Assalamu alaikum, masu karatun Habr. Da wannan labarin za mu buɗe jerin abubuwan da za su yi magana game da tsarin hyperconverged AERODISK vAIR da muka ƙirƙira. Da farko, muna so mu gaya komai game da komai a cikin labarin farko, amma tsarin yana da rikitarwa, don haka za mu ci giwa a sassa.
Bari mu fara labarin tare da tarihin ƙirƙirar tsarin, mu shiga cikin tsarin fayil na ARDFS, wanda shine tushen vAIR, kuma muyi magana kadan game da matsayi na wannan bayani akan kasuwar Rasha.
A cikin labarin da ke gaba za mu yi magana dalla-dalla game da sassa daban-daban na gine-gine (cluster, hypervisor, load balancer, tsarin kulawa, da dai sauransu), tsarin daidaitawa, tada batutuwan lasisi, daban-daban suna nuna gwajin haɗari kuma, ba shakka, rubuta game da gwajin kaya girman girman. Za mu kuma keɓe wani labarin dabam ga sigar al'umma ta vAIR.
Shin Aerodisk labari ne game da tsarin ajiya? Ko me ya sa muka fara yin hyperconvergence tun farko?
Da farko, ra'ayin ƙirƙirar namu hyperconvergence ya zo mana wani wuri a kusa da 2010. A wannan lokacin, babu Aerodisk ko makamancin mafita (nau'in haɓakar haɓakar kasuwancin kasuwanci) akan kasuwa. Ayyukanmu shine kamar haka: daga saitin sabobin tare da fayafai na gida, haɗin kai ta hanyar haɗin kai ta hanyar ka'idar Ethernet, ya zama dole don ƙirƙirar ƙarin ajiya da ƙaddamar da injunan kama-da-wane da cibiyar sadarwar software a can. Dole ne a aiwatar da duk waɗannan ba tare da tsarin ajiya ba (saboda kawai babu kuɗi don tsarin ajiya da kayan aikin sa, kuma har yanzu ba mu ƙirƙira namu tsarin ajiya ba).
Mun gwada hanyoyin buɗe tushen da yawa kuma a ƙarshe mun magance wannan matsalar, amma maganin yana da wahala sosai kuma yana da wahalar maimaitawa. Bayan haka, wannan maganin yana cikin rukunin "Shin yana aiki? Kar a taɓa! Saboda haka, bayan warware wannan matsalar, ba mu ƙara haɓaka ra'ayin canza sakamakon aikinmu zuwa samfuri cikakke ba.
Bayan wannan lamarin, mun kawar da wannan ra'ayi, amma har yanzu muna jin cewa wannan matsala za ta iya magance gaba daya, kuma amfanin irin wannan maganin ya fi a bayyane. Daga baya, samfuran HCI da aka fitar na kamfanonin kasashen waje sun tabbatar da wannan jin kawai.
Sabili da haka, a tsakiyar 2016, mun koma wannan aikin a matsayin wani ɓangare na ƙirƙirar cikakken samfurin. A wancan lokacin har yanzu ba mu da wata alaka da masu zuba jari, don haka sai da muka sayi takin ci gaba da kanmu ba kudi masu yawa ba. Bayan tattara sabobin da aka yi amfani da su da masu kunnawa a kan Avito, mun sauka zuwa kasuwanci.
Babban aikin farko shine ƙirƙirar namu, ko da yake mai sauƙi, amma tsarin fayil ɗin namu, wanda zai iya rarraba bayanai ta atomatik kuma a ko'ina a cikin nau'in tubalan kama-da-wane akan adadin nth na cluster nodes, waɗanda aka haɗa ta hanyar haɗin kai ta hanyar Ethernet. A lokaci guda, FS ya kamata ya daidaita da kyau da sauƙi kuma ya kasance mai zaman kanta daga tsarin da ke kusa, watau. a nisantar da vAIR a cikin hanyar "ka'idar ajiya kawai".
