Don Allah kar a yi tsalle zuwa ga ƙarshe saboda take! Muna da hujjoji masu nauyi da za mu goyi bayansa, kuma mun tattara su a takaice gwargwadon iyawa. Mun kawo muku wani rubutu game da manufa da ƙa'idodin aiki na sabon tsarin ajiyar mu, wanda aka saki a cikin Janairu 2020.
A cikin ra'ayinmu, babban fa'idar fa'ida ta gidan ajiya na Dorado V6 yana ba da aikin aiki da amincin da aka ambata a cikin take. Haka ne, a, yana da sauƙi, amma abin da yanke shawara mai banƙyama da rashin hankali da muka gudanar don cimma wannan "mai sauƙi", za mu yi magana a yau.
Domin mafi kyau saki m na sabon tsara tsarin, za mu magana game da mazan wakilan da kewayon model (model 8000, 18000). Sai dai in an bayyana hakan, ana nufin su kasance.
Kalmomi kaɗan game da kasuwa
Don ƙarin fahimtar wurin mafita na Huawei a kasuwa, bari mu juya zuwa ingantaccen ma'auni - "» Gartner. Shekaru biyu da suka gabata, a cikin babban maƙasudin faifan faifai, kamfaninmu da ƙarfin gwiwa ya shiga rukunin shugabannin, na biyu kawai ga NetApp da Hewlett Packard Enterprise. Matsayin Huawei a cikin kasuwar ajiya na SSD a cikin 2018 an kwatanta shi da matsayin "mai kalubale", amma wani abu ya ɓace don cimma matsayi na jagoranci.
A cikin 2019, Gartner, a cikin bincikensa, ya haɗa duka sassan da ke sama zuwa ɗaya - "Main Storage". Sakamakon haka, Huawei ya sake kasancewa cikin jagorar quadrant, kusa da dillalai irin su IBM, Hitachi Vantara da Infinidat.
Don kammala hoton, mun lura cewa Gartner yana tattara 80% na bayanai don bincike a cikin kasuwar Amurka, kuma wannan yana haifar da nuna bambanci ga waɗannan kamfanoni waɗanda ke da wakilci a Amurka. A halin yanzu, masu samar da kayayyaki masu karkata zuwa kasuwannin Turai da Asiya sun sami kansu a cikin wani matsayi maras fa'ida a fili. Duk da wannan, a shekarar da ta gabata samfuran Huawei sun ɗauki matsayinsu na dama a cikin kusurwar dama ta sama kuma, bisa ga hukuncin Gartner, "ana iya ba da shawarar yin amfani da su."
Menene sabo a Dorado V6
Layin samfurin Dorado V6, musamman, ana wakilta ta hanyar tsarin shigarwa-matakin 3000. Da farko sanye take da masu sarrafawa guda biyu, ana iya faɗaɗa su a kwance zuwa masu sarrafa 16, 1200 drives da 192 GB na cache. Hakanan, tsarin za a sanye shi da tashoshin Fiber na waje (8/16/32 Gb / s) da Ethernet (1/10/25/40/100 Gb/s).
Lura cewa amfani da ka'idojin da ba su da nasarar kasuwanci yanzu an daina amfani da su, don haka a farkon mun yanke shawarar yin watsi da tallafin Fiber Channel akan Ethernet (FCoE) da Infiniband (IB). Za a ƙara su a cikin sigogin firmware daga baya. Taimako don NVMe akan Fabric (NVMe-oF) yana samuwa daga cikin akwatin da ke saman tashar Fiber. Firmware na gaba, wanda aka shirya don fitarwa a watan Yuni, an shirya shi don tallafawa NVMe akan yanayin Ethernet. A ra'ayinmu, saitin da ke sama zai fi rufe bukatun yawancin abokan cinikin Huawei.
Ba a samun damar fayil a cikin sigar firmware na yanzu kuma zai bayyana a ɗaya daga cikin sabuntawa na gaba zuwa ƙarshen shekara. Ana ɗaukar aiwatarwa a matakin ƙasa, ta masu sarrafa kansu tare da tashoshin Ethernet, ba tare da amfani da ƙarin kayan aiki ba.
Babban bambanci tsakanin samfurin jerin Dorado V6 3000 da tsofaffi shine cewa yana goyan bayan yarjejeniya guda ɗaya akan bangon baya - SAS 3.0. A sakamakon haka, za a iya amfani da faifai a can tare da ƙirar mai suna. Daga ra'ayinmu, aikin da wannan ke bayarwa ya isa sosai ga na'urar irin wannan.
