Kubernetes向けストレージ技術の最新動向

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೥   ίϯςφ,VCFSOFUFT޲͚   ετϨʔδٕज़ͷ࠷৽ಈ޲ :VLJOPSJ4BLBTIJUB

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ࣗ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௕ ݉Ϣʔεέʔε෼Պձ௕ ‣ 4/*"5FDIOJDBM$PVODJM"EWJTPS

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"HFOEB ‣ ίϯςφ,VCFSOFUFTͱ͸ ‣ ίϯςφ,VCFSOFUFTͷετϨʔδػೳ ‣ ,VCFSOFUFTͷ࠷৽ετϨʔδػೳ ‣ ͜Μͳ$4*υϥΠό͸ݏͩ ݸਓͷࡶײ 3 ,VCFSOFUFT   ॳɾதڃऀ޲͚ ,VCFSOFUFT   தɾ্ڃऀ޲͚ ετϨʔδ ϕϯμʔ޲͚ શһ޲͚

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ίϯςφɾ,VCFSOFUFTͱ͸ શһ޲͚

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,VCFSOFUFTͷར༻ঢ়گ 88 ‣ $/$'ͷ"OOVBM4VSWFZΑΓൈਮ ‣ ͍ͣΕͷϦʔδϣϯ΋ʮϓϩμΫγϣϯར༻ʯʮݕূதʯʮݕূ༧ఆʯ ͷ߹ܭ͸௒͑ ग़యݩIUUQTXXXDODGJPXQDPOUFOUVQMPBET$/$'"OOVBM4VSWFZQEG

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ίϯςφͷར༻ঢ়گ ೔ຊ ‣ ίϯςφΛಋೖɾಋೖݕ౼ͷ೔ຊاۀ͸ 6 ग़యݩ೥౓൛4/*"+ετϨʔδࢢ৔ಈ޲ௐࠪ

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ίϯςφͱ͸ 7 HW(CPU/Mem/NW/Disk) Hypervisor HW OS Container Runtime bin/lib App Container App Container bin/lib App Container Ծ૝αʔό 7. ίϯςφ $POUBJOFS ‣ 7.͸Ϧιʔε $16.FNPSZ/FUXPSL%JTL Λ   Ծ૝Խ ‣ ίϯςφ͸ϦιʔεͷԾ૝Խ͸ߦΘͳ͍ ɾϦιʔεͷ෼ׂͷΈ DHSPVQ OBNFTQBDF׆༻ ‣ ίϯςφΠϝʔδ͸ΞϓϦέʔγϣϯඞཁͳ   ϥΠϒϥϦΛ·ͱΊͨ΋ͷ ‣ ίϯςφΠϝʔδΛίϯςφϥϯλΠϜ্Ͱ࣮ߦ ‣ ίϯςφ͸ಠཱͨ͠ϥΠϒϥϦΛ࣋ͭ୯ͳΔϓϩηε ‣ ίϯςφʹΞΫηε͢ΔϢʔβ͔ΒΈͨΒ   7.ͱಉ͡Α͏ʹಠཱͨ͠؀ڥʹݟ͑Δ ͚ͩ GuestOS bin/lib App VM vCPU/Mem/ NW/Disk GuestOS bin/lib App VM vCPU/Mem/ NW/Disk GuestOS bin/lib App VM vCPU/Mem/ NW/Disk

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ίϯςφͷϝϦοτ 8 ‣ 7.ʹൺ΂ͯΠϝʔδαΠζ͕খ͍͞ ɾ7.7.Πϝʔδ 04Πϝʔδ ΞϓϦͷόΠφϦ (#ZUFT ɾίϯςφΞϓϦͷόΠφϦؔ࿈ϥΠϒϥϦ .#ZUFT ‣ σϓϩΠ͕࣌ؒ୹͍ ɾαΠζ͕খ͍ͨ͞Ίμ΢ϯϩʔυ͕࣌ؒ୹͍ ɾ7.ͱҧ͍Ծ૝ͷϚγϯͷ࡞੒͕ෆཁ ୯ͳΔϓϩηεىಈ ‣ ίϯςφϥϯλΠϜʹΑΓ04ͳͲͷҧ͍Λٵऩ ‣ ԼҐͷ04ͷ؀ڥΛΫϦʔϯʹอͯΔ ϥΠϒϥϦ͕๲Ε্͕Βͳ͍ ɾͭͷΞϓϦ͔͠ར༻͠ͳ͍ϥΠϒϥϦΛԼҐͷ04ʹηοτΞοϓෆཁ

