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学術クラウド基盤mdx IIの 設計と運用 2026年6月10日 高橋 慧智(大阪大学)

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ࣗݾ঺հ w ໊લߴڮܛஐ ͔ͨ͸͚͍ͪ͠  w ॴଐେࡕେֶ%ηϯλʔ εύίϯ౳ͷશࠃͷݚڀऀ͕ڞಉར༻͢Δ ܭࢉࢿݯͷઃܭɼௐୡɼӡ༻  w ઐ໳ߴੑೳܭࢉ ಛʹεύίϯͷγεςϜ ιϑτɼϓϩάϥϛϯά؀ڥɼੑೳ࠷దԽͳͲ  w ܦྺ w େࡕେֶ ʙ೥  w ಸྑઌ୺Պֶٕज़େֶӃେֶॿڭ ʙ೥  w ౦๺େֶαΠόʔαΠΤϯεηϯλʔॿڭ ʙ೥  w େࡕେֶ%ηϯλʔ।ڭत ೥݄ʙ 2

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ैདྷͷ)1$γεςϜͷ՝୊ w ैདྷܕͷ)1$γεςϜ͸ɺσʔλՊֶ΍ػցֶश༻్ʹ͓͍ͯ՝୊ʹ௚໘ ⿞ϋʔυ΢ΣΞ΍ιϑτ΢ΣΞͷΧελϚΠζੑ͕ݶఆత ⿞αʔόͷΑ͏ͳ௕࣮࣌ؒߦδϣϒ͸΄΅ෆՄೳ ⿞֎෦ͷσʔλݯ΍ετϨʔδͱͷ઀ଓੑ͕ශऑ 3 🤔 ιϑτʓʓΛΠϯετʔ ϧ͍͕ͨ͠SPPU͕ඞཁ ෼ੳπʔϧʓʓ͸8JOEPXTͰ͔͠ ಈ࡞͠ͳ͍ɻ 🧐 σʔληοτΛ8FC্Ͱ ެ։͍ͨ͠ ࣮ݧࢪઃ͔Β؍ଌσʔλΛ ετϦʔϛϯά͍ͨ͠ 🤨

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NEY w େֶɾݚڀػ͕ؔڞಉௐୡɾӡ༻͢ΔΫϥ΢υج൫ ⿞ॊೈͳܭࢉ؀ڥͷߏங ⿞҆શͰִ཭͞ΕͨԾ૝؀ڥͷߏங ⿞σʔλιʔεͱͷγʔϜϨεͳ࿈ܞ ⿞ϦΞϧλΠϜۓٸδϣϒ΁ͷରԠ w NEY*͸೥ʹ౦ژେֶʹಋೖ 4 NEY*ͷ֓ཁ<> T. Suzumura et al., “mdx: A Cloud Platform for Supporting Data Science and Cross-Disciplinary Research Collaborations,” DASC/PiCom/CBDCom/CyberSciTech, 2022.

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NEY** w ࠷৽ϋʔυ΢ΣΞͷಋೖͱ஍ཧత৑௕ੑɾ଱ো֐ੑͷ࣮ݱΛ໨ࢦͯ͠೥ ݄ʹେࡕେֶʹಋೖ͞ΕͯαʔϏε։࢝ w 0QFO4UBDLΛج൫ͱͭͭ͠ɺฒྻϑΝΠϧγεςϜɺΦϒδΣΫτετϨʔ δɺϑΝΠϧϗεςΟϯά6*ɺϑΣσϨʔγϣϯೝূͳͲ༷ʑͳཁૉΛ౷߹ 5 K. Takahashi et al., “mdx II: A High-Performance Cloud Infrastructure for Data-Intensive and Cross-Disciplinary Science,” SN Computer Science, vol. 6, no.8, Dec. 2025.

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খن໛؀ڥ͔ΒεςοϓΞοϓ࣌ͷ՝୊؅ཧίετ w Ϣʔβ͕૿͑Δʹͱ΋ͳ͍ɺཁ݅ɾཁٻ΋ ଟ༷Խ ⿞ڞ༻ΫϥελͰ͸ɺ؅ཧऀ͕ιϑτ΢Σ ΞΛ഑උ͢ΔͨΊɺશͯͷཁٻʹԠ͑Δ ͷ͸ࠔ೉ w 04ͷछྨ΍όʔδϣϯͷมߋ͸͞Βʹࠔ೉ ⿞ిࢠݦඍڸͷղੳιϑτ͕8JOEPXTͰ͠ ͔ಈ͔ͳ͍ ⿞όΠφϦ͔͠ఏڙ͞Εͳ͍πʔϧ͕ɺγε ςϜͷHMJCD͕ݹ͗ͯ͢ಈ͔ͳ͍ ⿞ʜ 6 ϋʔυ΢ΣΞ 04 -JOVY ਺஋ܭࢉ ϥΠϒϥϦ ίϯύΠϥ "*ϑϨʔϜ ϫʔΫ ΞϓϦέʔγϣϯ