Dorado V6 5000 da 6000 jerin tsarin sune mafita na tsakiya. An kuma yi su a cikin formactor 2u kuma sun sanye da masu sarrafawa biyu. Sun bambanta da juna a cikin aiki, yawan masu sarrafawa, matsakaicin adadin diski da girman cache. Koyaya, a cikin tsarin gine-gine da injiniyanci, Dorado V6 5000 da 6000 iri ɗaya ne kuma suna kama da juna.
Ajin hi-karshen ya haɗa da tsarin tsarin Dorado V6 8000 da 18000. An yi su a cikin girman 4U, suna da tsarin gine-gine daban ta hanyar tsoho, wanda masu sarrafawa da tuƙi ke keɓe daban. Hakanan za su iya zuwa tare da kaɗan kamar masu sarrafawa biyu aƙalla, kodayake abokan ciniki yawanci suna neman huɗu ko fiye.
Dorado V6 8000 yana daidaitawa zuwa masu sarrafawa 16, da Dorado V6 18000 ma'auni har zuwa 32. Waɗannan tsarin suna da na'urori daban-daban tare da lambobi daban-daban na cores da cache masu girma dabam. A lokaci guda, ana adana ainihin hanyoyin injiniyan injiniya, kamar yadda a cikin ƙirar aji na tsakiyar ƙarshen.
Ana haɗa ɗakunan ajiya na 2U ta hanyar RDMA tare da bandwidth na 100 Gb / s. Tsohon Dorado V6 baya kuma yana goyan bayan SAS 3.0, amma ƙari idan SSDs tare da wannan keɓancewar ke faduwa cikin farashi da yawa. Sa'an nan kuma za a sami yuwuwar tattalin arziƙin amfani da su ko da la'akari da ƙananan yawan aiki. A halin yanzu, bambancin farashi tsakanin SSDs tare da mu'amalar SAS da NVMe kadan ne wanda ba mu shirye mu ba da shawarar irin wannan mafita ba.
Ciki mai sarrafawa
Dorado V6 masu sarrafawa ana yin su ne akan tushen tushen mu. Babu masu sarrafawa daga Intel, babu ASICs daga Broadcom. Don haka, kowane bangare guda na motherboard, da kuma ita kanta motherboard, an kawar da su gaba daya daga tasirin hadarin da ke tattare da matsin lamba daga kamfanonin Amurka. Waɗanda suka ga kowane kayan aikinmu da idanunsu, wataƙila sun lura da garkuwa da ratsin ja a ƙarƙashin tambarin. Yana nufin cewa samfurin bai ƙunshi abubuwan Amurkawa ba. Wannan ita ce hanya ta hukuma ta Huawei - sauye-sauye zuwa abubuwan da ke samar da nata, ko kuma, a kowane hali, ana samarwa a cikin ƙasashen da ba sa bin manufofin Amurka.
Ga abin da kuke iya gani akan allon kulawa da kanta.
- Cibiyar sadarwa ta duniya (Hisilicon 1822 guntu) da ke da alhakin haɗawa zuwa tashar Fiber ko Ethernet.
- Samar da damar nesa na tsarin guntu na BMC, wato Hisilicon 1710, don cikakken ikon sarrafa ramut da saka idanu na tsarin. Hakanan ana amfani da irin waɗannan a cikin sabar mu da kuma a wasu hanyoyin magance su.
- Sashin sarrafawa na tsakiya, wanda shine guntu Kunpeng 920 da aka gina akan gine-ginen ARM, wanda Huawei ya kera. Shine wanda aka nuna a cikin zane a sama, kodayake sauran masu kulawa na iya samun samfura daban-daban tare da adadin agogo daban-daban, da sauransu masu sarrafawa daga abin sarrafawa. Misali, a cikin tsofaffin jerin Dorado V6, akwai hudu daga cikinsu akan allo daya.
- Mai sarrafa SSD (Hisilicon 1812e guntu) wanda ke tallafawa duka SAS da NVMe. Bugu da kari, Huawei yana samar da SSDs da kansa, amma ba ya kera ƙwayoyin NAND da kansu, yana son siyan su daga manyan masana'antun duniya guda huɗu a cikin nau'in wafer silicon da ba a yanke ba. Yanke, gwadawa da tattarawa cikin kwakwalwan kwamfuta Huawei yana samarwa da kansa, bayan haka ya sake su a ƙarƙashin alamarta.
