Ukuhlukaniswa kwe-chassis yeseva
Uma sikhuluma ngekesi leseva, sivame ukukhuluma ngekesi yeseva engu-2U noma ikesi leseva engu-4U, ngakho-ke ithini i-U kusimo seseva? Ngaphambi kokuphendula lo mbuzo, ake sethule kafushane i-chassis yeseva.
Ikesi leseva lisho i-chassis yempahla yenethiwekhi engahlinzeka ngamasevisi athile. Izinsizakalo eziyinhloko ezinikeziwe zihlanganisa: ukwamukela nokulethwa kwedatha, ukugcinwa kwedatha nokucubungula idatha. Ngokwemibandela ye-layman, singaqhathanisa ikesi leseva nekesi lekhompyutha elikhethekile ngaphandle komqaphi. Ngakho ingabe ikesi lami lekhompuyutha lingasetshenziswa njengekesi leseva? Ngokombono, icala le-PC lingasetshenziswa njengekesi leseva. Nokho, i-server chassis ngokuvamile isetshenziswa ezimeni ezithile, njengalezi: amabhizinisi ezezimali, izinkundla zokuthenga ku-inthanethi, njll. Kulezi zimo, isikhungo sedatha esihlanganisa izinkulungwane zamaseva singagcina futhi sicubungule amanani amakhulu edatha. Ngakho-ke, i-chassis yekhompyutha yomuntu siqu ayikwazi ukuhlangabezana nezidingo ezikhethekile mayelana nokusebenza, umkhawulokudonsa, namandla okucubungula idatha. Ikesi leseva lingahlukaniswa ngokuya ngesimo somkhiqizo, futhi lingahlukaniswa libe: ikesi leseva yombhoshongo: uhlobo oluvame kakhulu lwekesi leseva, elifana ne-chassis yozimele wekhompyutha. Lolu hlobo lwekesi leseva lukhulu futhi luzimele, futhi akulula ukuphatha isistimu lapho usebenza ndawonye. Isetshenziswa kakhulu amabhizinisi amancane ukwenza ibhizinisi. Ikesi leseva elifakwe ku-rack: ikesi leseva elibukeka njengeyunifomu nobude e-U. Lolu hlobo lwekesi leseva luthatha isikhala esincane futhi kulula ukuluphatha. Isetshenziswa kakhulu emabhizinisini anesidingo esikhulu samaseva, futhi futhi iyi-chassis yeseva esetshenziswa kakhulu. I-chassis yeseva: ikesi elifakwe i-rack elinobude obujwayelekile ngokubukeka, kanye nekesi leseva lapho amayunithi eseva yohlobo lwekhadi angafakwa khona kukesi. Isetshenziswa kakhulu ezikhungweni zedatha ezinkulu noma izinkambu ezidinga amakhompiyutha amakhulu, njengezimboni zamabhange nezezimali.
Yini i-U? Ekuhlukanisweni kwekesi leseva, sifunde ukuthi ubude bekesi leseva ye-rack kuse-U. Ngakho, iyini ngempela i-U? U-U (isifinyezo seyunithi) iyunithi emele ubude bekesi leseva yerack. Usayizi onemininingwane ka-U wakhiwe yi-American Electronics Industries Association (EIA), 1U=4.445 cm, 2U=4.445*2=8.89 cm, njalo njalo. U-U akayona i-patent yekesi leseva. Ekuqaleni kwakuyisakhiwo sokubeka esisetshenziselwa ukuxhumana nokushintshanisa, futhi kamuva sabhekisela kuma-server rack. Okwamanje esetshenziswa njengezinga elingakahleleki lokwakhiwa kwe-rack yeseva, okuhlanganisa osayizi abashiwo bezikulufa, izikhala zezimbobo, ama-rails, njll. Ukucacisa usayizi wekesi leseva ngo-U kugcina i-chassis yeseva ikusayizi ofanele wokufakwa kuma-rack ensimbi noma e-aluminium. Kunezimbobo zezikulufu ezigcinwe kusenesikhathi ngokuya nge-chassis yeseva yosayizi abahlukahlukene ku-rack, iqondanise nezimbobo zesikulufu zekesi leseva, bese uyilungisa ngezikulufo. Usayizi ocaciswe ngu-U ububanzi (48.26 cm = 19 amayintshi) nobude (izinqwaba ezingu-4.445 cm) zekesi leseva. Ubude nokujiya kwekesi leseva kusekelwe ku-U, 1U=4.445 cm. Ngenxa yokuthi ububanzi buyi-intshi engu-19, i-rack ehlangabezana nale mfuneko ngezinye izikhathi ibizwa ngokuthi "i-rack engu-19-intshi."
Isikhathi sokuthumela: Aug-16-2023