Tunanin vAIR na farko
Mun yi watsi da amfani da shirye-shiryen buɗe tushen mafita don tsara shimfiɗar ajiya (ceph, gluster, luster da makamantansu) don neman ci gaban namu, tunda mun riga mun sami ƙwarewar aikin da yawa tare da su. Tabbas, waɗannan mafita da kansu suna da kyau, kuma kafin yin aiki akan Aerodisk, mun aiwatar da aikin haɗin kai fiye da ɗaya tare da su. Amma abu daya ne don aiwatar da takamaiman aiki ga abokin ciniki ɗaya, horar da ma'aikata da, watakila, saya tallafin babban dillali, kuma wani abu ne don ƙirƙirar samfur mai sauƙin kwafi wanda za a yi amfani da shi don ayyuka daban-daban, wanda mu, a matsayin mai sayarwa, watakila ma san kan mu ba za mu yi ba. Don dalili na biyu, samfuran buɗaɗɗen da ke akwai ba su dace da mu ba, don haka mun yanke shawarar ƙirƙirar tsarin fayil ɗin da kanmu.
Shekaru biyu bayan haka, da yawa masu haɓakawa (waɗanda suka haɗa aiki akan vAIR tare da aiki akan tsarin ajiya na Injin na yau da kullun) sun sami wani sakamako.
Zuwa 2018, mun rubuta tsarin fayil mai sauƙi kuma mun ƙara shi da kayan aikin da ake buƙata. Tsarin ya haɗa fayafai na zahiri (na gida) daga sabar daban-daban zuwa cikin falo ɗaya lebur ta hanyar haɗin kai na ciki kuma “yanke” su cikin tubalan kama-da-wane, sa'an nan kuma an ƙirƙiri na'urori masu nau'ikan nau'ikan juriya na kuskure daga ɓangarorin kama-da-wane, waɗanda aka ƙirƙiri na zahiri. kuma an kashe shi ta amfani da motocin KVM hypervisor.
Ba mu damu sosai da sunan tsarin fayil ba kuma a takaice mun kira shi ADFFS (gama abin da yake nufi))
Wannan samfurin ya yi kyau (ba a gani ba, ba shakka, babu wani zane na gani tukuna) kuma ya nuna sakamako mai kyau dangane da aiki da ƙira. Bayan sakamako na farko na ainihi, mun saita wannan aikin a cikin motsi, muna shirya cikakken yanayin ci gaba da kuma wata ƙungiya daban wadda ta yi aiki kawai tare da vAIR.
A dai-dai wannan lokacin, tsarin gine-gine na gaba ɗaya na maganin ya balaga, wanda har yanzu bai sami manyan canje-canje ba.
Nutse cikin tsarin fayil na ADFFS
ARDFS shine tushe na vAIR, wanda ke ba da rarraba, ajiyar bayanai masu jure rashin kuskure a cikin duka tari. Ɗaya daga cikin (amma ba kaɗai) keɓaɓɓen fasalulluka na ADFS shine cewa baya amfani da kowane ƙarin sabar sadaukarwa don metadata da gudanarwa. An samo wannan asali ne don sauƙaƙe daidaitawar maganin kuma don amincinsa.
Tsarin ajiya
A cikin dukkan nodes na gungu, ADFS yana tsara wurin tafki mai ma'ana daga duk sararin faifai. Yana da mahimmanci a fahimci cewa tafkin ba tukuna bayanai ko tsara sarari ba, amma kawai alama, watau. Duk wani nodes da aka shigar da vAIR, lokacin da aka ƙara shi zuwa gungu, ana ƙara ta atomatik zuwa wurin tafki na ADFFS da aka raba kuma albarkatun faifai za su zama ana rabawa ta atomatik a cikin duka tari (kuma akwai don ajiyar bayanai na gaba). Wannan tsarin yana ba ku damar ƙarawa da cire nodes akan tashi ba tare da wani tasiri mai mahimmanci akan tsarin da ke gudana ba. Wadancan. tsarin yana da sauƙi don sikelin "a cikin tubali", ƙara ko cire nodes a cikin gungu idan ya cancanta.
