I-cluster iyithuluzi jikelele lokukhiqiza ukukhiqiza

Isimo esithakazelisayo senzeke emakethe ye-IT yanamuhla. Amaseva anamandla, okubiza izindleko eziningana izikhathi eziphindwe kabili kunamakhompiyutha avamile, angabonakali ngezikhathi ezimbili noma ezintathu kuphela. Umbuzo uwukuthi, kungani ukhokha ngaphezulu uma ungasebenzisa ubuchwepheshe obuhle kakhulu futhi uhlanganise amakhompiyutha amaningana ahlukene ahlukaniswe kwiqoqo. Lokhu kuzokusiza ukuthi ulondoloze imali futhi ungalahlekelwa amandla, okudingekayo ngezinhloso ezithile. Ngaphezu kwalokho, ebhonasi uthola uhlelo oluphindiwe. Iqoqo le-failover lizokuvumela ukuba wakhe uhlelo oluhle lwe-ultra.

Ubuchwepheshe beCluster buyasetshenziswa kakhulu ezindaweni eziningi zomsebenzi, lapho kusetshenziswa khona amakhompiyutha anamandla kuphela. Iqoqo liyiqembu elithile (amashumi, amakhulu, izinkulungwane) zamakhompiyutha angafani, abumbene ngendlela yokuthi iyisisetshenziswa esiyinhloko sokwenza izibalo. Ngesikhathi esifanayo, naphezu kwenani elikhulu lezingxenye, kubonakala njengento eyodwa.

Esinye sezizathu eziyinhloko zokuvela kobuchwepheshe bokuhlanganisa amakhompyutha kwi-cluster yiyona ethandwa kakhulu kwi-intanethi kanye namanani ayo okukhula zasendle. Ukukhula kwenani lolwazi oludlulisiwe kwakudinga isidingo samasu okucubungula okunamandla. Kodwa i-hardware, ngenxa yazo zonke izici zayo zobuchwepheshe, ayikwazi njalo ukubhekana nemisebenzi eyabelwe yona. Ngakho-ke, kwakukhona isidingo sokuhlanganisa le hardware ingxenye yokwenza imisebenzi yomhlaba wonke. Ngaphezu kwalokho, ukuthembeka okuphezulu ukuthi isigaba samaseva anganikeza sasidingekayo ezinkampanini ezinkulu ezigcina ulwazi oluningi.

Ngendawo yabo yendawo, amaqoqo ahlukaniswe abe phakathi futhi ahlonishwe ngokwemvelo. Iyokuqala, njengombuso, itholakala ngaphakathi kwekamelo elilodwa, okwakunjalo, ngokuphambene nalokho, ingahlakazeka ezindaweni ezikude ukusuka komunye nomunye. Ngokuqhubekayo, lobu buchwepheshe busetshenziselwa emkhakheni wekhompuyutha, okudinga ukusebenza kwe-hardware ephezulu.

Ikhwalithi ephezulu yezingxenye zokuxhuma, amandla aphezulu eziteshini ngabanye ngokusheshisa okukhulu kokucubungula ulwazi lwe-flows - konke okuhlanganiswe kwiqoqo kuyisisetshenziswa esikhulu esivumela imisebenzi eyenziwa ngokucacile noma yikuphi ukubunzima: kusuka ekufaniseni izinhlekelele ekulawuleni ukushayisana kwama-athomu ngokusheshisa.

Isigaba esilandelayo ekuthuthukiseni ubuchwepheshe benethiwekhi kungase kube uhlelo lwekhompiyutha yamatriki. Isisekelo salo sisezingeni lokuthi izinsiza ezingenamsebenzi zazo zonke amakhompyutha namadivayisi akha i-network asetshenziselwa ukuxazulula izinkinga zomhlaba wonke. Lokhu kutholakala ngokucubungula okufanayo kolwazi.

Izinhlelo zeCluster zinenzuzo eziningana ngaphezu kwezakhiwo ezijwayelekile ze-monoblock. Zikhiqiza kakhulu, zinamandla futhi zinokwethenjelwa. Ngokusebenzisa ubuchwepheshe beqoqo, kungenzeka ukufezekisa isixazululo cishe noma yimiphi imisebenzi ebekiwe, kungakhathaliseki ukuthi yinkimbinkimbi kangakanani.