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ͳͥίϯςφͳͷ͔ 9 ‣ 8FCαʔϏεͷීٴʹΑΓɺٸͳϦιʔε૿ڧ࡟ݮͳͲͷཁ๬ͷߴ·Γ ‣ ඞཁͳՕॴͷΈϦιʔε૿ڧʹԠ͑ΒΕΔΑ͏ʹαʔϏεΞϓϦͷ   ΞʔΩςΫνϟͷมԽ ϞϊϦγοΫ͔ΒϚΠΫϩαʔϏε΁ͷมԽ ‣ ηοτΞοϓ͔Βىಈ·Ͱͷ࣌ؒΛΑΓ୹͘ ‣ Ϋϥ΢υͷ7.΁ϩάΠϯͯ͠։ൃˠखݩͷ1$Ͱ։ൃ͠Ϋϥ΢υ΁   σϓϩΠ͢Δ։ൃελΠϧ΁γϑτ ‣ ؀ڥґଘ͔Βͷ୤ग़ ɾ։ൃ؀ڥͰ͸ಈ͍ͨͷʹɺຊ൪؀ڥͰ͸ಈ࡞ͤͣʜ   ݪҼҙ͍ࣝͯ͠ͳ͔ͬͨϥΠϒϥϦͷόʔδϣϯ͕ҧ͏ͳͲ

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ίϯςφΦʔέετϨʔγϣϯ ‣ ෳ਺ͷίϯςφϥϯλΠϜΛ·ͱΊͯӡ༻؅ཧ͢Δͷ͕   ίϯςφΦʔέετϨʔγϣϯ ɾίϯςφϥϯλΠϜ FH%PDLFS DPOUBJOFSE ɾίϯςφΦʔέετϨʔγϣϯ FH,VCFSOFUFT ,VCFSOFUFT HW OS Container Runtime bin/lib App Container App Container bin/lib App Container HW OS Container Runtime bin/lib App Container App Container bin/lib App Container HW OS Container Runtime bin/lib App Container App Container bin/lib App Container Container Network

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,VCFSOFUFTͱ͸ 11 ‣ ίϯςφΦʔέετϨʔγϣϯͷ   σϑΝΫτελϯμʔυ ‣ $/$'ͷΤίγεςϜͷத৺తଘࡏ   $MPVE/BUJWF$PNQVUJOH'PVOEBUJPO ‣ ओͳػೳ 4FMGIFBMJOH )PSJ[POUBMTDBMJOH 4FSWJDFEJTDPWFSZBOEMPBECBMBODJOH "VUPNBUFESPMMPVUTBOESPMMCBDLT 4UPSBHFPSDIFTUSBUJPO

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lམͪͳ͍z͔Βzૉૣ͘෮چz΁ 12 ‣ ๺ถ੢ւ؛ͷΫϥ΢υϕϯμʔΛத৺ʹγεςϜߏங͢ΔࡍͷՁ஋؍͕มԽ   ೥ࠒ͔Β ‣ lམͪͳ͍zγεςϜ͸ߴֹ׌ͭෳࡶʹͳΓ͕ͪ མͪͳ͍΋ͷͳ͍ ‣ lམͪͳ͍z͔Βzૉૣ͘෮چz͢ΔγεςϜ΁Ձ஋؍͕มԽ γεςϜߏ੒͚ͩͰͳ͘4-"΍σϓϩΠσϦόϦํ๏΋zૉૣ͘෮چzʹ   Ϛονͨ͠΋ͷʹมԽ ‣ ৽͍͠Ձ஋؍ʹϚον͢Δٕज़ͷҰͭͱͯ͠ίϯςφ,VCFSOFUFTΛ׆༻ མͪͳ͍γεςϜͷݕ౼Πϝʔδ ૉૣ͘෮چͷݕ౼Πϝʔδ ୹࣌ؒ Ͱͷ෮چํ๏   Λݕ౼

