Isu tinopokana zvakanyanya kuti OceanStor Dorado 18000 V6 inogadzira chaiyo-yekupedzisira data yekuchengetedza sisitimu ine chengetedzo yakanaka kwemakore anouya. Panguva imwecheteyo, isu tinodzinga kushushikana kwakajairwa nezve All-Flash kuchengetedza uye tinoratidza kuti Huawei anowana sei zvakanyanya kubva kwavari: kupera-kusvika-kumagumo NVMe, yakawedzera caching paSCM uye boka rese remamwe mhinduro.
New data landscape - itsva data kuchengetedza
Kusimba kwedata kuri kuwedzera mumaindasitiri ese. Uye chikamu chebhangi chiratidzo chakajeka cheizvi. Mumakore mashoma apfuura, nhamba yekutengeserana kwebhangi yakawedzera zvakapetwa kagumi. Sezvakaratidzwa , muRussia chete, munguva kubva ku2010 kusvika ku2018, nhamba yekutengeserana kusina mari uchishandisa makadhi epurasitiki yakaratidza kuwedzera kunopfuura makumi matatu - kubva ku5,8 kusvika ku172 pamunhu pagore. Iyo poindi iri kunyanya nezvekukunda kwemamicropayments: vazhinji vedu tave kujairana nemabhangi epamhepo, uye isu tave nebhangi pamunwe wedu - pamafoni edu.
Iyo IT zvivakwa zvechikwereti institution inofanirwa kunge yakagadzirira dambudziko rakadaro. Uye izvi zvakaoma chaizvo. Pakati pezvimwe zvinhu, kana bhangi raimboda kuona kuwanikwa kwedata chete panguva yebhizinesi maawa, ikozvino inofanirwa kuwanikwa 24/7. Kusvika nguva pfupi yadarika, 5 ms yaionekwa seyakagamuchirwa latency standard, asi saka chii? Ikozvino kana 1 ms yakawandisa. Kune yemazuva ano yekuchengetedza sisitimu, iyo inotarirwa kukosha ndeye 0,5 ms.
Chinhu chimwe chete nekuvimbika: muna 2010, kunzwisisa kwakagadzirwa kuti zvakakwana kuunza chiyero chayo ku "makumi mashanu" - 99,999%. Chokwadi, kunzwisisa uku kwave kwechinyakare. Muna 2020, zvakajairika kuti mabhizinesi ade 99,9999% yekuchengetedza uye 99,99999% yeiyo yakazara architecture mhinduro. Uye ichi hachisi chishuwo, asi chinodiwa nekukurumidza: kungave pasina nguva hwindo rekugadzirisa zvivakwa, kana idiki.
Kuti ujekeswe, zviri nyore kurongedza zviratidzo izvi mundege yemari. Nzira iri nyore ndeyokushandisa muenzaniso wemasangano emari. Chati iri pamusoro inoratidza kuti rimwe nerimwe remabhanga gumi epamusoro rinotambira marii paawa. Kune Industrial and Commercial Bank yeChina chete, izvi hazvisi pasi pemadhora emamiriyoni 10. Ndizvo chaizvo izvo nguva yekuderera kweawa yeTI yezvivako zvekambani yechikwereti muChina yaizodhura (uye kuverenga kunongotora purofiti yakarasika!). Kubva pakuona uku, zviri pachena kuti kuderedza nguva uye kuvimbika kunowedzera, kwete nezvikamu zvishoma kubva muzana, asi kunyange nechidimbu chezana, zvinoruramiswa zvachose. Kwete nekuda kwezvikonzero zvekuwedzera kukwikwidza, asiwo nekuda kwekuchengetedza nzvimbo dzemusika.