Ana saka faifai na zahiri (abubuwan ajiya don injunan kama-da-wane) a saman tafkin ARDFS, waɗanda aka gina su daga ɓangarorin kama-da-wane na megabyte 4 girman. Fayafai na zahiri suna adana bayanai kai tsaye. Hakanan an saita makircin haƙurin kuskure a matakin faifai.
Kamar yadda wataƙila kuka riga kuka yi tsammani, saboda rashin haƙuri na tsarin faifai, ba ma amfani da manufar RAID (Redundant array of Senik Disks), amma amfani da RAIN (Redundant array of Independent Nodes). Wadancan. Ana auna haƙurin kuskure, sarrafa kansa, kuma ana sarrafa shi bisa ga kumburi, ba faifai ba. Disks, ba shakka, suma wani abu ne na ajiya, su, kamar kowane abu, ana kula da su, za ku iya yin duk daidaitattun ayyuka tare da su, ciki har da harhada RAID hardware na gida, amma cluster yana aiki musamman akan nodes.
A cikin yanayin da kuke son RAID da gaske (misali, yanayin da ke goyan bayan faɗuwa da yawa akan ƙananan gungu), babu abin da zai hana ku yin amfani da masu kula da RAID na gida, da gina shimfiɗaɗɗen ma'ajiya da tsarin gine-ginen RAIN a saman. Wannan yanayin yana raye kuma muna goyon bayansa, don haka za mu yi magana game da shi a cikin labarin game da al'amuran yau da kullun don amfani da vAIR.
Tsare-tsaren Haƙuri Laifin Adana
Ana iya samun makircin haƙura kuskure guda biyu don fayafai masu kama da juna a cikin vAIR:
1) Matsala mai maimaitawa ko kuma kawai maimaitawa - wannan hanyar jure rashin kuskure yana da sauƙi kamar sanda da igiya. Ana yin kwafi na aiki tare tsakanin nodes tare da adadin 2 (kwafi 2 kowace tari) ko 3 (kofi 3, bi da bi). RF-2 yana ba da damar faifai mai kama-da-wane don jure wa gazawar kumburi ɗaya a cikin gungu, amma “ci” rabin ƙimar amfani, kuma RF-3 zai jure rashin nasarar nodes 2 a cikin gungu, amma yana ajiyar 2/3 na girma mai amfani don bukatunsa. Wannan makirci yayi kama da RAID-1, wato, faifan kama-da-wane da aka saita a cikin RF-2 yana da juriya ga gazawar kowane kumburi a cikin gungu. A wannan yanayin, komai zai yi kyau tare da bayanan kuma ko da I / O ba zai tsaya ba. Lokacin da kumburin faɗuwar ya dawo sabis, dawo da bayanai ta atomatik / aiki tare zai fara.
A ƙasa akwai misalan rarraba bayanan RF-2 da RF-3 a yanayin al'ada da kuma cikin yanayin gazawa.
Muna da injin kama-da-wane mai karfin 8MB na bayanai na musamman (mai amfani), wanda ke aiki akan nodes 4 vAIR. A bayyane yake cewa a gaskiya ba zai yiwu a sami irin wannan ƙananan ƙarar ba, amma ga makircin da ke nuna ma'anar aikin ADFFS, wannan misali shine mafi fahimta. AB su ne tubalan kama-da-wane 4MB masu ɗauke da bayanan injin kama-da-wane. RF-2 yana ƙirƙirar kwafi biyu na waɗannan tubalan A1+A2 da B1+B2, bi da bi. Waɗannan tubalan an “shirya su” a fadin nodes, suna guje wa haɗuwar bayanai iri ɗaya akan kulli ɗaya, wato, kwafin A1 ba zai kasance a kan kulli ɗaya da kwafin A2 ba. Daidai da B1 da B2.
Idan ɗaya daga cikin nodes ɗin ya gaza (misali, kumburi No. 3, wanda ya ƙunshi kwafin B1), wannan kwafin yana kunna kai tsaye a kullin inda babu kwafin kwafinsa (wato, kwafin B2).
Don haka, faifan kama-da-wane (da VM, don haka) na iya samun sauƙin tsira daga gazawar kumburi ɗaya a cikin tsarin RF-2.