- Guntuwar hankali na wucin gadi shine Ascend 310. Ta hanyar tsohuwa, ba ya nan akan mai sarrafawa kuma an ɗora shi ta wani kati daban, wanda ke ɗaukar ɗaya daga cikin ramukan da aka tanada don adaftar cibiyar sadarwa. Ana amfani da guntu don samar da halayen cache na hankali, sarrafa aiki ko cirewa da matakan matsawa. Duk waɗannan ayyuka za a iya warware su tare da taimakon na'ura mai sarrafawa ta tsakiya, amma guntun AI yana ba ku damar yin hakan da inganci.
Na dabam game da Kunpeng masu sarrafawa
Kunpeng processor wani tsari ne akan guntu (SoC) inda, baya ga naúrar kwamfuta, akwai na'urori masu sarrafa kayan masarufi waɗanda ke hanzarta matakai daban-daban, kamar ƙididdige ƙididdiga ko aiwatar da lambar gogewa. Har ila yau, yana aiwatar da tallafin hardware don SAS, Ethernet, DDR4 (daga tashoshi shida zuwa takwas), da dai sauransu. Duk wannan yana bawa Huawei damar ƙirƙirar masu kula da ajiya waɗanda ba su da ƙasa a cikin aiki zuwa mafita na Intel na gargajiya.
Bugu da ƙari, mafita na mallakar mallaka bisa tsarin gine-ginen ARM yana ba Huawei damar ƙirƙirar cikakkun hanyoyin magance uwar garken da ba su ga abokan cinikinsa a matsayin madadin x86.
Sabuwar Dorado V6 Architecture…
Tsarin gine-gine na ciki na tsarin ajiya Dorado V6 na tsofaffin jerin suna wakiltar manyan yankuna hudu (masana'antu).
Farkon masana'anta shine gama gari gama gari (hanyoyin sadarwa da ke da alhakin sadarwa tare da masana'antar SAN ko runduna).
Na biyu shi ne saitin masu sarrafawa, kowannensu zai iya "kaiwa" ta hanyar ka'idar RDMA duka zuwa kowane katin cibiyar sadarwa na gaba da kuma zuwa "injin" makwabta, wanda shine akwati tare da masu sarrafawa hudu, da kuma wutar lantarki da sanyaya. raka'a gama-gari gare su. Yanzu hi-karshen ajin Dorado V6 model za a iya sanye take da biyu irin "injin" (bi da bi, takwas masu kula).
Ma'aikata ta uku ce ke da alhakin baya kuma ta ƙunshi katunan sadarwar RDMA 100G.
A ƙarshe, masana'anta na huɗu "a cikin hardware" ana wakilta ta hanyar toshe-in ɗakunan ajiya na hankali.
Wannan tsarin ma'auni yana buɗe cikakkiyar damar fasahar NVMe kuma yana ba da garantin babban aiki da aminci. Tsarin I / O yana daidaitawa a tsakanin na'urori masu sarrafawa da maƙallan ƙira, yana ba da karatu lokaci guda da rubutu zuwa zaren da yawa.
...da abin da ta ba mu
Matsakaicin aikin Dorado V6 mafita shine kusan sau uku mafi girma fiye da na tsarin tsararru na baya (na aji ɗaya) kuma yana iya kaiwa IOPS miliyan 20.
Wannan ya faru ne saboda gaskiyar cewa a cikin ƙarni na na'urori da suka gabata, tallafin NVMe ya faɗaɗa kawai don zana ɗakunan ajiya tare da tuƙi. Yanzu yana nan a kowane mataki, daga mai watsa shiri zuwa SSD. Cibiyar sadarwa ta baya ta kuma sami canje-canje: SAS/PCIe ya ba da hanya zuwa RoCEv2 tare da kayan aiki na 100 Gb/s.
Tsarin sigar SSD shima ya canza. Idan a baya akwai tutoci 2 a kowane shelf na 25U, yanzu an kawo shi har zuwa faifai masu girman dabino 36. Bugu da kari, da shelves "hikima up." Kowannensu yanzu yana da tsarin jure rashin kuskure na masu sarrafawa guda biyu dangane da guntuwar ARM, kama da waɗanda aka shigar a cikin masu sarrafawa na tsakiya.