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খن໛؀ڥ͔ΒεςοϓΞοϓ࣌ͷ՝୊ετϨʔδੑೳ w খن໛؀ڥͰ͸/'4Ͱڞ༗ετϨʔδΛߏங͢Δ͜ͱ͕Ұൠత ⿞αʔό୆Ͱ͸ੑೳɾ༰ྔɾ଱ো֐ੑͷ޲্ʹݶք w ϩʔΧϧετϨʔδ ܭࢉϊʔυʹ౥ࡌ͞Ε͍ͯΔετϨʔδ ΋͋Δ͕ʜ ⿞ΞϓϦΛमਖ਼͠ɺεςʔδΠϯɾΞ΢τॲཧΛ࣮૷͢Δඞཁ ⿞େن໛σʔληοτ͸ϩʔΧϧετϨʔδʹ৐Γ੾Βͳ͍ 7 /'4αʔό /'4ΫϥΠΞϯτ TIBSF TIBSF TIBSF TIBSF σΟεΫ౥ࡌ਺ ͷݶք ΞΫηεूத

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NEY**ͷΞʔΩςΫνϟ 8 CPUϊʔυ x60 CPU CPU NIC RAM RAM GPUϊʔυ x15 CPU CPU NIC RAM RAM GPU GPU NIC Ethernet 200Gbps GPU GPU NFS S3DS Nextcloud Object storage 432TB Lustre 553TB ؅ཧαʔό *OUFSOFU 4*/&5

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ϥοΫ֎؍ 9 (16ϊʔυ /7*%*")౥ࡌ γεςϜશମ

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ܭࢉϊʔυͷߏ੒ 10 $16ϊʔυ (16ϊʔυ CPU Intel Xeon Platinum 8480+ (56 cores) x2 Intel Xeon Gold 6530 (32 cores) x2 Memory 512 GiB (DDR5-4800 SDRAM ) 1024 GiB (DDR5-5600 SDRAM ) GPU N/A NVIDIA H200 SXM5 x4 Network 200 Gbps Ethernet x1 200 Gbps Ethernet x2 # of nodes 60 15 $16ϊʔυ ϊʔυ6 (16ϊʔυ 6

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ετϨʔδઃܭ 11 ΠϯλʔϑΣʔε ༰ྔ ໨త Block POSIX 100 TB 7.σΟεΫ Lustre POSIX 1,006 TB ߴੑೳɾฒྻ*0 S3DS S3-compatible API ߴੑೳ*0 HyperStore S3-compatible API 432 TB σʔλऩ༰ɾΞʔΧΠϒɾެ։ /dev/vda /lustre /nfs WJSUJPCML )PTU (VFTU -VTUSF /'44FSWFS 4%4 4FSWFS &9"4DBMFS )ZQFS4UPS F 4 4 &9"4DBMFS্ )ZQFS4UPSF্

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Ծ૝Խج൫ͷબఆ w ઃܭஈ֊Ͱ͸W4QIFSFɺ0QFO4UBDLɺ,VCFSOFUFTͳͲΛൺֱݕ౼ w 7.8BSFW4QIFSF͸ϥΠηϯεྉ͕ߴֹ ⿞NEYͱൺ΂Δͱ༧ࢉ͕খ͘͞ɺϊʔυ਺Λ૿΍͢͜ͱͷํ͕ॏཁͱ൑அ w ,VCFSOFUFT͸࢖͍͜ͳͤΔϢʔβ͕ଟ͘ͳ͍ ⿞૝ఆϢʔβ͸ܭࢉػͷઐ໳ՈͰ͸ͳ͍ͨΊɺௐୡ࣌఺Ͱ͸࣌ظঘૣͱ൑அ ⿞ͳ͓NEYͷޙܧػͰ͸,VCFSOFUFTΛ࠾༻༧ఆͱͷ͜ͱ 12

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0QFO4UBDLͷར఺ɾܽ఺ w Ϋϥ΢υʹظ଴͢Δ࠷௿ݶͷػೳ͸͋Δ ⿞Ծ૝ϚγϯɺετϨʔδɺωοτϫʔΫ౳ ⿞࢖͍ํ΍ϊ΢ϋ΢͸Πϯλʔωοτ্ʹ๛ ෋ʹଘࡏ w 3&45"1*͕ॆ࣮͓ͯ͠Γ༷ʑͳπʔϧͱͷ࿈ ܞɾࣗಈԽ͕༰қ ⿞ٯʹ(6*ͰͰ͖ͳ͍ૢ࡞ Ծ૝σΟεΫͷ %-ɺΠϝʔδͷڞ༗౳ ͕͔ͳΓ͋Δ 13