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ϓϩηεͷՔಇ཰ .5#' ฏۉނোִؒ .553 ฏۉम෮࣌ؒ Քಇ཰Քಇ࣌ؒͷ૯࿨શମ࣌ؒ.5#' .5#'.553 Քಇ࣌ؒ ఀࢭ࣌ؒ Քಇ࣌ؒ ఀࢭ ෼ Քಇ࣌ؒ ఀࢭ ෼ Քಇ࣌ؒ ఀࢭ ෼ ʜ Քಇ࣌ؒ ఀࢭ ෼ Քಇ࣌ؒ ఀࢭ ෼ ύλʔϯ೥ؒͷՔಇ཰ɹ .5#'࣌ؒ .553࣌ؒ ೥ؒ࣌ؒ ೔࣌ؒ ύλʔϯ೥ؒͷՔಇ཰ .5#'࣌ؒ .553࣌ؒ ෼ ‣ αʔϏε͸ఀࢭͤ͞ͳ͍͕ϓϩηε͸ΞοϓσʔτͳͲͰఀࢭ͋Γ ‣ ίϯςφ΍,VCFSOFUFT͸.553Λ୹͘͢Δͷʹ༗ޮͳٕज़ ‣ ಉ͡Քಇ཰Ͱ΋ύλʔϯ͸͋Γ ఀࢭ࣌ؒ͸ো֐͚ͩͰͳ͘   εέʔϧมߋɾόʔδϣϯΞοϓͳͲͷܭըతͳఀࢭ΋ؚΉ

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ίϯςφ,VCFSOFUFTͷ   ετϨʔδػೳ ,VCFSOFUFT ॳɾதڃऀ޲͚

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,VCFSOFUFTͷετϨʔδϞσϧ ‣ ϕϯμʔχϡʔτϥϧͳϞσϧ 1FSTJTUFOU7PMVNF$MBJN 1FSTJTUFOU7PMVNF 4UPSBHF$MBTT ‣ ؅ཧऀͱϢʔβͷ໾ׂΛߟྀͨ͠Ϟσϧ ‣ ετϨʔδ૷ஔͷૢ࡞ͳ͠Ͱ7PMVNFΛ   ίϯςφʹࣗಈͰϚ΢ϯτ ‣ ओʹϒϩοΫετϨʔδϑΝΠϧ   ετϨʔδ͕ର৅ 15 Ϣʔβ ؅ཧऀ

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1SPWJTJPOJOH 16 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

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1SPWJTJPOJOH 17 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 $SFBUF17$

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1SPWJTJPOJOH 18 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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1SPWJTJPOJOH 19 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 QSPWJTJPOFS͸$4*ʹ४ڌͨ͠ϓϩάϥϜ   $4*DPOUSPMMFSͷಈ͖͸ׂѪ

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1SPWJTJPOJOH 20 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 J4$4*/'44.# /7.FP'ͳͲ

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1SPWJTJPOJOH 21 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 J4$4*/'44.# /7.FP'ͳͲ

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ར༻ํ๏ 7.ɾ,VCFSOFUFTͷҧ͍ ‣ 7.ɿ7PM࡞੒ɺ7.΁ׂΓ౰ͯɺϚ΢ϯτΛ࣮ߦ ‣ ,VCFSOFUFT7PM࡞੒͔ΒΞϓϦͷσΟϨΫτϦ΁ͷϚ΢ϯτ·ͰΛҰׅ࣮ߦ 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 Storage OS Container Runtime (App) Container Storage HV VM App $JOEFS $4* .BOJGFTUΛσϓϩΠ 7PM࡞੒ 7.΁ׂ౰ Ϛ΢ϯτ

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$4* ‣ ίϯςφΦʔέετϨʔγϣϯ޲͚ͷετϨʔδ؅ཧ*'ͷඪ४࢓༷   ίϯτϩʔϧϓϨʔϯɺ#MPDL'JMF͕λʔήοτ ‣ $4*͸17࡞੒ɾϚ΢ϯτͳͲͷPVUPGCBOEͷ؅ཧ༻*' ࡞੒͞Εͨ17͸J4$4*/'44.#/7.FP'ͳͲͰαʔό΁Ϛ΢ϯτ ‣ ओཁͳίϯςφΦʔέετϨʔγϣϯ͕࠾༻   ,VCFSOFUFT $MPVE'PVOESZ .FTPT %PDLFS FUD ‣ ,VCFSOFUFTͰ͸ʹͯ("αϙʔτ ‣ ,VCFSOFUFTͷιʔεπϦʔ JOUSFF Ͱ؅ཧ͞Ε͍ͯͨετϨʔδ૷ஔʹ   ؔ࿈͢Δ࣮૷͕ɺSEϕϯμͰಠࣗʹ։ൃఏڙ͢Δ͜ͱ͕Մೳ 23

