Imithombo YeHDD Yaseva Yesipho: Izisindo Zokugcinwa Idatha Ezinembile Yokusebenza Ngokushesha

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Iphepha Lesi

Izinkomo

Ngiyabuzisa

Iphutha

Vumela Nethu

isiphediswe se-enterprise HDD

I-HDD yezinhloso zasekhaya kuyinto esemqileyo yesithombi esisebenzayo kwimfanelo ye-data center, ekhomba izinqubo zokugcinwa kwedatha ngokuphelele. Lezi zinhloso okuphezulu zokusebenza zidizaynwe ngendlela yokusebenza ngokuvamile emazingeni enkulu yezinhloso, zinikeza ukusebenza okuphumelelayo nokulandelana. Izi HDD zasekhaya zinamathuba oku-8TB ukuya kuma-20TB, zenze nezitekhnoloji eziphambene njengokuthi kuzinzalelwe helium ukuze kube lula ukusetshenziswa komoya futhi kuhlanganise ukulimala okuphakeme. Zidizaynwe ngokwengeziwe ngezindlela zokulungisa amaphoyinti, ukwenyameka okuphakeme kokuvinjelwa, nezinqubo zokukhuseleka kwe datha ukuze ikhona ukuthuthwa kwe datha. Lezi zinhloso zisebenza ngemfundo yeklasi yasekhaya eyona ilayishwa engenhawuke phansi ukulayisha imisebenzi yezindawo eziningi neziladingo ezinkulu. Ukudizayna kwazo kufaka phakathi itechnoloji yomsebenzi wezimbali ezimbili ukuze kube lula ukusetha isihlahla futhi kunezinqubo zokuphatha ikhashi ukuze kube lula ukukhipha datha. Izi HDD zasekhaya zidizaynwe ngokuthi zikhone ukusebenza ngama MTBF (Mean Time Between Failures) angama-2.5 miliyoni i-ilanga, okuyinkimbinkimbi ngaphezulu kwezinye i-HDD. Izi HDD zisenkela izimo nezinhlobo zokuxhumana, ukunikeza ukuthi zingxile kahle kulesi sithombi esivele khona futhi zinikeze ukuthuthwa okudingeka kuleli qephu elilandelayo.

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Imithombo yeHDD yasekela inikela amathiselwe amaningi okwenza kube yimalwa kusebenzela. Okokuqala, le miyindle ikhombisa ukubaluleka ngokukhona kwezinto zasekela nezimeko ezijwayelekileyo yokuhlela ubungozi. Lokhu kuthola ukunciphisa isebenta noma izindleko eziphezulu zazo zonke kuzo zonke izinhloso. Le miyindle inemigomo engenhlahlisekileyo yokuphatha umsebenzi, ekuvumela ukuba abasebenzisi abangamaqondo nama-aplikesheni edlule njengezinhlukanono ngaphansi kokungena. Ubunjwa bokusebenza kuyinto elandelayo, ngenxa yokuthi le HDDs zamanje ethinta amanzi amancane kakhulu ngasine ya terabyte kunaleyo evela phambilini. Lokhu kuthola ukunciphisa izindleko zokusebenzela nokuthuthukiswa kwebhubesi lokugcina idatha. Le miyindle inemigomo engenhlahlisekileyo yokuphepha, eyakhiwe ngaphandle kwekhowudi yokulondoloza nezimfuneko eziphambene, ekuvumela ukuphepha idatha ephawulayo ngaphandle kokungena. Ukuhlanjelana kwabo kukhomba ukuthuthukiswa komkhawulo wendawo ebhubesi lokugcina idatha, ekuvumela ukuthi kugcinwe idatha ngaphezulu noma kunciphise indawo esetshenziswayo. Ukuvivinya okuningi kubanjwa bokusebenza kudabuka kakhulu emthombeni wasekela, futhi inkhokha engeke iphumelele ukuthula kwezikhathi ezingcono. Le miyindle namanye amagomo angenhlahlisekileyo wekhumbe idatha, ekuvumela ukuthi idatha ingatholakali ngaphandle kokuthinte isebenta. I-firmware yasekela ikhombisa ukuphatha okuhlanganisiwe nezindleko eziningi zokuxhumana ngaphansi kwezimo eziphambene. Ngokwesibonelo, le miyindle ikhomba ukusebenzela kwezinye i-RAID, ekuvumela ukuthi kugcinwe idatha ngendlela efanele nezindleko ezifanele.