Ya zuwa yanzu, suna aiki ne kawai a cikin sake tsara bayanai, amma tare da sakin sabon firmware, za a ƙara matsawa da kuma gogewa a ciki, wanda zai rage nauyi a kan manyan masu sarrafawa daga 15 zuwa 5%. Canja wurin wasu ayyuka zuwa shiryayye a lokaci guda yana 'yantar da bandwidth na cibiyar sadarwar ciki. Kuma duk wannan yana ƙara ƙarfin ƙarfin tsarin.
Matsawa da ƙaddamarwa a cikin tsarin ajiyar ƙarni na baya an yi shi tare da ƙayyadaddun tubalan tsayi. Yanzu, an ƙara yanayin aiki tare da tubalan tsayi masu tsayi, wanda ya zuwa yanzu yana buƙatar kunnawa da karfi. Sabuntawa na gaba na iya canza wannan yanayin.
Hakanan a taƙaice game da haƙuri don gazawa. Dorado V3 ya ci gaba da aiki idan ɗaya daga cikin masu sarrafawa biyu ya gaza. Dorado V6 zai tabbatar da samun bayanai ko da bakwai daga cikin takwas masu sarrafawa sun kasa ci gaba ko kuma hudu daga cikin injin daya a lokaci guda.
Dogara ta fuskar tattalin arziki
Kwanan nan, an gudanar da bincike a tsakanin abokan cinikin Huawei kan nawa lokacin raguwar abubuwan abubuwan da ke cikin abubuwan IT da kamfanin ke ganin sun yarda da shi. Ga mafi yawancin, masu amsa sun yi haƙuri ga yanayin hasashe wanda aikace-aikacen ba ya amsa a cikin 'yan daƙiƙa ɗari. Don tsarin aiki ko adaftar bas mai masaukin baki, dubun daƙiƙai (ainihin lokacin sake kunnawa) sun kasance mawuyacin lokacin raguwa. Abokan ciniki suna sanya buƙatu mafi girma akan hanyar sadarwar: bandwidth ɗin sa bai kamata ya ɓace sama da daƙiƙa 10-20 ba. Kamar yadda zaku iya tsammani, mafi mahimmancin masu amsa sun yi la'akari da gazawar tsarin ajiya. Daga ra'ayi na wakilan kasuwanci, sauƙin ajiya bai kamata ya wuce ... 'yan seconds a shekara!
A wasu kalmomi, idan aikace-aikacen abokin ciniki na bankin bai amsa ba na daƙiƙa 100, wannan da alama ba zai haifar da mummunan sakamako ba. Amma idan tsarin ajiya bai yi aiki ba don adadin kuɗi ɗaya, dakatarwar kasuwanci da asarar kuɗi mai yawa na iya yiwuwa.
Jadawalin da ke sama yana nuna farashin sa'a ɗaya na aiki don manyan bankunan goma (bayanan Forbes na 2017). Yarda, idan kamfanin ku yana gabatowa girman bankunan kasar Sin, ba zai yi wahala sosai ba don tabbatar da buƙatar siyan tsarin ajiya na dala miliyan da yawa. Hakanan bayanin magana daidai ne: idan kasuwancin ba ya shan wahala mai yawa a lokacin raguwa, to ba zai yuwu a sayi tsarin ajiya na ƙarshe ba. A kowane hali, yana da mahimmanci a sami ra'ayi game da girman girman rami yana barazanar samuwa a cikin walat ɗin ku yayin da mai kula da tsarin ke hulɗa da tsarin ajiya wanda ya ƙi yin aiki.
Na biyu a kowace gazawar
A cikin Magani A a cikin kwatancin da ke sama, zaku iya gane tsarinmu na baya Dorado V3. Masu sarrafawa guda huɗu suna aiki bi-biyu, kuma masu sarrafawa biyu ne kawai ke ɗauke da kwafin cache. Masu sarrafawa a cikin biyu zasu iya sake rarraba kaya. A lokaci guda, kamar yadda kake gani, babu "masana'antu" na gaba-gaba da baya-baya a nan, don haka kowane ɗayan ɗakunan ajiya yana da alaƙa da takamaiman nau'in sarrafawa.
Zane na Magani B yana nuna mafita a halin yanzu akan kasuwa daga wani mai siyarwa (wanda aka gane?). Akwai masana'antun gaba-gaba da baya-baya a nan, kuma ana haɗa na'urori zuwa masu sarrafawa guda huɗu a lokaci ɗaya. Gaskiya ne, akwai nuances waɗanda ba a bayyane suke ba a cikin ƙimar farko a cikin aikin algorithms na ciki na tsarin.