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$4*ͷΞʔΩςΫνϟ 24 ಈ࡞ݕূϨϙʔτIUUQTRJJUBDPNZTBLBTIJUBJUFNTCDGGCF $4*)FMQFS $POUBJOFS SE1BSUZ $4*7PMVNF %SJWFS$POUBJOFS /PEF1MVHJO %BFNPO4FU WBSMJCLVCFMFUQPET ʜTPDLFUT FYUFSOBMBUUBDIFS FYUFSOBMQSPWJTJPOFS SE1BSUZ $4*7PMVNF %SJWFS$POUBJOFS $POUSPMMFS1MVHJO 4UBUFGVM4FU &NQUZ%JS7PMVNF /PEF ,VCFMFU $POUSPMMFS .BOBHFS "1* 4FSWFS $POUSPM1MBOF FUDE H31$ 6%4 6%4 .PVOU   1SPQBHBUJPO 6%4 6%4 &YUFSOBM$PNQPOFOU$SFBUFECZSE1BSUZ7FOEPS ϕϯμ͕ఏڙ͢Δ$4*%SJWFS &YUFSOBM$PNQPOFOU$SFBUFECZ,VCFSOFUFTUFBN 6%4

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ίϯςφ·ͰͷϘϦϡʔϜͷύε σΟϨΫτϦ σόΠε EFWTEC EFWTEB ֎෦ετϨʔδ ಺ଂσΟεΫ ίϯςφ NOUEBUB WBSMJCLVCFMFUQPET1PEͷNFUBEBUBVJEWPMVNFTLVCFSOFUFTJPdDTJ17ͷNFUBEBUBOBNFNPVOU

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ϕΞϝλϧɾίϯςφɾ7.ͷൺֱ ϕΞϝλϧ 7. Ծ૝σΟεΫ 7. ύεεϧʔ ίϯςφ ,VCFSOFUFT %FWJDF'JMF 'JMF4ZTUFN 7. )ZQFSWJTPS 7. )ZQFSWJTPS %FWJDF'JMF $POUBJOFS /PEF %FWJDF'JMF 'JMF4ZTUFN 7PM /PEF %FWJDF'JMF 'JMF4ZTUFN "QQ 'JMF4ZTUFN %FWJDF'JMF "QQ 7PM 7PM 7PM 7JSUVBM %*TL "QQ 'JMF4ZTUFN "QQ %FWJDF'JMF

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%SJWFS J4$4*ͳͲ ͷ࣮ߦՕॴ ‣ ϕΞϝλϧͱίϯςφ͸αʔό /PEF ্Ͱ%SJWFS͕ಈ࡞ ‣ 7.Ͱ͸7.্ͷ04ʹͯ%SJWFS͕ಈ࡞ ߴෛՙ࣌ʹ7.ؒͷ4UFBM΍*0XBJU͕ൃੜ֤͠7.͔Β͸ؾ෇͔ͳ͍ੑೳྼԽͷϦεΫ༗Γ ֤7.ͰҟͳΔόʔδϣϯͷ%SJWFS͕ࠞࡏ 7.͝ͱͷ༏ઌ౓ͳͲετϨʔδͰ੍ޚͰ͖ΔΑ͏ɺJ4$4*4$4*ϓϩτίϧͷϕϯμʔ֦ுͷϑΟʔϧυ͠W$16ͳͲͷ৘ใ Λ෇༩͢Δ੡඼΋͋Γɻ͜ͷ৔߹ετϨʔδଆ΋ϗετϞʔυͳͲͷઃఆ͕ඞཁ /PEF ,FSOFM 4UPSBHF $POUBJOFS $POUBJOFS "QQ %SJWFS )ZQFSWJTPS 4UPSBHF 7. 7. %SJWFS %SJWFS )ZQFSWJTPS 4UPSBHF 7. 7. "QQ %SJWFS %SJWFS /PEF ,FSOFM 4UPSBHF "QQ %SJWFS %SJWFS "QQ "QQ "QQ "QQ ϕΞϝλϧ 7. Ծ૝σΟεΫ 7. ύεεϧʔ ίϯςφ ,VCFSOFUFT