Shanduko dzakafanana dziri kuitika mune mamwe maindasitiri. Semuenzaniso, mukufambisa kwendege: denda risati rasvika, kufamba nendege kwaingowedzera gore negore, uye vazhinji vakatanga kuishandisa kunge tekisi. Kana ari maitiro evatengi, tsika yekuwanikwa kwesevhisi yakadzika midzi munharaunda: pakusvika panhandare yendege, tinoda kubatana kweWi-Fi, kuwana masevhisi ekubhadhara, mepu yenzvimbo, nezvimwewo. mutoro wezvivakwa uye masevhisi munzvimbo dzeveruzhinji wakawedzera kakawanda. Uye idzo nzira dzezvivakwa uye kuvaka dzatakaona sezvakanaka kunyangwe gore rapfuura dziri kukurumidza kupera.
Kwakasira here kuti uchinje kuAll-Flash?
Kugadzirisa matambudziko ataurwa pamusoro apa, maererano nekushanda, AFA - zvose-flash arrays, kureva, mitsara yakanyatsovakwa pa flash - ndiyo yakanakisisa yakakodzera. Kusvika nguva pfupi yadarika, pakanga pachine kusahadzika pamusoro pekuti vakafananidzwa mukuvimbika kune avo vakaungana pahwaro hweHDD uye mahybrid. Mushure mezvose, solid-state flash memory ine metric inonzi mean time pakati pekutadza, kana MTBF (kureva nguva pakati pekutadza). Kuderedzwa kwesero nekuda kwekuita kweI/O ndiko, maiwe, kupihwa.
Saka tarisiro yeAll-Flash yakavharwa nemubvunzo wekudzivirira kurasikirwa kwedata kana SSD yaizofa. Backup isarudzo yakajairika, asi nguva yekudzoreredza ingave yakareba zvisingagamuchirwi zvichienderana nezvinodiwa zvemazuva ano. Imwe nzira yekubuda ndeyekumisikidza yechipiri nhanho yekuchengetedza pane maspindle drives, asi nechirongwa ichi mamwe mabhenefiti e "strictly flash" system anorasika.
Zvisinei, nhamba dzinotaura zvakasiyana: nhamba kubva kuhofori yehupfumi hwedhijitari, kusanganisira Google, mumakore achangopfuura inoratidza kuti flash inowanzovimbika kupfuura madhiraivha. Uyezve, zvose pamusoro penguva pfupi uye kwenguva yakareba: paavhareji, makore mana kusvika matanhatu anopfuura madhiraivha asati akundikana. Panyaya yekuvimbika kwekuchengetwa kwedata, hapana nzira yakaderera kune dhiraivha pane spindle magnetic disks, uye kunyange kuvapfuura.
Imwe nharo yechinyakare mukufarira maspindle drives kugona kwavo. Hapana mubvunzo kuti mari yekuchengetedza terabyte pane hard drive ichiri yakaderera. Uye kana iwe ukafunga chete mutengo we Hardware, zvakachipa kuchengeta terabyte pane spindle drive pane pane SSD. Zvisinei, mumamiriro ezvinhu ekugadzirisa mari, hazvina basa chete kuti yakawanda sei imwe mudziyo yakatengwa, asiwo kuti mari yose yekuve nayo kwenguva yakareba ndeyei - kubva pamakore matatu kusvika manomwe.
Kubva pakona iyi, zvinhu zvose zvakasiyana zvachose. Kunyangwe isu tikatora kudonhedza uye kudzvanya, izvo zvinowanzo shandiswa pane flash arrays uye kuita kuti mashandiro avo awedzere hupfumi, hunhu hwakadai senzvimbo inogarwa nevezvenhau muraki, kupisa kupisa, uye mashandisiro emagetsi zvinosara. Uye maererano navo, iyo flush inodarika avo vakatangira. Nekuda kweizvozvo, iyo TCO yemagetsi ekuchengetera masisitimu, tichifunga nezvese ma paramita, inowanzoita kunge hafu yakaderera senge ari arrays pane spindle drives kana mahybrids.