A hannun dama shine gine-ginen ajiya na Dorado V6 na yanzu tare da cikakken saitin na ciki. Yi la'akari da yadda waɗannan tsarin ke tsira daga yanayin yanayi - gazawar mai sarrafawa ɗaya.
A cikin tsarin gargajiya, wanda ya haɗa da Dorado V3, lokacin da ake buƙata don sake rarraba kaya idan gazawar ta kai daƙiƙa huɗu. A wannan lokacin, I/O yana tsayawa gaba ɗaya. Magani B daga abokan aikinmu, duk da ƙarin gine-gine na zamani, yana da ma fi girma lokacin raguwa akan gazawar daƙiƙa shida.
Adana Dorado V6 yana dawo da aikin sa a cikin daƙiƙa ɗaya bayan gazawar. Ana samun wannan sakamakon godiya ga mahalli na RDMA mai kama da juna wanda ke ba mai sarrafawa damar samun damar ƙwaƙwalwar "baƙin waje". Abu mai mahimmanci na biyu shine kasancewar masana'anta na gaba, godiya ga wanda hanyar mai masaukin ba ta canzawa. Tashar tashar jiragen ruwa ta kasance iri ɗaya, kuma ana aika lodi kawai zuwa masu kula da lafiya ta hanyar direbobi masu wucewa da yawa.
Rashin nasarar mai sarrafawa na biyu a Dorado V6 yana aiki a cikin dakika ɗaya bisa ga wannan makirci. Dorado V3 yana ɗaukar kusan daƙiƙa shida, kuma wani maganin mai siyarwa yana ɗaukar tara. Don DBMS da yawa, irin waɗannan tazarar ba za a iya la'akari da karɓuwa ba, tunda a wannan lokacin ana canza tsarin zuwa yanayin jiran aiki kuma yana daina aiki. Wannan na farko ya shafi DBMS wanda ya ƙunshi sassa da yawa.
Rashin gazawar mai sarrafawa na uku Magani A baya iya rayuwa. Kawai saboda gaskiyar cewa an rasa damar shiga ɓangaren faifan bayanan. Bi da bi, Magani B a cikin irin wannan halin da ake ciki ya mayar da ikon aiki, wanda daukan, kamar yadda a baya yanayin, tara seconds.
Menene a cikin Dorado V6? Dakika daya.
Me za a iya yi a cikin dakika daya
Kusan kome, amma ba mu bukatar shi. Har yanzu, a cikin Dorado V6 na ajin hi-end, masana'anta na gaba-gaba an cire su daga masana'antar sarrafawa. Wannan yana nufin cewa babu taswirar tashar jiragen ruwa mallakar takamaiman mai sarrafawa. Rashin gazawa baya ƙunsar nemo madadin hanyoyi ko sake fara wucewa da yawa. Tsarin yana ci gaba da aiki kamar yadda yake a da.
Haƙurin gazawa da yawa
Tsofaffin Dorado V6 na iya samun sauƙin tsira daga gazawar kowane guda biyu (!) Masu sarrafawa daga kowane “injuna”. Wannan yana yiwuwa ta gaskiyar cewa maganin yanzu yana adana kwafi uku na cache. Saboda haka, ko da tare da gazawar sau biyu, za a sami cikakken kwafi ɗaya koyaushe.
Rashin rashin daidaituwa na duk masu sarrafa guda huɗu a cikin ɗayan "injin" kuma ba zai haifar da sakamako mai ƙima ba, tunda duk kwafi uku na cache ana rarraba su tsakanin "injin" a kowane lokaci. Tsarin da kansa yana lura da yarda da irin wannan dabaru na aiki.
A ƙarshe, yanayin da ba zai yuwu ba shine gazawar masu sarrafawa bakwai cikin takwas. Haka kuma, mafi ƙarancin tazara mai izini tsakanin gazawar mutum don kula da aiki shine mintuna 15. A wannan lokacin, tsarin ajiya yana da lokaci don yin ayyukan da suka dace don ƙaura na cache.
Mai sarrafawa na ƙarshe zai gudanar da ajiyar bayanan kuma ya kula da cache na tsawon kwanaki biyar (ƙimar tsoho, wanda za'a iya canzawa cikin sauƙi a cikin saitunan). Bayan haka, za a kashe cache, amma tsarin ajiya zai ci gaba da aiki.
Sabuntawa marasa damuwa
Sabuwar OS Dorado V6 tana ba ku damar sabunta firmware na ajiya ba tare da sake kunna masu sarrafawa ba.