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ੑೳ΁ͷӨڹ ‣ 8SJUF׬ྃͷ໋ྩΛ୭͕ฦ͢ͷ͔ˍ%SJWFS͕Քಇ͢Δ04ͷੑೳͰҧ͍͋Γ ‣ ίϯςφ͸ϕΞϝλϧͱಉ༷ʹૉ௚ͳੑೳ ‣ 7. Ծ૝σΟεΫ ͸7.͔Βͷ8SJUF׬ྃ͸Ծ૝σΟεΫͰฦ͢   Ծ૝σΟεΫ͔ΒετϨʔδ΁͸ඇಉظͰͷ8SJUF Ұൠతʹੑೳ͸ߴ଎ͳ͜ͱ͕ଟ͍ɻͨͩ͠ɺ)ZQFSWJTPS͕ੑೳϘτϧωοΫʹͳΔέʔε΋͋ΔͨΊੑೳઃܭͰ͸ཁ஫ҙ /PEF ,FSOFM 4UPSBHF $POUBJOFS $POUBJOFS %SJWFS )ZQFSWJTPS 4UPSBHF 7. 7. %SJWFS %SJWFS )ZQFSWJTPS 4UPSBHF 7. 7. "QQ %SJWFS %SJWFS /PEF ,FSOFM 4UPSBHF %SJWFS %SJWFS "QQ "QQ "QQ "QQ ϕΞϝλϧ 7. Ծ૝σΟεΫ 7. ύεεϧʔ ίϯςφ ,VCFSOFUFT "QQ "QQ

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ίϯςφͷੑೳʹؔ͢Δࢀߟ࿦จ ‣ *#."VTUJO3FTFBSDI-BCPSBUPSZͷ͕ൃද ‣ l"O6QEBUFE1FSGPSNBODF$PNQBSJTPOPG7JSUVBM .BDIJOFTBOE-JOVY$POUBJOFSTz ‣ /BUJWF %PDLFS ,7.ͰͷϕϯνϚʔΫ݁ՌΛղઆ 29 ग़యɹIUUQTJFFFYQMPSFJFFFPSHEPDVNFOU

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,VCFSOFUFTͷ   ࠷৽ετϨʔδػೳ ,VCFSOFUFT தɾ্ڃऀ޲͚

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৽ͨʹ௥Ճ͞Εͨػೳ ‣ Ҏ߱ʹొ৔ͨ͠৽ػೳͰ஫໨͍ͯ͠Δ΋ͷΛ঺հ (FOFSJD&QIFNFSBM7PMVNF (" "VUPSFNPWF17$TDSFBUFECZ4UBUFGVM4FU "MQIB 3FBE8SJUF0ODF1PE "MQIB 7PMVNF)FBMUI.POJUPS "MQIB $POUBJOFS0CKFDU4UPSBHF*OUFSGBDF $04* "MQIB 31

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(FOFSJD&QIFNFSBM7PMVNF ‣ ௨ৗͷ17$17͸1PE͕࡟আ͞Εͯ΋ɺ࡟আ͞Εͳ͍ 7PMVNF͸࢒ͬͨ·· ‣ &QIFNFSBM7PMVNF͸1PE͕࡟আͱಉ࣌ʹ17$17΋࡟আ ΞϓϦͷ࡟আͱಉ࣌ʹ7PMVNF࡟আ͢ΔϢʔεέʔε޲͚ w ྫը૾ॲཧ΍Ի੠ॲཧͷΑ͏ʹதؒσʔλΛग़ྗ͢ΔΞϓϦ ‣ ಛผͳ$4*υϥΠό͸ෆཁ͔ͭطଘ17$17ͰαϙʔτࡁΈͷػೳ͕ར༻Մ   32 ಈ࡞ݕূϨϙʔτIUUQTRJJUBDPNZTBLBTIJUBJUFNTEEGBGC ௨ৗͷ17$17 &QIFNFSBM7PMVNF

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"VUP3FNPWF17$ 4UBUFGVM4FU ‣ 4UBUFGVM4FU WPMVNF$MBJN5FNQMBUF ͔Β࡞੒͞Εͨ17$17Λ 4UBUFGVM4FU࡟আεέʔϧΠϯ SFQMJDBTͷ࡟ݮ ʹ࿈ಈ͠࡟আ͢Δػೳ ௨ৗ͸1PEΛ࡟আͯ͠΋17$17͸࡟আ͞Εͣ VNPVOUEFUBDIͷΈ ‣ ςετ࣌΍ύϒϦοΫΫϥ΢υͳͲͰར༻͞Ε͍ͯͳ͍17$17 7PMVNF ͕ҙਤͤͣ࢒Γଓ͚՝ۚ͞Εଓ͚ΔͷΛආ͚͍ͨͱͷཁ๬ IPHF IPHF IPHF IPHF SFQMJDBT IPHF IPHF SFQMJDBT IPHF IPHF SFQMJDBT TDBMFJOલ σϑΥϧτͷڍಈ "VUP3FNPWFઃఆ࣌ 33 ҙਤͤͣ 7PM࡟আ͞ΕΔ ϦεΫ͕͋ΔͨΊ ཁ஫ҙ ಈ࡞ݕূϨϙʔτIUUQTRJJUBDPNZPTTIJ@JUFNTEECBBDB