Sekureva kwemishumo kubva kusangano reESG, paDorado V6 All-Flash kuchengetedza masisitimu zvinokwanisika kuwana kudzikiswa kwemutengo wevaridzi unosvika 78% mukati menguva yemakore mashanu - kusanganisira kuburikidza nekudhirowa kunoshanda uye kumanikidza uye nekuda kwesimba rakaderera. kushandiswa uye kupisa kupisa. Kambani yeGerman yekuongorora DCIG inovakurudzirawo kuti vashandise seyakanyanya kuwanikwa nhasi maererano neTCO.
Iko kushandiswa kwema-solid-state madhiraivha kunoita kuti zvikwanise kuchengetedza nzvimbo inoshandiswa, kuderedza huwandu hwekutadza, kuderedza nguva yekushandira mhinduro, uye kuderedza kushandiswa kwesimba uye kupisa kwekupisa kwekuchengetedza masisitimu. Uye zvinozoitika kuti AFA ine hupfumi inofananidzwa neyechinyakare arrays pane spindle drives, uye kazhinji inovapfuura.
Royal flush kubva kuHuawei
Pakati pezvichengetedzo zvedu zveAll-Flash, nzvimbo yepamusoro ndeye hi-end system OceanStor Dorado 18000 V6. Uye kwete chete pakati pedu: muindastiri yakazara, inobata rekodhi yekumhanyisa - kusvika kumamiriyoni makumi maviri IPOS mune yakanyanya kurongeka. Uye zvakare, yakavimbika zvakanyanya: kunyangwe kana vatongi vaviri vachibhururuka kamwechete, kana kusvika kune vanomwe vanodzora mumwe mushure meumwe, kana injini yese kamwechete, iyo data ichapona. Iyo AI yakavakirwa mukati mayo inopa mabhenefiti akawanda kune "gumi nesere-chiuru", kusanganisira kuchinjika mukutonga mukati maitiro. Ngationei kuti zvese izvi zvinowanikwa sei.
Kusvika pamwero mukuru, Huawei ane musoro wekutanga nekuti ndiyo yega inogadzira pamusika inogadzira masisitimu ekuchengetedza data pachayo - zvachose uye zvizere. Isu tine yedu yedunhu, yedu pachedu microcode, uye yedu pachedu sevhisi.
Iyo controller muOceanStor Dorado masisitimu yakavakirwa pane processor yeHuawei dhizaini nekugadzira - Kunpeng 920. Inoshandisa Intelligent Baseboard Management Controller (iBMC), zvakare yedu. Iwo maAI machipisi, anoti Kukwira 310, ayo anonatsiridza kutadza kufanotaura uye kuita kurudziro pazvirongwa, zvakare anobva kuHuawei, sezvakaita mabhodhi eI/O - iyo Smart I/O module. Chekupedzisira, ivo vanodzora mune yakasimba-nyika madhiraivha anogadzirwa uye anogadzirwa-mumba. Zvese izvi zvakapa hwaro hwekuita sarudzo yakaenzana uye yepamusoro-soro.
Mugore rapfuura, takaita purojekiti yekushandisa iyi, yedu yepamusoro-ye-mutsara yekuchengetedza system, mune rimwe remabhanga makuru eRussia. Nekuda kweizvozvo, anopfuura makumi mana mayuniti eOceanStor Dorado 40 V18000 mune metro cluster anoratidza kuita kwakagadzikana: anopfuura miriyoni IOPS inogona kubviswa kubva kune yega system, uye izvi zvinotora muaccount kunonoka nekuda kwechinhambwe.
