Muva nje, inkampani yethu yethule umkhiqizo omusha - . Kuyinkundla eguquguqukayo enomklamo ogxile ekusebenzeni onika amandla ukukalwa kwezinhlangothi eziningi, ukuncishiswa kwedatha okuqhubekayo (ukucindezela nokuphindaphinda), nokusekelwa kwemidiya yesizukulwane esilandelayo. I-PowerStore isebenzisa i-microservices architecture, ubuchwepheshe besitoreji esithuthukisiwe, nokufunda komshini okuhlanganisiwe.
Yile divayisi esifuna ukukutshela yona ngokuningiliziwe - kunolwazi oluncane okwamanje futhi, sithemba ukuthi ukuyithola kuqala ngeke kube mnandi nje kuphela, kodwa futhi kuwusizo. Kokuthunyelwe kwanamuhla sizobheka izici ezibalulekile nezici zesixazululo, futhi kokuthunyelwe okulandelayo sizongena sijule emininingwaneni yezobuchwepheshe nezinkinga zentuthuko.
Izinzuzo zamasistimu amasha esitoreji:
- Izakhiwo zesimanje ze-microservice. Isistimu isekelwe ekwakhiweni kweziqukathi, lapho izingxenye ze-OS ngayinye zihlukaniswa ngama-microservices ahlukene. I-Microservice architecture iqinisekisa ukuphatheka kwemisebenzi kanye nokuqaliswa okusheshayo kokusebenza okusha. Lesi sakhiwo sikuvumela ukuthi uguqule ngokushesha ukusebenza okubhalwe ngaphambilini endaweni entsha ngoba ama-microservices ayazilawula futhi awathinti wodwa; i-microservice architecture ivumela ukuthembeka okuphezulu kwalo lonke uhlelo uma kuqhathaniswa nesakhiwo se-monolithic. Isibonelo, ukubuyekezwa kwe-microcode kuvame ukuthinta amamojula angawodwana kuphela, kunohlelo lonke (noma i-kernel yalo), futhi, ngenxa yalokho, luhamba kahle kakhulu.
- Ukusebenzisa ubuchwepheshe bokugcina obuthuthukisiwe. Ukusekelwa kwe-Intel Optane Storage Class Memory (SCM) ne-NVMe All-Flash kusiza ukuqeda amabhodlela esistimu futhi kuthuthukise kakhulu ukusebenza kwesistimu nesikhathi sokuphendula.
- Yehlisa ngokuqhubekayo ivolumu yedatha ngokuhamba kwesikhathi. Ukucindezelwa kwedatha okuhlala kuvuliwe kanye nezindlela zokuphindaphinda zikuvumela ukuthi wehlise ivolumu ethathwe idatha ngaphakathi kwesistimu futhi uthuthukise isitoreji. Lokhu kukuvumela ukuthi wehlise izindleko zokuthenga nokusebenzisa uhlelo futhi ukwandise ukusebenza kahle.
- I-flexible scalability yesixazululo. Ukwakhiwa kwezixazululo ze-Dell EMC PowerStore kusekela kokubili ukukalwa okuqondile nokuvundlile, ukuze ukwazi ukuhlela ngempumelelo ukunwetshwa kwengqalasizinda ngokwandisa umthamo noma izinsiza zekhompyutha ngokuzimela.
- Izindlela ezakhelwe ngaphakathi zokuvikela idatha. Amasistimu e-PowerStore anezinhlobonhlobo zezindlela zokuvikela idatha ezakhelwe ngaphakathi - kusukela kuzifinyezo nokuphindaphinda ukuya ekubethelweni kwedatha nokuhlanganiswa nezinhlelo zokulwa namagciwane. Uhlelo futhi luhlanganisa kabanzi nezixazululo zangaphandle, zombili ezivela kwaDell Technologies nabanye abakhiqizi.
- Izinhlelo zokusebenzaON. Nge-VMware ESX hypervisor ehlanganiswe ohlelweni, amakhasimende angasebenzisa imishini ebonakalayo yangokwezifiso ngqo ngaphakathi kohlelo.
- Ukuhlanganiswa kwe-VMware. I-PowerStore yakhelwe ukuhlanganiswa okujulile ne-VMware vSphere. Ukuhlanganiswa kufaka phakathi ukusekelwa kwe-VAAI ne-VASA, izaziso zomcimbi, ukuphathwa kwezifinyezo, ama-vVols, nokutholwa komshini obonakalayo nokuqapha ku-PowerStore Manager.