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3FBE8SJUF0ODF1PE ‣ 17$17ʹͯ࢖༻͢ΔϚ΢ϯτ࣌ͷΞΫηεݖ "DDFTT.PEF ͸ ,VCFSOFUFTWҎલ͸छྨ 380 309 389 ‣ ,VCFSOFUFTWͷΞϧϑΝػೳͱͯ͠3FBE8SJUF0ODF1PE 3801 ͕   ৽ͨʹ௥Ճ 34 3FBE8SJUF0ODF 380 /PEF 3FBE8SJUF ͭͷ/PEF͔Β3FBE8SJUF ͰϚ΢ϯτͰ͖Δ 3FBE0OMZ.BOZ 309 /PEF 3FBE ෳ਺ϊʔυ͔Β3FBE0OMZ ͰϚ΢ϯτͰ͖Δ /PEF 3FBE 3FBE8SJUF.BOZ 389 /PEF ෳ਺ϊʔυ͔Β3FBE8SJUF ͰϚ΢ϯτͰ͖Δ /PEF 3FBE8SJUF 3FBE8SJUF 3FBE8SJUF0ODF1PE 3801 /PEF ͭͷ1PE͔Β3FBE8SJUFͰ Ϛ΢ϯτͰ͖Δ /PEF 3FBE   8SJUF 3FBE8SJUF /FX ಈ࡞ݕূϨϙʔτIUUQTRJJUBDPNZTBLBTIJUBJUFNTBEGFBGDFF

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3FBE8SJUF0ODF1PE ଓ͖ ‣ "DDFTT.PEF͸ετϨʔδͷϚ΢ϯτͷ࢓༷͔Βઃܭ FH J4$4* CMPDL ͩͱ3FBE8SJUF0ODF /'4 fi MF ͩͱ3FBE8SJUF.BOZ ‣ ετϨʔδࢹ఺Ͱ͸ϊʔυ΁ͷ7PMVNFׂΓ౰ͯͷͨΊɺϚ΢ϯτ࣌ʹ   ΤϥʔͱͳΒͣ3FBE8SJUF0ODF ࠨਤ ͕Ͱ͖ͯ͠·͏ ‣ ϩοΫϝΧχζϜΛ࣋ͨͳ͍#MPDLετϨʔδͷ৔߹ɺࠨਤͷߏ੒͸   σʔλഁյͱͳΔϦεΫ͋Γ ‣ ͭͷ1PE͔ΒͷΈ͔͠8SJUF͞Εͳ͍͜ͱΛอূ͢Δ3801͕ొ৔ 35 3FBE8SJUF0ODF 380 /PEF 3FBE8SJUF 3FBE8SJUF0ODF1PE 3801 /PEF 3FBE   8SJUF 3FBE8SJUF

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7PMVNF)FBMUI.POJUPS ‣ 1PEʹϚ΢ϯτ͞Εͨ7PMVNFΛఆظత؂ࢹ͢Δػೳ كʹ͔͠ΞΫηε͞Εͳ͍7PMVNF͸ɺ͍͟࢖͓͏ͱࢥͬͨΒյΕ͍ͯΔ έʔε͋Γ ‣ ͜ΕΛ๷͙ͨΊ7PMVNF)FBMUI.POJUPSͷ࢓૊Έ͕$4*ʹ௥Ճ ‣ ,VCFSOFUFTWͰ͸؂ࢹͷΈ͕ͩɺকདྷ͸GTDLͷࣗಈ࣮ߦͳͲ   ࣗಈ෮چͷͨΊͷ଍ֻ͔Γͷػೳ /PEF /PEF IFBMUI   NPOJUPSBHFOU IFBMUI   NPOJUPSDPOUSPMMFS /PEF IFBMUI   NPOJUPSBHFOU ఆظνΣοΫ ఆظνΣοΫ ݁Ռ௨஌ 1PE ͷ&WFOU΁ ݁ՌΛه࿥ Events: Type Reason Age From Message ---- ------ ---- ---- ------- ... Normal VolumeConditionNormal 5m53s (x141 over 19m) csi-pv- monitor-agent-hostpath.csi.k8s.io The Volume returns to the healthy state Warning VolumeConditionAbnormal 53s (x11 over 20m) csi-pv- monitor-agent-hostpath.csi.k8s.io The volume isn't mounted ಈ࡞ݕূϨϙʔτIUUQTRJJUBDPNZTBLBTIJUBJUFNTCGDDFCGDF 36