Kupera-kusvika-kumagumo NVMe
Iyo ichangoburwa Huawei masisitimu ekuchengetera anotsigira kuguma-kusvika-kumagumo NVMe, chiri chinhu chatinotarisa pachiri nechikonzero. Zvechinyakare zvakashandiswa kuchengetedza mapuroteni akagadzirwa mune hoary yekare yeIT: iwo akavakirwa paSCSI mirairo (mhoro, 1980s!), Iyo inosanganisira akawanda mabasa ekuona kumashure kuenderana. Chero nzira yekuwana yaunosarudza, iyo protocol pamusoro mune iyi kesi yakakura. Nekuda kweizvozvo, pamidziyo yekuchengetedza inoshandisa SCSI-based protocol, iyo I/O latency haigone kuve yakaderera pane 0,4-0,5 ms. Nekudaro, kuve protocol yakagadzirwa kuti ishande neflash memory uye yakasunungurwa kubva kumadondoro nekuda kwekuzivikanwa kwakashata kumashure, NVMe - Non-Volatile Memory Express - inoderedza latency kusvika 0,1 ms, uye kwete pane yekuchengetedza system, asi pane yese. stack, kubva kune host kuenda kune inotyaira. Hazvishamise kuti NVMe inoenderana nemafambiro ekusimudzira ekuchengetedza data kune ramangwana rinoonekwa. Isuwo takaisa mabheti edu paNVMe uye zvishoma nezvishoma tiri kuenda kure neSCSI. Yese Huawei masisitimu ekuchengetedza anogadzirwa nhasi, kusanganisira iyo Dorado mutsara, inotsigira NVMe (zvisinei, sekuguma-kusvika-kumagumo inoitiswa chete pamhando yepamusoro yeDorado V6 akateedzana).
FlashLink: mashoma etekinoroji
Tekinoroji yekona yekona yeOceanStor Dorado mutsara ndeye FlashLink. Kunyanya chaizvo, ishoko rinobatanidza iyo yakakosha seti yetekinoroji inoshandira kuve nechokwadi chepamusoro kuita uye kuvimbika. Izvi zvinosanganisira tekinoroji yekubvisa uye yekumanikidza, kushanda kweRAID 2.0+ yekugovera data system, kupatsanurwa kwe "inotonhora" uye "inopisa" data, ese-stripe sequential data kurekodha (random rekodhi, ine nyowani uye yakashandurwa data, inounganidzwa kuita hombe stack uye yakanyorwa sequentially, iyo inowedzera kukurumidza kuverenga-kunyora).
Pakati pezvimwe zvinhu, FlashLink inosanganisira zvinhu zviviri zvakakosha - Wear Leveling uye Global Garbage Collection. Vakakodzera kugara pane zvakasiyana.
Muchokwadi, chero solid-state drive ndeye yekuchengetedza sisitimu mudiki, ine nhamba huru yezvivharo uye controller inovimbisa kuwanikwa kwedata. Uye inosimbiswa, pakati pezvimwe zvinhu, nenyaya yekuti data kubva kumasero "akaurayiwa" anotamirwa kumasero "asina kuurayiwa". Izvi zvinoita kuti vagone kuverengwa. Kune akasiyana algorithms ekutamisa kwakadaro. Kazhinji, mutongi anoedza kuenzanisa kupfeka kwemasero ose ekuchengetedza. Pane kuderera kwemaitiro aya. Kana data ikafamba mukati meSSD, nhamba yeI/O mashandiro ainoita inodzikiswa zvakanyanya. Parizvino ihuipi hunodiwa.
Saka, kana hurongwa huine zvakawanda zvakasimba-nyika inotyaira, girafu yekushanda kwayo icharatidza "saw-tooth" pattern, ine inopinza kumusoro uye pasi. Dambudziko nderekuti chero munhu anotyaira kubva padziva anogona kutanga kutama kwedata chero nguva, uye kuita kwese kunobviswa panguva imwe chete kubva kune ese maSSD ari muhurongwa. Asi mainjiniya eHuawei akafunga nzira yekudzivirira iyo "saw".
Neraki, vanodzora mumadhiraivha, mutongi wekuchengetera, uye microcode vanobva kuHuawei; maitiro aya muOceanStor Dorado 18000 V6 anotangwa nechepakati, synchronously pane ese madhiraivha muhurongwa. Uyezve, pakuraira kwemutongi wekuchengetedza uye chaizvo kana pasina inorema I / O mutoro.
