Yikuphi okuyiyona eyiyo yokusebenza kwe-Server, futhi kungani kufanele uyisebenzise?
Ukwenza umsebenzi we-server kungumqondo wokuthatha iseva yangempela futhi, ngosizo lwesofthiwe ye-virtualization, ukwahlukanisa iseva, noma ukuhlukanisa, ukuze kubonakale njengamavava "amancane", okuyilowo nalowo angasebenzisa ikhophi yayo yesistimu yokusebenza .
Ngale ndlela, kunokuba yonke iseva inikezelwe into eyodwa, ingasetshenziswa ngezindlela eziningana ezahlukene.
Izinzuzo ze-Virtualization Server
Igcina imali ngezindleko ze-IT. Uma uhlukanisa iseva eyodwa engokwenyama kwimishini eminingi ebonakalayo, ungahambisa, usebenze uphinde uphathe izimo eziningi zokusebenza ngesikhathi esisodwa kuleyo seva yomzimba oyedwa. Amaseva angokwenyama ambalwa asho ukuthi imali encane isetshenziswe kulawo maseva.
Iyanciphisa inani lamaseva womzimba inkampani kumele ibe nayo endaweni yayo. Kungakhathaliseki ukuthi usayizi wenkampani, kuhlale kuwumqondo omuhle ukusindisa isikhala.
Ukunciphisa amandla okusetshenziswa kwamandla ngoba kunamaseva angaphansi amancane adla amandla. Lokhu kubaluleke kakhulu, kunikezwe umkhuba wokuhlela nokuhlelwa kwe-T IT eluhlaza.
Idala izindawo ezizimele zomsebenzisi. Ukugcina konke okuhlukile kuyasiza ikakhulukazi ngezinjongo ezifana nokuhlolwa kwesofthiwe (ngakho-ke abahlelo bangasebenzisa izinhlelo zokusebenza kuseva elilodwa elibonakalayo ngaphandle kokuthinta abanye).
Nikeza ukusingathwa kwewebhu okungabizi. Lapho inqwaba yamaseva ingafanelwa kukhompyutha efanayo, ukunikezwa kwamaseva kwanda ngenxa yezindleko ezingeziwe.
Izinhlobo ze-Virtualization Server
Kunezinhlobo ezintathu ezihlukene zesistimu ye-server:
Imodeli yemishini eyi-Virtual (noma "i-virtualization ephelele"): Ngokusekelwe kwiphakamiso yesigidi / isivakashi, sebenzisa uhlobo olukhethekile lwe-software ebizwa ngokuthi i-hypervisor. Abaphathi bangadala izivakashi ngezinhlelo zokusebenza ezihlukene.
Umshini we-Paravirtual (PVM): okufana nokusebenza okuphelele, futhi kusekelwe kumbukiso wesithameli / isivakashi. Iphinde isebenze ama-OSes amaningi.
I-OS-level: ayisekelwe kwisiphakamiso somngameli / isivakashi. Izivakashi kumele zisebenzise i-OS efanayo nomqondisi / umphathi, futhi izingxenye zihlukaniswe ngokuphelele komunye nomunye (ngakho izinkinga zingenakuthinta abanye).
Imisebenzi e-Virtualization
Ezinye izikhundla ezihlobene nesistimu-ye-virtualization ongase uhlangabezane nazo kumawebhusayithi wokuqashwa zingabandakanya:
i-virtualization engineer
umakhi we-virtualization
iseva ye-virtualization system administrator
i-cloud virtualization engineer
Abadlali abakhulu ku-Virtual Virtual Arena:
VMWare
I-Citrix;
I-Red Hat.
Ikusasa le-Virtualization Virtual
Qonda ukuthi i- virtualisation ngokwayo ayiyona umqondo wenkaba. (Ososayensi bekhompyutha bekwenzela "ama-supercomputers" amashumi eminyaka.) Noma kunjalo, i-virtualization yevava yenziwe kuphela ngasekupheleni kweminyaka engu-90.
Kwasithatha isikhashana ukuqhubeka, kodwa eminyakeni edlule ikakhulukazi, ukukhula kwesimo se-server sekuqhubekile. Izinkampani zaqaphela ukuthi zichitha izinsiza, futhi ubuchwepheshe bekhono lobuchwepheshe bamukeleke kakhulu njengendlela yokuhlanganisa imisebenzi yabo yezobuchwepheshe. Lezi zinsuku, ukuqinisekiswa kwe-server kungaphezulu kwemfuneko eyisisekelo kunomqondo ophambili.
Ngalokho engqondweni, ukugxilwa kweseva yokwenza umsebenzi njengendlela yokuhamba emsebenzini kungase kungakubekeli ekudingeni kakhulu (nakuba kuqhubeka ukuguquka). Kodwa-ke, ukujwayela ukwenza i-virtualization kungakubeka konke okuzayo. NgokukaDathaCenterKnowledge, lokho kungahle kubonakale njengomsebenzi nokulethwa kwesicelo, ukusekelwa kwenethiwekhi, ukusebenza komsebenzisi, nokuningi.
Qaphela: izibuyekezo zenziwe kusukela kulesi sihloko nguLaurence Bradford.