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-VTUSFͷར఺ɾܽ఺ w εύίϯͳͲେن໛ΫϥελͰ޿͘༻͍Β Ε͍ͯΔฒྻ෼ࢄϑΝΠϧγεςϜ w ༰ྔ΍ੑೳ͸΄΅ແ੍ݶɺ଱ো֐ੑ΋ߴ͍ w 104*9ޓ׵ͷͨΊɺΞϓϦͷमਖ਼͸ෆཁ w ઃܭ΍ӡ༻͕೉͘͠ɺ044Ͱ͸͋Δ͕ϕϯ μ %ࣾ ͷӡ༻อक͕࣮࣭తʹෆՄܽ w )1$؀ڥ͔Βൃల͖ͯͨͨ͠ΊɺϚϧνς φϯγͳͲΫϥ΢υ޲͚ػೳ͸΍΍ऑ͍ 14 IUUQTXJLJMVTUSFPSHΑΓ

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૬ޓ݁߹໢ͷઃܭ w (C&Λ࢖͍੾Δ͜ͱ͸೉͍͠ ⿞Ծ૝/8Λνϡʔχϯάͯ͠΋7.ؒͷଳ Ҭ෯͸(CQTఔ౓ ෳ਺5$1઀ଓར༻  w 43*07Λ༗ޮʹ͢Δͱ(CQTୡ੒ ⿞ͨͩ͠0QFO4UBDL্Ͱ43*07Λ࢖͏ͷ ͸ෆศ ࣮࣭తʹ7.͕ϊʔυʹݻఆ͞Ε Δ  w 3P$&΋)8తʹ͸ՄೳͳͨΊɺϚϧνϊʔ υͷཁ๬͕ଟ͚Ε͹ݕ౼  43*07લఏ 15 Y

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ӡ༻ͷ஌ݟ*BB4ಛ༗ͷϢʔβαϙʔτͷ೉͠͞ w ʮࡢ೔·ͰϩάΠϯͰ͖͍ͯͨͷʹɺٸʹϩάΠϯͰ͖ͳ͘ͳͬͨʯ ⿞ϢʔβͷܭࢉϓϩάϥϜ͕ݪҼͷ00.ͩͬͨͷͰɺDHSPVQTΛ࢖ͬͨϦ ιʔε੍ݶͷํ๏ΛҊ಺ ⿞εύίϯͰ͸ӡ༻ଆ͕ߦ͏޻෉͕ɺϢʔβͷ੹೚ w 7.ͷதͰ੬ऑͳιϑτ΢ΣΞͷ࣮ߦ΍ઃఆΛ͞ΕΔՄೳੑ ⿞ϑΝΠΞ΢Υʔϧ΍44)ͳͲͷجຊతͳઃఆΛҊ಺ ⿞ηΩϡϦςΟϗϫΠτϖʔύʔΛެ։͠ɺ੹೚෼ք఺Λ໌֬Խ ⿞શֶͷηΩϡϦςΟ؂ࠪͷର৅ʹશ7.Λઃఆ 16

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ӡ༻ͷ஌ݟॊೈੑͱੑೳͷτϨʔυΦϑ w W$16Λ෺ཧίΞʹݻఆͤͣʹӡ༻ ⿞7.ͷෛՙ͸ߴ͘ͳ͍ͱ૝ఆ͠ɺࢿݯར ༻཰Λ༏ઌ ⿞7.ؒͷੑೳׯবͳͲ͕ൃੜ͠͏Δͷ Ͱɺ঎༻Ϋϥ΢υͰ͸௨ৗݻఆ w $16ϊʔυͰ͸43*07Λෆ࢖༻ ⿞ੑೳ͸্͕Δ͕ɺ7.͕/*$ͱඥ͖ͮϥΠ ϒϚΠάϨʔγϣϯ͕࢖༻ෆՄ 17 ίΞ ίΞ ίΞ ίΞ ίΞ ίΞ 7. 7. 7. W$16ݻఆ͋Γ W$16ݻఆͳ͠ ଞʹ΋ੑೳͱॊೈੑ ࢿݯར༻ޮ཰FUD ͷτϨʔυΦϑ͸֤ॴͰൃੜ͢Δ

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ࠓޙͷ՝୊ w (16ࢿݯͷෆ଍ ⿞ϊʔυ (16 ͕طʹຒ·͓ͬͯΓधཁʹԠ͑ΒΕͳ͍ঢ়گ ⿞֦ுͷͨΊͷ༧ࢉ֫ಘʹਚྗத͕ͩɺ(16͕ߴ͍ʜ😰 w ՝ۚ؅ཧγεςϜ ⿞՝ۚ؅ཧγεςϜ͕ͳ͍ͨΊɺਓྗͰࢿݯͷ૿ݮɺ՝ֹۚͷܭࢉɺ੥ٻॻ ͷൃߦͳͲΛߦ͍ͬͯΔ ⿞εύίϯͱಉ༷ͷར༻ऀ؅ཧγεςϜΛಋೖ͠Α͏ͱ͢ΔͱɺγεςϜن໛ ʹରͯ͠ݟ߹Θͳ͍ 18