Tsarin maimaitawa, yayin da mai sauƙi kuma abin dogaro, yana fama da matsala iri ɗaya kamar RAID1 - bai isa wurin amfani ba.
2) Goge codeing ko erasure codeing (wanda kuma aka sani da "Redundant codeing", "erasure codeing" ko "redundancy code") yana wanzuwa don magance matsalar da ke sama. EC wani tsari ne na sakewa wanda ke ba da babban wadatar bayanai tare da ƙananan sararin samaniya idan aka kwatanta da maimaitawa. Ka'idar aiki na wannan tsarin yayi kama da RAID 5, 6, 6P.
Lokacin da aka yi rikodin, tsarin EC yana raba shingen kama-da-wane (4MB ta tsohuwa) zuwa ƙananan "ɓangarorin bayanai" da yawa dangane da tsarin EC (misali, tsarin 2+1 yana raba kowane toshe 4MB zuwa 2 2MB chunks). Bayan haka, wannan tsari yana haifar da "kullun daidaitawa" don "ɓangaren bayanai" waɗanda ba su da girma fiye da ɗaya daga cikin sassan da aka raba a baya. Lokacin yanke hukunci, EC tana haifar da ɓangarori da suka ɓace ta hanyar karanta bayanan "cirewa" a cikin duka tari.
Misali, faifan kama-da-wane tare da tsarin 2 + 1 EC, wanda aka aiwatar akan nodes 4, zai iya jure rashin gazawar kumburi ɗaya cikin sauƙi cikin sauƙi kamar RF-2. A wannan yanayin, farashin kan gaba zai zama ƙasa, musamman, madaidaicin ƙarfin aiki don RF-2 shine 2, kuma ga EC 2+1 zai zama 1,5.
Don siffanta shi mafi sauƙi, ainihin ma'anar shi ne cewa an raba shingen kama-da-wane zuwa 2-8 (me yasa daga 2 zuwa 8, duba ƙasa) "gudu", kuma ga waɗannan guntu "gutsuniyoyi" na daidaitattun nau'i na nau'i mai kama da juna ana ƙididdige su.
Sakamakon haka, ana rarraba bayanai da daidaito daidai gwargwado a ko'ina cikin kofofin tari. A lokaci guda kuma, kamar yadda ake yin kwafi, ADFS tana rarraba bayanai ta atomatik a cikin nodes ta yadda za a hana adana bayanai iri ɗaya (kwafin bayanai da daidaiton su) a kan kulli ɗaya, don kawar da damar rasa bayanai saboda. don gaskiyar cewa bayanan da daidaiton su za su ƙare ba zato ba tsammani a kan kullin ajiya ɗaya wanda ya kasa.
A ƙasa akwai misali, tare da injin kama-da-wane guda 8 MB da nodes 4, amma tare da tsarin EC 2+1.
Blocks A da B sun kasu kashi biyu na 2MB kowanne (biyu saboda 2+1), wato A1+A2 da B1+B2. Ba kamar kwafi ba, A1 ba kwafin A2 ba ne, virtual block A, an kasu kashi biyu, iri ɗaya tare da block B. Gabaɗaya, muna samun saiti biyu na 4MB, kowannensu yana ɗauke da guda biyu-MB biyu. Na gaba, ga kowane ɗayan waɗannan saiti, ana ƙididdige ƙididdigewa tare da ƙarar da ba ta wuce yanki ɗaya ba (watau 2 MB), muna samun ƙarin + 2 guda na daidaici (AP da BP). A cikin duka muna da bayanan 4 × 2 + 2 × 2 daidaito.
Bayan haka, an "dagaya" guda a tsakanin nodes don kada bayanan su shiga tsakani. Wadancan. A1 da A2 ba za su kasance a kan kulli ɗaya da AP ba.
Idan akwai gazawar kumburi ɗaya (misali, kuma na uku), toshewar B1 da ta faɗi za a dawo da ita ta atomatik daga madaidaicin BP, wanda aka adana akan kumburin No. 2, kuma za'a kunna shi akan kumburin inda akwai. babu B-parity, i.e. yanki na BP. A cikin wannan misali, wannan kumburi No. 1
Na tabbata mai karatu yana da tambaya:
"Duk abin da kuka bayyana an dade ana aiwatar da su ta hanyar masu fafatawa da kuma a cikin mafita na bude ido, menene bambanci tsakanin aiwatar da EC a cikin ADFS?"