Tsarin aiki, kamar yadda yake a cikin maganganun da aka yi a baya, yana dogara ne akan Linux, duk da haka, yawancin tsarin aiki an canza su daga kernel zuwa yanayin mai amfani. Yawancin ayyuka, kamar waɗanda ke da alhakin cirewa da matsawa, yanzu daemons ne na yau da kullun da ke gudana a bango. Godiya ga wannan, ba lallai ba ne don canza tsarin aiki gaba ɗaya don sabunta nau'ikan nau'ikan mutum ɗaya. A ce, don ƙara goyon baya ga sabuwar yarjejeniya, zai zama dole kawai a kashe tsarin software mai dacewa kuma fara sabo.
A bayyane yake cewa batutuwan sabunta tsarin gabaɗaya har yanzu suna nan, saboda ana iya samun abubuwa a cikin kernel waɗanda ke buƙatar sabuntawa. Amma waɗancan, bisa ga abin da muka lura, ba su kai kashi 6% na jimlar ba. Wannan yana ba ku damar sake kunna masu sarrafawa sau goma ƙasa da sau da yawa fiye da da.
Haƙurin Bala'i da Babban Samuwar (HA/DR) mafita
Dorado V6 daga cikin akwatin yana shirye don haɗawa cikin hanyoyin rarraba geo-rarrabuwa, gungu na matakin birni (metro) da cibiyoyin bayanan "sau uku".
A gefen hagu a cikin hoton da ke sama akwai gungu na metro wanda ya riga ya saba da mutane da yawa. Tsarin ajiya guda biyu suna aiki a cikin yanayin aiki / aiki a nesa har zuwa kilomita 100 daga juna. Irin waɗannan abubuwan more rayuwa tare da sabar saƙon ƙididdiga ɗaya ko fiye ana iya samun goyan bayan mafita daga kamfanoni daban-daban, gami da tsarin aikin girgije na FusionSphere. Musamman mahimmanci a cikin irin waɗannan ayyukan sune halayen tashar tsakanin shafuka, duk sauran ayyuka a cikin yanayinmu ana ɗaukar su ta hanyar aikin HyperMetro, samuwa, sake, daga cikin akwatin. Haɗin kai yana yiwuwa akan tashar Fiber, da kuma akan iSCSI a cikin hanyoyin sadarwar IP, idan irin wannan buƙatar ta taso. Babu kuma buƙatar kasancewar wajibi na ƙayyadaddun kayan gani na “duhu”, tunda tsarin yana iya sadarwa ta hanyoyin da ke akwai.
Lokacin gina irin waɗannan tsarin, abin da ake buƙata na hardware kawai don ajiya shine rabon tashoshin jiragen ruwa don maimaitawa. Ya isa don siyan lasisi, gudanar da sabar qurum - na zahiri ko kama-da-wane - da samar da haɗin IP zuwa masu sarrafawa (10 Mbps, 50 ms).
Ana iya canja wurin wannan gine-gine cikin sauƙi zuwa tsarin da ke da cibiyoyin bayanai guda uku (duba gefen dama na hoton). Misali, lokacin da cibiyoyin bayanai guda biyu ke aiki a cikin yanayin gungu na metro, kuma wurin na uku, wanda yake a nisan sama da kilomita 100, yana amfani da kwafin asynchronous.
Tsarin fasaha yana goyan bayan yanayin kasuwanci daban-daban waɗanda za a aiwatar da su a yayin da ya wuce kima.
Rayuwa ta gungu na metro tare da gazawa da yawa
Na sama da na ƙasa kuma suna nuna gungu na al'ada na metro, wanda ya ƙunshi tsarin ajiya guda biyu da sabar qurum. Kamar yadda kuke gani, a cikin shida cikin tara na yuwuwar yanayin gazawa da yawa, kayan aikin mu za su ci gaba da aiki.
Misali, a yanayi na biyu, idan uwar garken qurum ta gaza kuma aiki tare tsakanin rukunin yanar gizo ta gaza, tsarin zai kasance mai fa'ida saboda rukunin yanar gizo na biyu ya daina aiki. An riga an gina wannan ɗabi'a a cikin ginanniyar algorithms.
Ko da bayan kasawa uku, ana iya kiyaye damar samun bayanai idan tazara tsakanin su ta kasance aƙalla daƙiƙa 15.