- Ukufinyelela Kwedatha Okuhlanganisiwe. I-PowerStore inikeza ukugcinwa kwedatha yohlelo lokusebenza ngamafomethi ahlukahlukene, kusukela kumavolumu abonakalayo kanye nangokoqobo kuya kuziqukathi namafayela endabuko, ngenxa yekhono lokusebenza kuzo zonke izivumelwano eziningi - vimba, ifayela kanye ne-VMware vSphere Virtual Volumes (vVols). Leli khono lenza uhlelo luvumelane nezimo kakhulu futhi livumela iminyango ye-IT ukuthi yenze lula futhi ihlanganise ingqalasizinda yayo.
- Isixhumi esibonakalayo esilula, sesimanje sokulawula. Isixhumi esibonakalayo sokuphathwa kwesistimu - I-PowerStore Manager - yathuthukiswa ngokusekelwe ezidingweni zamakhasimende ethu ukuze kube lula ukuphatha uhlelo. Lesi isixhumi esibonakalayo sewebhu esisebenza kuzilawuli zesistimu ye-PowerStore. Itholakala ngephrothokholi ye-HTML5 futhi ayidingi ukufakwa kwama-plugin engeziwe.
- Ingqalasizinda Ehlelekayo. Yenza lula ukuthuthukiswa kohlelo lokusebenza futhi inciphise isikhathi sokuphakelwa ukusuka ezinsukwini kuye kumasekhondi ngokuhlanganiswa ne-VMware nokusekelwa kokuphathwa okuholayo nezinhlaka ze-orchestration, okuhlanganisa i-Kubernetes, Ansible kanye ne-VMware vRealize Orchestrator.
- Intelligent Automation. Ama-algorithms wokufunda womshini owakhelwe ngaphakathi enza ngokuzenzakalelayo ukugeleza komsebenzi odla isikhathi njengokuhlelwa kwevolumu nokubekwa, ukuthuthwa kwedatha, ukulinganisa komthwalo, nokuxazulula izinkinga.
- Izibalo Zengqalasizinda. Isofthiwe ye-Dell EMC CloudIQ yokuqapha isitoreji ne-analytics ihlanganisa amandla okufunda komshini kanye nobuhlakani bomuntu ukuhlaziya ukusebenza kwesistimu namandla ngesikhathi sangempela futhi ugcine idatha yomlando ukuze unikeze umbono ohlangene wengqalasizinda yakho ye-Dell EMC. I-Dell Technologies ihlela ukuhlanganisa i-CloudIQ kuyo yonke iphothifoliyo yayo egcwele yezixazululo zokuhlaziya okujulile.
Ipulatifomu imelelwa izinhlobo ezimbili zamasistimu:
- - isebenza njengesistimu yokugcina yokugcina.
- - isebenza njengesixazululo se-hyperconverged esikuvumela ukuthi usebenzise imishini yamakhasimende ebonakalayo ehlanganiswe nesistimu yokugcina ezinikele, yakudala.
Ngamakhono ahlanganisiwe e-VMware ESXi, amamodeli e-PowerStore X anikeza ikhono lokusingatha izinhlelo zokusebenza ezijulile ze-I/O ngokuqondile ngaphakathi kwesistimu ye-PowerStore. Usebenzisa izindlela ezakhelwe ngaphakathi ze-VMware (vMotion), ungahambisa izinhlelo zokusebenza phakathi kwesistimu yokugcina i-PowerStore nezixazululo zangaphandle. I-VMware ESXi hypervisor eshumekiwe isebenzisa izinhlelo zokusebenza zamakhasimende eceleni kwesistimu yokusebenza ye-PowerStore njengemishini ebonakalayo ye-VMware. Lo mklamo osha ulungele izinhlelo zokusebenza ezidinga isitoreji esiningi, uhlinzeka ngesitoreji sekhompuyutha esengeziwe kanye nokusebenza okuphezulu endaweni ekhona noma yisiphi isimo lapho ukuminyana, ukusebenza nokutholakala kuwukucatshangelwa okubalulekile.