Kuma a sa'an nan za a sami ban sha'awa fasali na ADFS.
Goge coding tare da mai da hankali kan sassauci
Da farko, mun samar da tsarin EC X+Y mai sassauci, inda X daidai yake da lamba daga 2 zuwa 8, kuma Y yana daidai da lamba daga 1 zuwa 8, amma koyaushe ƙasa da ko daidai X. Ana samar da wannan tsarin. don sassauci. Ƙara yawan adadin bayanai (X) wanda aka raba katangarorin da ke cikin su yana ba da damar rage yawan kuɗin da ake kashewa, wato, ƙara sarari mai amfani.
Ƙara yawan adadin chunks (Y) yana ƙaruwa da amincin faifan kama-da-wane. Girman ƙimar Y, ƙarin nodes a cikin tari na iya gazawa. Tabbas, haɓaka ƙarar ƙima yana rage yawan ƙarfin da za a iya amfani da shi, amma wannan farashi ne don biyan aminci.
Dogaro da aiki akan da'irar EC kusan kai tsaye: ƙarin “gudu”, ƙarancin aikin; anan, ba shakka, ana buƙatar daidaitaccen ra'ayi.
Wannan hanya tana ba masu gudanarwa damar saita shimfiɗaɗɗen ajiya tare da matsakaicin matsakaici. A cikin tafkin ARDFS, zaku iya amfani da kowane tsarin haƙuri na kuskure da haɗuwarsu, wanda, a cikin ra'ayinmu, shima yana da amfani sosai.
A ƙasa akwai tebur da ke kwatanta da yawa (ba duka ba) RF da EC makirci.
Teburin ya nuna cewa ko da mafi yawan haɗin "terry" EC 8+7, wanda ke ba da damar asarar har zuwa 7 nodes a cikin gungu lokaci guda, "cin abinci" ƙasa da sararin samaniya (1,875 da 2) fiye da daidaitattun kwafi, kuma yana kare sau 7 mafi kyau. , wanda ke sa wannan tsarin kariya, ko da yake ya fi rikitarwa, ya fi kyau a cikin yanayi inda ya zama dole don tabbatar da iyakar aminci a cikin yanayin iyakataccen sarari. A lokaci guda, kuna buƙatar fahimtar cewa kowane "ƙari" zuwa X ko Y zai zama ƙarin aikin sama, don haka a cikin alwatika tsakanin aminci, tanadi da aiki kuna buƙatar zaɓar a hankali. Saboda wannan dalili, za mu keɓance wani labarin daban don goge girman ƙima.
Amincewa da cin gashin kansa na tsarin fayil
ARDFS yana gudana a cikin gida akan duk nodes na tarin kuma yana aiki tare da su ta amfani da nasa hanyoyin ta hanyar keɓance hanyoyin sadarwa na Ethernet. Muhimmin batu shine ADFFS yana aiki tare da kansa ba kawai bayanai ba, har ma da metadata masu alaƙa da ajiya. Yayin aiki akan ADFFS, mun yi nazarin adadin hanyoyin da ake da su a lokaci guda kuma mun gano cewa da yawa suna aiki tare da tsarin tsarin fayil ta amfani da DBMS da aka rarraba na waje, wanda muke amfani da shi don aiki tare, amma kawai saiti, ba FS metadata ba (game da wannan da sauran tsarin da ke da alaƙa. a labari na gaba).
Yin aiki tare da metadata na FS ta amfani da DBMS na waje, ba shakka, mafita ce mai aiki, amma daidaiton bayanan da aka adana akan ARDFS zai dogara ne akan DBMS na waje da halayensa (kuma, a zahiri, mace ce mai kishi), wanda a cikin ra'ayinmu ba daidai ba ne. Me yasa? Idan metadata na FS ya lalace, bayanan FS da kansa kuma ana iya cewa “bankwana,” don haka mun yanke shawarar ɗaukar hanya mafi rikitarwa amma abin dogaro.