Iyo artificial intelligence chip inobatanidzwawo mukusarudza nguva yakakodzera yekuendesa data: zvichibva pahuwandu hwezvikumbiro mumwedzi mishoma yapfuura, inokwanisa kufanotaura nemukana wepamusoro-soro kana kutarisira inoshanda I / O munguva pfupi iri kutevera, uye kana mhinduro isina kunaka, uye mutoro uri pahurongwa panguva ino uri mudiki, ipapo mutongi anoraira madhiraivha ese: avo vanoda Wear Leveling vanofanira kuzviita kamwechete uye synchronously.
Uyezve, iyo system controller inoona zviri kuitika musero yega yega yekuchengetera, kusiyana nemasisitimu ekuchengetedza kubva kune vanokwikwidza vanogadzira: ivo vanomanikidzwa kutenga yakasimba-nyika midhiya kubva kune vechitatu-bato vatengesi, ndosaka sero-level ruzivo rusingawanikwe kune vatongi. zvekuchengetedza kwakadaro.
Nekuda kweizvozvo, iyo OceanStor Dorado 18000 V6 ine nguva pfupi kwazvo yekurasikirwa kwekuita panguva yeWear Leveling oparesheni, uye inoitwa zvakanyanya kana isingakanganise chero mamwe maitiro. Izvi zvinopa kushanda kwepamusoro, kwakagadzikana nguva dzose.
Chii chinoita kuti OceanStor Dorado 18000 V6 yavimbike?
Masisitimu emazuva ano ekuchengetedza data ane mazinga mana ekuvimbika:
- hardware, pamwero wekutyaira;
- zvekuvaka, pamwero wemidziyo;
- architectural pamwe chete nechikamu chesoftware;
- cumulative, ine chekuita nechisarudzo chakazara.
Sezvo, ngatikuyeuchidzei, kambani yedu inogadzira uye inogadzira zvese zvikamu zvesisitimu yekuchengetera pachayo, isu tinovimbisa kuvimbika pane yega yega nhanho ina, nekugona kunyatso tarisisa zviri kuitika pane api wavo panguva ino.
Kuvimbika kwemadhiraivha kunovimbiswa zvakanyanya neyakatsanangurwa kare Wear Leveling uye Global Garbage Collection. Kana SSD ichiita sebhokisi dema kune sisitimu, haina zano rekuti masero ari mairi anopera sei. YeOceanStor Dorado 18000 V6, madhiraivha ari pachena, achibvumira kuenzanisa yunifomu pamadhiraivha ese ari muhurongwa. Nenzira iyi, zvinokwanisika kuwedzera zvakanyanya hupenyu hweSSD uye kuve nechokwadi chepamusoro chekuvimbika kwekushanda kwavo.
Kuvimbika kwedhiraivha kunokanganisawo nekuwedzera masero mairi mairi. Uye pamwe chete nechengetedzo yakapusa, sisitimu yekuchengetera inoshandisa inonzi DIF maseru, ayo ane macheki, pamwe nemamwe makodhi anoita kuti zvikwanise kudzivirira bhuroka rega kubva pakukanganisa kumwe chete, mukuwedzera kuchengetedzwa padanho reRAID array.
Kiyi yekuvimbika kwekuvaka ndiyo SmartMatrix mhinduro. Muchidimbu, aya ma controller mana anogara pane passive backplane sechikamu cheinjini imwe. Injini mbiri dzakadai - zvichiteerana, dzine vatongi vasere - dzakabatana nemasherufu akajairika ane madhiraivha. Kutenda kuSmartMatrix, kunyangwe vanomwe kubva pavasere vanodzora vakamira kushanda, kuwana kune ese data, zvese kuverenga nekunyora, zvicharamba zviripo. Uye kana vatanhatu kubva pavasere vanodzora vakarasika, zvinotogoneka kuenderera mberi nekuita caching.
I/O mabhodhi pane imwechete passive backplane anowanikwa kune vese vatongi, vese kumberi-kumagumo uye kumashure-kumagumo. Neiyi yakazara-mesh yekubatanidza chirongwa, zvisinei kuti chii chinokanganisa, kupinda kune madhiraivha kunogara kuchichengetwa.