Izibonelo ezicacile lapho i-AppsON ixazulula khona izinkinga zamakhasimende ethu yilezi:
- Ingqalasizinda enikelwe yesicelo esisodwa. Isibonelo, ku-database edinga iseva ezinikezele, isistimu yokugcina, kanye ne-hardware eyengeziwe, isibonelo, ukwenza isipele. Kulokhu, ungathenga uhlelo olulodwa lwe-PowerStore oluzohlanganisa yonke imisebenzi, ngoba... uhlelo lokusebenza ngokwalo kanye neseva eyisipele kungasetshenziswa ngaphakathi kwendawo ye-PowerStore ngaphandle kwesidingo sengqalasizinda eyengeziwe.
- I-ROBO (amagatsha namahhovisi akude). Amakhasimende amaningi abhekene nomsebenzi wokuthi ngandlela thize aphindaphinde ingqalasizinda yesikhungo sedatha esikhulu endaweni ezungezile ukuze aqinisekise ukusebenza kwamagatsha akude ezinkampani zawo. Ngaphambili, ngenxa yalokhu, bekufanele uthenge amaseva ahlukene, amasistimu okugcina, amaswishi ukuze uwaxhume, futhi uphinde uphazamise ubuchopho bakho mayelana nendlela yokuvikela ingqalasizinda futhi, okubaluleke kakhulu, idatha. Siphakamisa, njengasesibonelweni sangaphambilini, ukuthatha indlela yokuqinisa ingqalasizinda ngaphakathi kwesixazululo esisodwa - iDell EMC PowerStore. Uzothola ingqalasizinda eyenziwe ngomumo ngokuphelele ngaphakathi kwe-chassis engu-2U, ehlanganisa amaseva abekezelela amaphutha axhumene nesitoreji esinesivinini esikhulu.
Zombili izinhlobo zezinhlelo zethulwa ngendlela yomugqa wamamodeli anezici ezahlukahlukene zobuchwepheshe:
Isici esibalulekile sezinhlelo ze-PowerStore yikhono lokuthuthukisa isistimu esivele ithengiwe ngokuzayo. Nansi indlela yokwenza.
- Ukuthuthukiswa kwendabuko kwamamodeli amancane kuya kwabadala ikuvumela ukuba ugweme ukutshalwa kwezimali okungadingekile esigabeni sokuthengwa kwesistimu: asikho isidingo sokuthenga ngokushesha isisombululo ezibizayo, amandla aphelele azovezwa ngokugcwele eminyakeni embalwa kuphela. Inqubo yokuthuthukisa iwukushintshwa okujwayelekile kwesilawuli esisodwa kufakwe esinye; kwenziwa ngaphandle kokumisa ukufinyelela kudatha.
- Ngenxa yesakhiwo esifanele, isistimu ingaba thuthukela esizukulwaneni esisha, okuzoyigcina isesikhathini futhi yandise impilo yayo yesevisi.
- Kukhona indlela beka phansi ukuthi kungenzeka yini uhlelo lwesimanjemanje esigabeni sokuthenga. Kukhona inketho ekhethekile yalokhu , okukuvumela ukuthi ubuyekeze isistimu ngokuyithuthukisela esizukulwaneni esisha, noma uthuthukise isistimu ibe imodeli endala futhi ekhiqiza kakhulu.
Ukulayisensa
I-Dell EMC PowerStore inikezwe ilayisense ngaphansi kwemodeli ehlanganisa Konke. Ikhasimende lithola konke ukusebenza okutholakalayo kanye nesistimu ngaphandle kokutshalwa kwezimali okwengeziwe. Njengoba kukhishwa ukusebenza okusha kwe-array, kuzophinde kutholakale kumakhasimende ngemva kokuthuthukisa i-microcode.
Ukuthuthukisa ivolumu ebonakalayo yedatha
I-Dell EMC PowerStore ihlanganisa izindlela ezimbalwa zokuthuthukisa ukusebenza kahle kwesitoreji ngokunciphisa indawo ebonakalayo esetshenziswa idatha:
- ukwabiwa okucashile kwendawo;
- ukucindezela - kunokuqaliswa kwe-hardware futhi kwenziwa kusetshenziswa i-chip ehlukile yomzimba, ngenxa yalokho inqubo ayithinti ukusebenza kwesistimu;
- Ukudonswa kwedatha - kukuvumela ukuthi ugcine idatha eyingqayizivele kuphela, ngaphandle kokuphindaphinda.