Mun sanya tsarin aiki tare na metadata don ADFFS kanmu, kuma yana rayuwa gaba ɗaya ba tare da tsarin tsarin da ke kusa ba. Wadancan. babu wani tsarin da zai iya lalata bayanan ADFFS. A ra'ayinmu, wannan ita ce hanya mafi aminci kuma madaidaiciya, amma lokaci zai nuna ko wannan shine ainihin haka. Bugu da ƙari, akwai ƙarin fa'ida tare da wannan hanya. Ana iya amfani da ARDFS ba tare da vAIR ba, kamar shimfiɗaɗɗen ajiya, wanda tabbas za mu yi amfani da shi a samfuran nan gaba.
A sakamakon haka, ta hanyar haɓaka ADFFS, mun karɓi tsarin fayil mai sassauƙa kuma abin dogaro wanda ke ba da zaɓi inda zaku iya ajiyewa akan iya aiki ko ba da komai akan aiki, ko yin ajiya mai dogaro mai ƙarfi akan farashi mai ma'ana, amma rage buƙatun aiki.
Tare da tsarin ba da izini mai sauƙi da samfurin isarwa mai sassauƙa (gaban gaba, vAIR tana da lasisi ta kumburi, kuma ana isar da ita azaman software ko azaman fakitin software), wannan yana ba ku damar daidaita daidaitaccen mafita ga buƙatun abokin ciniki iri-iri sannan a sauƙaƙe kiyaye wannan daidaito.
Wanene yake buƙatar wannan abin al'ajabi?
A gefe guda, zamu iya cewa akwai 'yan wasa a kasuwa waɗanda ke da mafita mai mahimmanci a fagen haɓaka haɓaka, kuma a nan ne ainihin inda muke tafiya. Da alama wannan maganar gaskiya ce, AMMA...
A gefe guda, idan muka fita cikin filayen kuma muna sadarwa tare da abokan ciniki, mu da abokan aikinmu mun ga cewa ba haka lamarin yake ba. Akwai ayyuka da yawa don haɗuwa da juna, a wasu wuraren mutane ba su san cewa irin waɗannan hanyoyin sun wanzu ba, a wasu kuma yana da tsada, a wasu kuma an yi rashin nasara gwaje-gwaje na madadin hanyoyin, a wasu kuma sun hana saye gaba ɗaya saboda takunkumi. Gabaɗaya, filin ya zama an cire shi, don haka muka je don kiwon ƙasa budurwa))).
Yaushe tsarin ajiya ya fi GKS?
Yayin da muke aiki tare da kasuwa, ana tambayar mu sau da yawa lokacin da ya fi dacewa don amfani da tsarin gargajiya tare da tsarin ajiya, kuma lokacin amfani da hyperconvergent? Yawancin kamfanonin da ke samar da GCS (musamman waɗanda ba su da tsarin ajiya a cikin fayil ɗin su) suna cewa: "Tsarin adanawa yana zama wanda ba a daina amfani da shi ba, yana haɓaka kawai!" Wannan magana ce mai ƙarfin hali, amma ba ta nuna gaskiya gaba ɗaya ba.
A gaskiya ma, kasuwar ajiya hakika tana motsawa zuwa hyperconvergence da mafita iri ɗaya, amma akwai ko da yaushe "amma".
Da fari dai, cibiyoyin bayanai da kayan aikin IT da aka gina bisa ga tsarin gargajiya tare da tsarin ajiya ba za a iya sake gina su cikin sauƙi ba, don haka haɓakawa da kammala irin waɗannan ababen more rayuwa har yanzu gado ne na shekaru 5-7.