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$04* ‣ $4* $POUBJOFS4UPSBHF*OUFSGBDF ͷର৅͸ϒϩοΫϑΝΠϧετϨʔδ ‣ ΦϒδΣΫτετϨʔδ޲͚ʹ$04* $POUBJOFS0CKFDU4UPSBHF *OUFSGBDF ͕ొ৔ ·ͩ·ͩϕΠϏʔϑΣʔζ IUUQTDPOUBJOFSPCKFDUTUPSBHFJOUFSGBDFHJUIVCJP ‣ $04*ࣗମ͕ΞϧϑΝͷͨΊɺ,VCFSOFUFTͷϦιʔεͱͯ͠͸   ೖ͓ͬͯΒͣ ར༻࣌͸ผ్$3% $VTUPN3FTPVSDF%J fi OJUJPOT ΛσϓϩΠ͢Δඞཁ͋Γ ‣ Ϟσϧͷઃܭ͸17$174UPSBHF$MBTTͱྨࣅͨ͠ઃܭࢥ૝   "MQIBͷͨΊมߋͷՄೳੑ͋Γ 37 37

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$04* ଓ͖ 38 $4* $04* 1FSTJTUFOU7PMVNF$MBJN 17$ ࡞੒͢Δ7PMVNFͷཁٻ಺༰ #VDLFU3FRVFTU ࡞੒͢Δ#VDLFUͷཁٻ಺༰ 1FSTJTUFOU7PMVNF 17 ࡞੒͞Εͨ7PMVNF #VDLFU ࡞੒͞Εͨ#VDLFU 4UPSBHF$MBTT 4$ 7PMVNFͷੜ੒ݩͱͳΔ1PPM #VDLFU$MBTT #VDLFUͷੜ੒ݩͱͳΔ1PPM ࢓༷ௐࠪϨϙʔτIUUQTRJJUBDPNZTBLBTIJUBJUFNTGBFFGFF $04*Ͱ͸্هͷଞʹΫϨσϯγϟϧ৘ใΛѻ͏Ϧιʔεͱͯ͠ #VDLFU"DDFTT3FRVFTU #VDLFU"DDFTT #VDLFU"DDFTT$MBTT ͷͭͷϦιʔε͕͋Δ $4*ͱ$04*ͷϞσϧൺֱ $04*ͷΞʔΩςΫνϟ

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͜Μͳ$4*υϥΠό͸ݏͩ   ݸਓͷࡶײ ετϨʔδ   ϕϯμʔ޲͚

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lૉૣ͘෮چz͕ཧղͰ͖͍ͯͳ͍ 40 ‣ ؅ཧऀ͕खಈͰઃఆ͠ͳ͚Ε͹ӡ༻Ͱ͖ͳ͍ϑϩʔ͕͋Δ$4*υϥΠό͸   ਏ͍ ‣ ෮چ࣌ʹ؅ཧऀͷਓखͰରԠ͕ඞਢʹͳΔ΋ͷ͸ɺzૉૣ͘෮چz͸Ͱ͖ͳ͍ ‣ $4*࢓༷͑͞ຬͨͤ͹$4*υϥΠόͱͯ͠े෼ͱߟ͑ͯ։ൃ͞Ε͍ͯΔ΋ͷ͕   ͜ͷ܏޲ʹ͋Δҹ৅ ‣ Ұྫͱͯ͠ҎԼͷ৔߹ʹखಈͰઃఆ͠ͳ͚Ε͹ೖΔέʔε͕ଟ͍ ҹ৅ ϊʔυ͕௥Ճ࡟আ͞Εͨ৔߹͓Αͼ*1ΞυϨε*2/͕มߋ͞Εͨ৔߹ɺ ετϨʔδଆͷ"$-ઃఆ͸खಈͰมߋ $4*υϥΠόͷΞοϓσʔτ͸खಈͰͷରԠͷΈ͔͠ͳ͍ 04ͷ,FSOFMόʔδϣϯͳͲͷґଘ͕ڧ͍ ෮چํ๏ͱͯ͠04ΞοϓσʔτͰͷ෮چ͕ෆՄ