Amachibi anamandla
I-Dell EMC PowerStore ihlanganisa i-RAID esekwe kuzinga ukuze isingathe ukwehluleka kwediski. Inani elikhulu lama-elementi e-RAID limelela isikhala esisodwa esinengqondo esakha ichibi lomsebenzisi wokugcina azosebenza nalo.
Isakhiwo se-Dynamic RAID sinikeza izinzuzo eziyinhloko ezi-5:
- Ukunciphisa isikhathi sokutakula ngemva kokuhluleka kwediski ngokubuyisela kumadiski amaningi ngokuhambisana;
- ukusatshalaliswa okufanayo kwezicelo zokubhala kuwo wonke amadiski;
- ikhono lokuxuba amadiski amasayizi ahlukene echibini elilodwa;
- ikhono lokwandisa umthamo wesistimu ngokungeza idiski eyodwa noma ngaphezulu;
- Amandla okuqeda i-hot spare disk ezinikele ngokomzimba ivumela isistimu ukuthi yakhe kabusha amabhlokhi wedatha isebenzisa wonke amadiski anempilo.
Ukutholakala okuphezulu
I-SHD ayiphumelelanga ngokugcwele futhi ihlanganisa uhla lwamasu okutholakala okuphezulu. Lezi zindlela zenzelwe ukumelana nokwehluleka kwengxenye ohlelweni ngokwalo kanye nengqalasizinda yangaphandle, njengokucisha kwenethiwekhi noma ukuphela kukagesi. Uma ingxenye eyodwa yehluleka, isistimu yesitoreji iyaqhubeka nokunikeza idatha. Isistimu futhi ingamelana nokwehluleka okuningi uma kwenzeka kumasethi ahlukene wezingxenye. Uma umlawuli azisiwe ngokwehluleka, angakwazi uku-oda futhi amiselele ingxenye ehlulekile ngaphandle komthelela.
I-NVMe SCM
Imidiya yesitoreji ye-SCM (Inkumbulo Yekilasi Lesitoreji) ingamadrayivu asebenza kakhulu, angaguquguquki ngokusekelwe kubuchwepheshe be-Intel Optane. Amadrayivu e-NVMe SCM ane-latency ephansi nokusebenza okuthuthukisiwe uma kuqhathaniswa namanye ama-SSD. I-NVMe iyiphrothokholi evumela ukufinyelela ngqo ngebhasi le-PCIe. I-NVMe yakhelwe kucatshangwa ngokubambezeleka okuphansi kwemidiya esebenza kahle kakhulu. Amadrayivu e-NVMe SCM asebenza njengesigaba sokugcina se-PowerStore, asetshenziselwa idatha yomsebenzisi noma imethadatha. Okwamanje, imiqulu ye-375 ne-750 GB iyatholakala.
I-NVMe NVRAM
Ama-NVMe NVRAM amadrayivu asebenza kahle kakhulu asetshenziselwa ukuthuthukisa uhlelo lokulondolozwa kwesikhashana lwe-PowerStore. Ziyakwazi ukufinyeleleka kuzo zombili izilawuli zesistimu futhi zivumela isistimu ukuthi igcine kalula amarekhodi angenayo. Amadrayivu asebenza ngesivinini se-DRAM phezu kwe-PCIe ukuze asebenze ngendlela eyisimanga. Ukwakheka kwazo kuzivumela ukuthi zisebenze njengemidiya engaguquki, futhi i-PowerStore ingagcina ngokushesha amarekhodi angenayo futhi ivume ukusebenza kumsingathi ngaphandle kokuxwayisa isilawuli sesibili. Izitolo zedatha zifakwa ngazimbili ukuze zifane nedatha phakathi kwazo uma kwenzeka kwehluleka ihadiwe.
Le ndlela isivumele ukuthi sisheshise kakhulu ukusebenza kohlelo lokugcinwa kwedatha:
- okokuqala, abalawuli akudingeki bamoshe imijikelezo yabo ye-CPU yokuvumelanisa idatha yenqolobane;
- okwesibili, konke ukubhala kumadrayivu kwenzeka kumabhulokhi angu-2 MB, ngoba uhlelo lugcina leli nani ledatha ngaphambi kokubhala idatha kumadiski. Ngakho-ke, ukuqoshwa kwashintsha kusuka kokungahleliwe kuya kokulandelanayo. Njengoba nawe uqonda, le ndlela inciphisa kakhulu umthwalo ekugcinweni kwedatha kanye nezilawuli ngokwazo.