Katin ƙaho na yau da kullun daga hannun riga
Ka tuna cewa Huawei yana samar da ba kawai tsarin ajiya ba, har ma da cikakken kewayon kayan aikin cibiyar sadarwa. Duk mai ba da ajiya da kuka zaɓa, idan ana amfani da hanyar sadarwa ta WDM tsakanin shafuka, a cikin 90% na lokuta za a gina shi akan mafita na kamfaninmu. Tambaya mai ma'ana ta taso: me yasa za a haɗa gidan zoo na tsarin yayin da duk kayan aikin da aka tabbatar sun dace da juna ana iya samun su daga mai siyarwa ɗaya?
Zuwa tambayar aiki
Wataƙila, babu wanda ke buƙatar tabbatar da cewa sauyawa zuwa All-Flash ajiya na iya rage yawan farashin kayan aiki, tunda duk ayyukan yau da kullun ana yin su sau da yawa cikin sauri. Duk masu samar da irin waɗannan kayan aikin sun shaida hakan. A halin yanzu, da yawa dillalai sun fara zama wayo idan ya zo ga lalacewar aiki lokacin da aka kunna hanyoyin ajiya iri-iri.
A cikin masana'antar mu, ana aiwatar da shi sosai don ba da tsarin ajiya don aikin gwaji na kwana ɗaya ko biyu. Mai siyarwa yana gudanar da gwaji na mintuna 20 akan tsarin fanko, yana samun alkaluman ayyukan sararin samaniya. Kuma a cikin ainihin aiki, "rakes na karkashin ruwa" suna fitowa da sauri. Bayan kwana ɗaya, kyawawan dabi'un IOPS sun ragu da rabi ko sau uku, kuma idan tsarin ajiya ya cika da 80%, sun zama ƙasa da ƙasa. Lokacin da aka kunna RAID 5 maimakon RAID 10, wani 10-15% ya ɓace, kuma a cikin yanayin gungu na metro, aikin yana raguwa.
Duk abin da aka jera a sama ba game da Dorado V6 bane. Abokan cinikinmu suna da damar yin gwajin aiki a ƙarshen mako ko aƙalla na dare. Sa'an nan tarin datti ya bayyana kansa, kuma ya bayyana a fili yadda kunna zaɓuɓɓuka daban-daban - kamar hotuna da kwafi - yana shafar adadin IOPS da aka samu.
A cikin Dorado V6, hotuna da RAID tare da daidaito ba su da wani tasiri a kan aiki (3-5% maimakon 10-15%). Tarin datti (cika ƙwayoyin tuƙi tare da sifilai), matsawa, ƙaddamarwa akan tsarin ajiya wanda ya cika 80% koyaushe zai shafi gabaɗayan saurin sarrafa buƙatun. Amma Dorado V6 ne mai ban sha'awa a cikin wannan, ko da wane nau'i na ayyuka da hanyoyin kariya da kuka kunna, aikin ajiya na ƙarshe ba zai faɗi ƙasa da 80% na adadi da aka samu ba tare da kaya ba.
Load daidaitawa
Babban aikin Dorado V6 yana samuwa ta hanyar daidaitawa a kowane mataki, wato:
- multipassing;
- yin amfani da haɗin kai da yawa daga mai masaukin baki ɗaya;
- samuwan masana'anta na gaba;
- daidaitawa na aikin masu kula da ajiya;
- Rarraba lodi a duk fa'idodi a matakin RAID 2.0+.
Ainihin, wannan al'ada ce ta gama gari. A kwanakin nan, mutane kaɗan ne ke adana duk bayanan akan LUN ɗaya: kowa yana ƙoƙarin samun takwas, ko da arba'in, ko ma fiye da haka. Wannan hanya ce a bayyane kuma madaidaiciya, wacce muke rabawa. Amma idan aikin ku yana buƙatar LUN ɗaya kawai, wanda ya fi sauƙi don kiyayewa, hanyoyin ƙirar mu suna ba shi damar cimma kashi 80% na aikin da ake samu tare da LUNs da yawa.
Tsare-tsare na CPU mai ƙarfi
Ana aiwatar da rarraba kaya akan masu sarrafawa lokacin amfani da LUN guda ɗaya ta hanyar da ke biyowa: ayyuka a matakin LUN sun kasu kashi daban-daban "shards", kowannensu an sanya shi da ƙarfi ga wani takamaiman mai sarrafawa a cikin "injin". Anyi wannan don kada tsarin ya rasa aiki yayin da yake "tsalle" tare da wannan yanki na bayanai a fadin masu sarrafawa daban-daban.