Abu na biyu, kayan aikin da ake ginawa a halin yanzu don mafi yawan (ma'anar Tarayyar Rasha) an gina su bisa ga tsarin gargajiya ta hanyar amfani da tsarin ajiya, kuma ba saboda mutane ba su san game da hyperconvergence ba, amma saboda kasuwar hyperconvergence sabon abu ne, mafita da kuma hanyoyin da za a yi amfani da su. har yanzu ba a kafa ma'auni ba , ba a horar da mutanen IT ba, suna da kwarewa kadan, amma suna buƙatar gina cibiyoyin bayanai a nan da yanzu. Kuma wannan yanayin zai šauki tsawon shekaru 3-5 (sannan kuma wani gado, duba aya 1).
Na uku, akwai ƙayyadaddun fasaha zalla a cikin ƙarin ƙananan jinkiri na millise seconds 2 a kowane rubuta (ban da cache na gida, ba shakka), waɗanda sune farashin ajiyar da aka rarraba.
Da kyau, kar mu manta game da amfani da manyan sabobin jiki waɗanda ke son sikelin tsarin faifai a tsaye.
Akwai ayyuka da yawa masu mahimmanci da shahararru inda tsarin ajiya ya fi GCS kyau. Anan, ba shakka, waɗancan masana'antun waɗanda ba su da tsarin ajiya a cikin fayil ɗin samfuran su ba za su yarda da mu ba, amma a shirye muke mu yi jayayya a hankali. Tabbas, mu, a matsayin masu haɓaka samfuran biyu, tabbas za mu kwatanta tsarin ajiya da GCS a cikin ɗayan littattafanmu na gaba, inda za mu nuna a sarari wanda ya fi kyau a cikin waɗanne yanayi.
Kuma a ina mafita za ta yi aiki mafi kyau fiye da tsarin ajiya?
Dangane da abubuwan da ke sama, za a iya yanke hukunci a bayyane guda uku:
- Inda ƙarin 2 milliseconds na latency don yin rikodi, wanda akai-akai yana faruwa a kowane samfurin (yanzu ba muna magana game da synthetics ba, ana iya nuna nanoseconds akan synthetics), ba su da mahimmanci, hyperconvergent ya dace.
- Inda za'a iya juyar da kaya daga manyan sabobin jiki zuwa ƙananan ƙananan kama-da-wane da rarraba tsakanin nodes, hyperconvergence shima zaiyi aiki sosai a can.
- Inda sikelin kwance ya fi fifiko fiye da sikeli a tsaye, GCS zai yi kyau a can ma.
Menene waɗannan mafita?
- Duk daidaitattun ayyukan samar da ababen more rayuwa (sabis na shugabanci, wasiƙa, EDMS, sabar fayil, ƙananan ko matsakaici ERP da tsarin BI, da sauransu). Muna kiran wannan "General Computing".
- Kayan aikin samar da girgije, inda ya zama dole don sauri da daidaitacce a kwance a kwance kuma cikin sauƙin "yanke" adadi mai yawa na injuna ga abokan ciniki.
- Kayayyakin kayan aikin tebur na zahiri (VDI), inda ƙananan injuna masu amfani da yawa ke gudana kuma suna "tafiya" cikin nutsuwa cikin gungu na uniform.
- Cibiyoyin sadarwa na reshe, inda kowane reshe yana buƙatar daidaitaccen ma'auni, mai jurewa kuskure, amma kayan more rayuwa mara tsada na injuna 15-20.
- Duk wani kwamfuta da aka rarraba (manyan sabis na bayanai, misali). Inda kaya ba "zurfin" ba, amma "a cikin nisa".
- Gwajin yanayi inda ƙarin ƙananan jinkiri ke karɓa, amma akwai ƙuntatawa na kasafin kuɗi, saboda waɗannan gwaje-gwaje ne.
A halin yanzu, don waɗannan ayyuka ne muka sanya AERODISK vAIR kuma akan su ne muke mayar da hankali (nasara ya zuwa yanzu). Wataƙila wannan zai canza ba da daɗewa ba, saboda ... duniya bata tsaya cak ba.
Don haka…
Wannan ya kammala kashi na farko na babban jerin kasidu; a kasida ta gaba za mu yi magana game da gine-ginen maganin da kuma abubuwan da aka yi amfani da su.
Muna maraba da tambayoyi, shawarwari da jayayya masu ma'ana.
source: www.habr.com