Ukuhlanganisa
Idivayisi ngayinye ye-Dell EMC PowerStore isetshenziswa njengenye yama-cluster node, ngoba... ukuhlanganisa kuyingxenye yezakhiwo zale nkundla. Njengamanje, awekho amanodi e-PowerStore angaphezu kwamane angahlanganiswa abe yiqoqo elilodwa. Uma usebenzisa iqoqo elinamadivayisi amaningi, ungenza lo msebenzi phakathi nenqubo yokusetha yokuqala, noma ungangeza amadivayisi kuqoqo elikhona ngokuzayo. Iqoqo le-PowerStore lingenziwa libe lincane ngokukhipha amadivayisi kuqoqo elikhona, ngokuhlukanisa ngempumelelo iqoqo elilodwa elikhulu libe amabili amancane.
Kunezinzuzo eziningi zokuhlanganisa amadivayisi we-Dell EMC PowerStore.
- Ukulinganisa kwe-Scale-Out ukuze kwandiswe inani lezinsiza zesistimu ngokungeza amanodi ekhompiyutha engeziwe - iphrosesa, inkumbulo, umthamo kanye nezindawo zokuxhumanisa nabasingathi.
- Khulisa isitoreji ngokuzimela noma ubale izinsiza.
- Ukuphathwa okumaphakathi kweqoqo elinamanodi amaningi.
- Ukulayisha ukulinganisa okuzenzakalelayo phakathi kwamanodi eqoqo.
- Ukwethenjelwa okwengeziwe nokubekezelelana kwamaphutha.
Umphathi we-PowerStore
I-PowerStore Manager inikeza abaphathi besitoreji ngesixhumi esibonakalayo esilula nesinembile sokumisa nokuphatha iqoqo. Isekelwe ku-HTML5, ayidingi ukufakwa kwesofthiwe eyengeziwe kuklayenti futhi isiza ukwenza imisebenzi elandelayo:
- Ukusethwa kokuqala kwenodi entsha ye-PowerStore.
- Engeza noma susa amanodi kuqoqo elikhona.
- Ukuphathwa kwezinsiza ze-Cluster.
Umthamo weqoqo uyinhlanganisela yamakhono amanodi eqoqo ngalinye. Izibalo zokulondoloza ziyatholakala kulo lonke iqoqo.
Ukuze kulinganiswe umthwalo phakathi kwama-cluster nodes, ibhalansi inikezwa, umsebenzi wayo ukuqapha ukusetshenziswa kwezingxenye zeqoqo ngazinye kanye nokusiza ekuthuthweni kwedatha okuzenzakalelayo noma okwenziwa ngesandla phakathi kwama-cluster node. Inqubo yokuthutha isobala kumaseva futhi yenziwa ngehadiwe, ngaphandle kokubandakanya izinsiza zeseva.
Esikhundleni isiphetho
Lena indaba emfushane mayelana siphetha. Kulesi sihloko, sihlole amaphuzu ayinhloko ahlobene nobuchwepheshe nezomnotho okudingeka aqondwe lapho uhlela ukuthengwa kwezinhlelo ze-PowerStore - kusukela ekuhlanganiseni kuya ekunikezeni amalayisensi nokuhlelela ukuthuthukiswa kwesikhathi esizayo. Izinkinga eziningi zobuchwepheshe zihlala ngemuva, futhi sizokujabulela ukukutshela ngazo ezihlokweni ezilandelayo noma lapho sixhumana nochwepheshe bomnyango wezokuthengisa.
Ekuphetheni kwesihloko, ngithanda ukuqaphela ukuthi amasistimu okuqala athengisiwe asevele asetshenziswa ezikhungweni zedatha zamakhasimende ethu; abasabalalisi nozakwethu bathenge amasistimu edemo futhi balungele ukukubonisa wona. Uma uhlelo luvusa intshisekelo yakho, zizwe ukhululekile ukuxhumana nozakwethu nabameleli ukuze usebenze kumaphrojekthi akho.
Source: www.habr.com