Izvo zvakanyanya kufanirwa kutaura nezve kuvimbika kwechivakwa mumamiriro ezvinhu ekukundikana, iyo iyo data yekuchengetedza system inokwanisa kupa dziviriro.
Iyo yekuchengetedza ichapona mamiriro acho pasina kurasikirwa kana vatongi vaviri "vakadonha", kusanganisira panguva imwe chete. Kugadzikana kwakadaro kunowanikwa nekuda kwekuti chero cache block ine mamwe makopi maviri pane akasiyana controller, ndiko kuti, muhuwandu huripo mumakopi matatu. Uyezve, kanenge imwe iri pane imwe injini. Nokudaro, kunyange kana injini yose ikamira kushanda - pamwe chete nevatongi vayo vose - kuchengetedzwa kwemashoko ose aive mumemori ye cache anovimbiswa, nokuti mune imwe chete controller kubva kune injini yakasara cache ichadzokororwa. Pakupedzisira, ne-daisy-chain chain connection, unogona kurasikirwa kusvika kune vanomwe vatongi, uye kunyange kana vakabviswa mumabhuroki maviri, uye zvakare zvose I / O uye data yose kubva mumemori ye cache ichachengetwa.
Kana ichienzaniswa nekuchengetwa kwehi-end kubva kune vamwe vanogadzira, zviri pachena kuti Huawei chete ndiye anopa kuchengetedzwa kwedata kwakazara uye kuwanikwa kwakazara kunyangwe mushure mekufa kwevatongi vaviri kana injini yese. Vazhinji vatengesi vanoshandisa chirongwa neinonzi controller pairs kune madhiraivha akabatana. Nehurombo, mukugadzirisa uku, kana vatongi vaviri vakakundikana, pane njodzi yekurasikirwa neI / O kuwana dhiraivha.
Maiwe, kukundikana kwechikamu chimwe chete hakugoni kutorwa nenzira kwayo. Muchiitiko ichi, kuita kuchatambura kwenguva yakati: zvinodikanwa kuti nzira dzivakwezve uye kuwana kweI/O mashandiro kuti atangezve maererano nezvivharo izvo zvakauya kuzonyorwa, asi zvisati zvanyorwa, kana kuti zvakumbirwa. kuverenga. Iyo OceanStor Dorado 18000 V6 ine avhareji yekuchinja nzira yenguva ingangoita sekondi imwe - zvakanyanya kuderera pane yepedyo analogue muindasitiri (4 masekonzi). Izvi zvinowanikwa nekuda kweiyo chete passive backplay: kana mutongi atadza, vamwe vanobva vaona kuburitsa kwayo, uye kunyanya iyo data block haina kunyorwa; Somugumisiro, mutongi ari pedyo anotora maitiro. Saka kugona kudzoreredza kugadzirwa chaiko musekondi. Inofanira kuwedzerwa kuti nguva yacho yakagadzikana: yechipiri kune mumwe mutongi, yechipiri kune imwe, nezvimwe.
MuOceanStor Dorado 18000 V6 passive backplane, mabhodhi ese anowanikwa kune ese ma controller pasina imwe yekuwedzera kero. Izvi zvinoreva kuti chero controller inokwanisa kutora I / O pane chero chiteshi. Chero chero kumberi kwechiteshi iyo I / O inouya kwairi, mutongi achange akagadzirira kuigadzirisa. Izvi zvinoguma nehuwandu hushoma hwekutamiswa kwemukati uye kurerutsa kunooneka kwekuenzanisa.
Frontend balancing inoitwa uchishandisa mutyairi wemultipathing, uye kuwedzera kuenzanisa kunoitwa mukati meiyo system pachayo, sezvo vese vatongi vanoona ese maI/O madoko.
Nechinyakare, ese Huawei arrays akagadzirwa nenzira yekuti haana kana imwe pfungwa yekutadza. Zvese zvikamu zvinogona kupisa-kuchinjana pasina kudzoreredza sisitimu: controller, magetsi modules, inotonhorera modules, I/O mabhodhi, nezvimwe.