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$4*υϥΠόͷόʔδϣϯΞοϓ ‣ ֤ࣾఏڙͷ$4*υϥΠόͷόʔδϣϯΞοϓ͕ߦΘΕͳ͍ස౓͕௿͍΋ͷ͸ ར༻Ͱ͖ͳ͍ ͨ͘͠ͳ͍ ‣ ,VCFSOFUFTͷϦϦʔε͸ϲ݄ʹճ աڈ͸ϲ݄ʹճ ίϛϡχςΟͰͷαϙʔτ͸όʔδϣϯ·Ͱ ͭ·Γ೥લͷ,VCFSOFUFTͷόʔδϣϯ·Ͱ͔͠αϙʔτ͞Ε͍ͯͳ͍ ‣ $4*ͷ࢓༷͓ΑͼόΠφϦ͸,VCFSOFUFTͷϦϦʔεʹ߹Θͤͯόʔδϣϯ Ξοϓ͞ΕΔέʔε͕ଟ͍ ‣ ֤ࣾఏڙͷ$4*υϥΠό͕೥Ҏ্ߋ৽͞Ε͍ͯͳ͍΋ͷ͸ɺϥΠϒϥϦͳͲ ΋ݹ͘αϙʔτ͞Ε͍ͯͳ͍ঢ়ଶ ‣ ࠷৽ͷ,VCFSOFUFTͰ͸ར༻Ͱ͖ͳ͍ ಈ͍ͯ΋ϥΠϒϥϦ͸αϙʔτ֎ 41

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αϙʔτ͕ετϨʔδࢹ఺ͷΈ ‣ ετϨʔδΛར༻͢ΔϢʔβ͔Βݟͨ࣌ͷ   αϙʔτΛظ଴͢Δք໘͕มԽ ‣ ετϨʔδϕϯμʔͷαϙʔτ࣌ʹ   ετϨʔδͷΈͷࢹ఺Ͱ͔͠αϙʔτ͞Ε   ͳ͍ճ౴͞Εͳ͍ͷ͸ਏ͍ $4*υϥΠόͷαϙʔτʹ͸04 ,VCFSOFUFTͷ஌͕ࣝඞཁ ‣ աڈͷαϙʔτମ੍͔ΒਐԽͤ͞ରԠͯ͠   ͘ΕΔϕϯμʔ͸خ͍͠ 42 ,VCFSOFUFT 4UPSBHF /PEF 04 $4*%SJWFS "QQT ੺ࣈϕϯμʔఏڙ 4UPSBHF )ZQFS7JTPS 7. 04 "QQT %SJWFS˞ ˞0QFO4UBDL$JOEFS%SJWFSͳͲ ք໘ αϙʔτ࣌ʹ ϕϯμʔʹ   ظ଴͢Δ ௐࠪൣғ 7. ίϯςφ

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·ͱΊ ‣ ΠϯϑϥΛߏங͢ΔࡍͷՁ஋؍͕zૉૣ͘෮چz΁γϑτ ‣ ৽͍͠Ձ஋؍Λ࣮ݱ͢ΔͨΊͷಓ۩ͷҰ͕ͭίϯςφ,VCFSOFUFT ‣ ,VCFSOFUFTͷετϨʔδؔ࿈ͷ࠷৽ػೳ͸ɺαʔό ϊʔυ ͔ΒΈͨ   ετϨʔδͷ؅ཧػೳ͕ڧԽ ‣ ໿೥,VCFSOFUFTʹऔΓ૊ΜͰɺӡ༻͠ʹ͍͘ར༻Ͱ͖ͳ͍ͱײͨ͡   $4*υϥΠόʹ͍ͭͯࡶײΛ঺հ ‣ ίϯςφ,VCFSOFUFTͷࢢ৔΁৐Γग़͢ͷͰ͋Ε͹ɺόοΫάϥϯυͱ   ͳΔ৽͍͠Ձ஋؍Λཧղ͠ɺ։ൃɾαϙʔτͷจԽ Ձ஋؍εϐʔυײମ੍ ͷγϑτʹ΋औΓ૊Ή͜ͱ͕ॏཁ ରԠ੡඼ΛϦϦʔε͢Ε͹ྑ͍ͱ͍͏΋ͷͰ͸ͳ͍ 43