Wata hanyar da za a iya kiyaye babban aiki ita ce tsara jadawalin aiki, wanda za'a iya kasafta wasu nau'ikan na'urori zuwa wuraren ayyuka daban-daban. Misali, idan tsarin yanzu ba shi da aiki a matakin deduplication da matsawa, to wasu daga cikin cores na iya shiga cikin aiwatar da sabis na I / O. Ko akasin haka. Ana yin duk wannan ta atomatik kuma a bayyane ga mai amfani.
Bayanai game da nauyin kowane nau'in Dorado V6 na yanzu ba a nuna su a cikin ƙirar hoto ba, amma ta hanyar layin umarni zaka iya samun dama ga OS mai sarrafawa kuma amfani da umarnin Linux na yau da kullum. top.
Tallafin NVMe da RoCE
Kamar yadda aka riga aka ambata, Dorado V6 a halin yanzu yana goyan bayan NVMe akan tashar Fiber daga cikin akwatin kuma baya buƙatar kowane lasisi. A tsakiyar shekara, tallafi ga NVMe akan yanayin Ethernet zai bayyana. Don cikakken amfani da shi, kuna buƙatar tallafi don Ethernet tare da sigar samun damar ƙwaƙwalwar ajiya kai tsaye (DMA) v2.0 duka daga tsarin ajiya kanta kuma daga masu sauyawa da adaftar cibiyar sadarwa. Misali, kamar Mellanox ConnectX-4 ko ConnectX-5. Hakanan zaka iya amfani da katunan sadarwar da aka yi akan guntuwar mu. Hakanan, dole ne a aiwatar da tallafin RoCE a matakin tsarin aiki.
Gabaɗaya, muna ɗaukar Dorado V6 don zama tsarin NVMe-centric. Duk da goyon bayan da ake da shi na Fiber Channel da iSCSI, a nan gaba an shirya don canzawa zuwa Ethernet mai sauri tare da RDMA.
Tsuntsaye na talla
Saboda gaskiyar cewa tsarin Dorado V6 yana da rashin haƙuri sosai, yana da ma'auni da kyau, yana tallafawa fasahar ƙaura daban-daban, da dai sauransu, tasirin tattalin arziki na saye ya bayyana tare da fara amfani da tsarin ajiya mai tsanani. Za mu ci gaba da ƙoƙarin yin ikon mallakar tsarin kamar yadda zai yiwu, koda kuwa a matakin farko ba a bayyana ba.
Musamman, mun kafa shirin FLASH EVER wanda ke da alaƙa da tsawaita rayuwar tsarin ajiya kuma an tsara shi don sauke abokin ciniki gwargwadon yiwuwa yayin haɓakawa.
Wannan shirin ya ƙunshi matakai da yawa:
- da ikon a hankali maye gurbin masu sarrafawa da faifai faifai tare da sababbin sigogi ba tare da maye gurbin duk kayan aikin ba (don tsarin Dorado V6 hi-end);
- yuwuwar adana kayan haɗin gwiwa (haɗa nau'ikan Dorado daban-daban a matsayin wani ɓangare na tarin tarin tarin tarin matasan guda ɗaya);
- mai kaifin basira (ikon yin amfani da kayan aikin ɓangare na uku a matsayin wani ɓangare na maganin Dorado).
Ya kamata a lura da cewa mawuyacin halin da ake ciki a duniya ba shi da tasiri a kan kasuwancin sabon tsarin. Duk da cewa sakin Dorado V6 a hukumance ya faru ne kawai a cikin watan Janairu, muna ganin babban bukatarsa a kasar Sin, da kuma babbar sha'awarta daga abokan huldar Rasha da na kasa da kasa daga bangarorin kudi da na gwamnati.
Daga cikin wasu abubuwa, dangane da cutar, ko ta yaya za a daɗe, batun samar da ma'aikata masu nisa da kwamfutoci na zamani ya fi girma. A cikin wannan tsari, Dorado V6 kuma zai iya cire tambayoyi da yawa. Don wannan ƙarshen, muna yin kowane ƙoƙari, gami da yarda a zahiri game da haɗa sabon tsarin a cikin lissafin dacewa na VMware.
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Af, kar a manta game da yawancin gidajen yanar gizon mu da aka gudanar ba kawai a cikin sashin harshen Rashanci ba, har ma a matakin duniya. Jerin yanar gizo na Afrilu yana samuwa a .
source: www.habr.com