Tekinoroji yakadai seRAID-TP inowedzerawo kuvimbika kwehurongwa hwakazara. Iri izita reboka reRAID, iro rinokutendera kuti uzvichengete iwe pachako kana ukatadza panguva imwe chete yekusvika matatu madhiraivha. Uyezve Kuvakazve 1 TB kunogara kunotora isingasviki maminetsi makumi matatu. Mhedzisiro yakarekodhwa yakanakisa yakapetwa kasere kupfuura nehuwandu hwe data pane spindle drive. Nekudaro, zvinokwanisika kushandisa zvakanyanya capacious madhiraivha, taura 7,68 kana kunyange 15 TB, uye usanetsekane nezve kuvimbika kwehurongwa.
Izvo zvakakosha kuti kuvakazve kuitwe kwete mune yakasarudzika drive, asi munzvimbo yakasarudzika - iyo yekuchengetedza simba. Imwe neimwe drive ine nzvimbo yakatsaurirwa iyo inoshandiswa kudzoreredza data mushure mekutadza. Nokudaro, kudzorerwa kunoitwa kwete maererano ne "vazhinji kune imwe" chirongwa, asi maererano ne "vazhinji kune vakawanda" chirongwa, nekuda kwekuti zvinokwanisika kukurumidza kukurumidza kuita. Uye chero bedzi paine simba remahara, kudzoreredza kunogona kuenderera.
Zvakaparadzana, zvakakodzera kutaura kuvimbika kwemhinduro kubva kune akati wandei storages - mune metro cluster, kana, muHuawei terminology, HyperMetro. Zvirongwa zvakadaro zvinotsigirwa muhuwandu hwese hwese data data system uye inobvumira kushanda nezvose zviri zviviri faira uye block kupinda. Uyezve, pane block base inoshanda zvese kuburikidza neFiber Channel uye Ethernet (kusanganisira iSCSI).
Muchidimbu, tiri kutaura nezve bidirectional kudzokorora kubva kune imwe yekuchengetedza system kuenda kune imwe, umo iyo yakadzokororwa LUN inopihwa yakafanana LUN-ID seyo huru. Iyo tekinoroji inoshanda zvakanyanya nekuda kwekuenderana kwema cache kubva kune maviri akasiyana masisitimu. Saka, kune mugamuchiri haaite mutsauko kuti nderipi divi: zvese pano neapo inoona zvakafanana zvine musoro drive. Nekuda kweizvozvo, hapana chinokutadzisa kuendesa failover cluster yakapararira pamusoro pemasaiti maviri.
Kune quorum, yemuviri kana chaiyo Linux muchina unoshandiswa. Inogona kunge iri panzvimbo yechitatu, uye zvinodiwa zvezviwanikwa zvayo zviduku. Mamiriro ezvinhu akajairika ndeyekurenda saiti chaiyo yekungotambira quorum VM.
Iyo tekinoroji inobvumirawo kuwedzera: nzvimbo mbiri dzekuchengetera mune metro cluster, imwe saiti yekuwedzera ine asynchronous replication.
Nhoroondo, vatengi vakawanda vakagadzira "zoo yekuchengetedza": boka rekuchengetedza masisitimu kubva kune vakasiyana vanogadzira, mhando dzakasiyana, zvizvarwa zvakasiyana, zvine maitiro akasiyana. Panguva imwecheteyo, nhamba yevatenzi inogona kufadza, uye inowanzoitwa virtualized. Mumamiriro ezvinhu akadai, rimwe remabasa ekutanga ekutonga ndere kukurumidza, zvakafanana uye zviri nyore kupa madhisiki ane musoro kune vanogamuchira, zviri nani pasina kutarisisa kuti aya madhisiki anowanikwa kupi. Izvi ndizvo zvakagadzirirwa software yedu OceanStor DJ, iyo inogona kubata vakabatana akasiyana masisitimu ekuchengetedza data uye nekupa masevhisi kubva kwavari pasina kusungirirwa kune chaiyo yekuchengetedza modhi.