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isiphediswe se-enterprise HDD

isilinda se-seva le-HDD

isata server hdd

umehluli wehDD yekhombisi

ifomu yasekhwelela ye-HDD ye-server

imikhiqizo yemfanelo yokugcina idatha

izibhokisi zokufaka i-HDD ye-seva

Uyimboniwo oluphezulu nokuthi luchasene nolungakono olunxoxwa kakhulu

I-HDD zabasebenzi zokugcinwa kwezinhlanhlayo zokuthiwa ngemisebe yokungeniswa engenakukhona yokuthola izindawo ezingcono kuzindlela zokugcinwa okunguqiniso. Lezi zinhlanhlayo zinezinhloso eziningi ezifaka futhi zilondoloza iminyango yazo, kanye nezulu, ukuphathwa kwezulu kanye nezinga lokushisa, ukabezela ukusebenza ngendlela enempilo emaphakamini amadatengcele. Isakhiwo samagetsi esikhundleni sinezimandla eziphezulu zamagetsi we-motor kanye nezinhloso zokulayisha i-head ezithunyelene ngekho ukuncipha ukugcina phansi kwayo lapho kusebenza. Lezi zinhlanhlayo ziphazamisa iphrofathi elide, kanye nezamaqemu aphakeme kakhulu kanye nezamaqemu olweni lwamanqaku wokulinganisa, ukabezela ukuthi aqinisekisi ukulingana nemigaqo eqile. Ukusebenzisa izinhloso zokushisa kwe-Rotational Vibration kanye nezinhlobo zokubaluleka ezinhle zokufa zenza ukuba kube namaphepha aphephile endaweni lezinhlwa eziningi. Lokhu kudingekayo kungeniswa kuholela ekunciphiseni izidingo zokulungisa kanye nokunciphisa izindleko ngokuphelele zokubuyisa abasebenzi.

Iintambo Zokuphepha Idatha Eziphambene

Imithombo yeHDD yaseva yesipho inqubomgomo encane encinisekileyo yokuphepha idatha ebaluleke kakhulu. Le ndawo zisebenzisa imithetho emikhulu yokuhlolwa nokulungisa amaphutha engqondweni enokuthola nokulungisa izinkinga zokusebenza kwedatha ngaphambi kokuba zingcono inkathi. Ukusebenzela kwezinhlelo zokuphatha ikhashi ezinhle kunezifiso zokuphepha idatha xa kukhishwa umoya ngendawo engaziwa. Iziphazamiso zokuphepha kuyindlela yokubaluleka okusebenzisa ukugcina idatha esibhedu ngaphandle kokuthinte isebenza. Le ndawo nazo akwenzeki izimpendulo zaseva ezithile ezivumela ukuxhumeka ngakunye nezinhlanyelwano zokuphepha idatha. Le teknoloji zokuphepha ziyajikelela ngokuhlanganisa ukuqinisekisa ukuthobekayo nokuvulelekile kwe data, okubaluleke kakhulu ukuziphatha ubunzima besipho.

Ukusebenza Okuhlelweyo kumaqhikizwano weNkampani

Imithombo yeHDD yaseva yesipho yenzelwe ngokuthuluka ukuphumelela okulinganayo ngaphansi kwezindleko eziphezulu zaseva. Imithombo inemathikhethi wecache enkulu engenziwa ngokuthuluka ukwenza amathiphu wokufinyelela idatha kubasebenzisi abaningi nangaphezulu. Ukusebenza kwemathikhethi wokuhlela izicelo esiyinhloso kungenisa inkawulo yokuhandleni izicelo zeI/O, ukunciphisa isigaba futhi ukuthuthukisa inkawulo yokuphendula kweqondo lombuso. Le mithombo ikhipha iimfanelo ezinhlosoyo zaseva njenge-queue command futhi ikhipha umsebenzi wecommand queuing, okungenisa inkawulo yokusebenza kuzindawo zasebenzisa abaningi. Okunye nokuthuthukiswa kwe firmware kuzindleko zaseva kungenisa inkawulo yokuhandla amathiphu wokufinyelela engavamile kuzindawo zaseva. Lokhu kugcineni ukuthuthukiswa kuzindleko zaseva kungenisa inkawulo yokusebenza kwezicelo futhi ukuthuthukiswa kohlelo lobasebenzisi.