Zvimwe chete neAI
Sezvambotaurwa, iyo OceanStor Dorado 18000 V6 ine yakavakirwa-mukati ma processors ane artificial intelligence algorithms - Ascend. Ivo vanoshandiswa, kutanga, kufanotaura kutadza, uye chechipiri, kugadzira kurudziro yekumisikidza, iyo inowedzerawo kuita uye kuvimbika kwekuchengetedza.
Iyo yekufanotaura ndeye mwedzi miviri: iyo AI injini inotora izvo zvingangoitika panguva ino, ingave nguva yekuwedzera, kushandura nzira dzekuwana, nezvimwe. gadziriro yekugadzirisa mberi kwenguva.
Nhanho inotevera mukuvandudzwa kweAI kubva kuHuawei inosanganisira kuitora kune yepasi rose. Munguva yekugadzirisa sevhisi-kutadza kubata kana kurudziro-Huawei anounganidza ruzivo kubva kumasisitimu ekutema matanda kubva kunzvimbo dzekuchengetera vatengi vedu. Zvichienderana nezvinounganidzwa, ongororo yezvakaitika kana zvingangoitika kukundikana kunoitwa uye kurudziro yepasirese inoitwa - zvichibva kwete pakushanda kweimwe chaiyo yekuchengetedza system kana gumi nemaviri, asi pane zviri kuitika uye zvakaitika kuzviuru zvemidziyo yakadaro. . Sample yakakura, uye zvichibva pairi, AI algorithms inotanga kudzidza nekukurumidza zvakanyanya, ndosaka chokwadi chekufungidzira kuchiwedzera zvakanyanya.
kugarisana
Muna 2019-2020, pakanga paine zvakawanda zvekunyepedzera nezvekudyidzana kwemidziyo yedu neVMware zvigadzirwa. Kuti tizovamisa pakupedzisira, isu tinozivisa zvine hungwaru: VMware ishamwari yeHuawei. Yese inofungidzirwa bvunzo yakaitwa kuona kuenderana kwehardware yedu nesoftware yayo, uye nekudaro, pawebhusaiti yeVMware, iyo hardware inoenderana pepa inonyora iripo parizvino masisitimu ekuchengetera ekugadzirwa kwedu pasina kupokana. Mune mamwe mazwi, neVMware software nharaunda unogona kushandisa Huawei kuchengetedza, kusanganisira Dorado V6, nerutsigiro rwakakwana.
Zvakafanana zvinoenda kukubatana kwedu neBrocade. Isu tinoenderera mberi nekubatana uye kuyedza kuwirirana kwezvigadzirwa zvedu - uye zvichibva pane zvazvichawana, tinogona kutaura nechivimbo kuti masisitimu edu ekuchengetera anofambirana zvizere neazvino Brocade FC switch.
Chii chinotevera?
Isu tinoenderera mberi nekugadzira nekuvandudza ma processors edu: vanokurumidza, vanovimbika zvakanyanya, uye kuita kwavo kunowedzera. Isu tiri kuvandudza AI machipi - mamodule ari kugadzirwa pahwaro hwawo anomhanyisa kudhirowa uye kumanikidza. Avo vanokwanisa kuwana configurator yedu vanogona kunge vaona kuti muDorado V6 modhi makadhi aya atovepo kuodha.
Isu tiri kuenda zvakare kune yekuwedzera caching paKuchengeta Kirasi Memory - isiri-inotenderera ndangariro ine yakaderera latency, angangoita gumi mamicroseconds pakuverenga. Pakati pezvimwe zvinhu, SCM inopa kusimudzira kwekuita, kunyanya kana uchishanda nedata hombe uye kugadzirisa matambudziko eOLTP. Mushure mekuvandudzwa kunotevera, makadhi eSCM anofanirwa kuwanikwa kuti aodha.
Uye zvechokwadi, faira yekuwana mashandiro anozowedzerwa mukati mese kwese kweHuawei data storages - gara wakagadzirira kuti tigadzirise.
Source: www.habr.com