{"id":56966,"date":"2021-03-12T14:47:58","date_gmt":"2021-03-12T22:47:58","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=56966"},"modified":"2026-02-25T05:45:56","modified_gmt":"2026-02-25T13:45:56","slug":"what-are-the-raid-5-requirements","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/nb-no\/blog\/what-are-the-raid-5-requirements\/","title":{"rendered":"Hva kreves for RAID 5?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><span style=\"font-weight: 400;\">Hva gj\u00f8r du hvis du er en liten eller mellomstor bedrift \u2013 eller til og med en frilanser eller konsulent \u2013 og ikke har r\u00e5d til \u00e5 investere i servere med h\u00f8y kapasitet? Du trenger fortsatt disker med raske lese- og skrivehastigheter og god lagringsplass, men kostnaden er for h\u00f8y! Avhengig av behovene dine kan RAID 5 v\u00e6re svaret. Men hva kreves for RAID 5?<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Hva er RAID?<\/span><\/h2>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Lagringsl\u00f8sninger med Redundant Array of Independent Disks (RAID) er en utmerket m\u00e5te \u00e5 maksimere ytelsen til flere harddisker p\u00e5. <\/span><a href=\"https:\/\/drivesaversdatarecovery.com\/nb-no\/raid-comparison\/\" target=\"_self\"><span style=\"font-weight: 400\">Som vi har diskutert tidligere<\/span><\/a><span style=\"font-weight: 400\">, bruker RAID-oppsett kraften i b\u00e5de programvare <\/span><i><span style=\"font-weight: 400\">og<\/span><\/i><span style=\"font-weight: 400\"> maskinvare slik at flere disker kan arbeide sammen. Resultatet er et rimelig og h\u00f8ytytende datalagringssystem.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ulike typer RAID-konfigurasjoner har sine egne fordeler, ulemper og krav. I dag skal vi se n\u00e6rmere p\u00e5 RAID 5, fordi det er et popul\u00e6rt valg og relativt enkelt \u00e5 implementere. RAID 5 gir lynraske lesetider, og hvis \u00e9n disk feiler, er det mulig \u00e5 gjenopprette data. Dette er fordi dataene deles opp i sm\u00e5 biter og fordeles mellom de tilkoblede diskene. Denne metoden kalles paritet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selvf\u00f8lgelig er det noen ting du b\u00f8r vite f\u00f8r du setter opp harddiskene dine i en RAID 5-konfigurasjon. Hver type array har spesifikke krav for \u00e5 fungere godt, og RAID 5 er intet unntak. S\u00e5 hva b\u00f8r du vite f\u00f8r du konfigurerer RAID 5?<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">De 4 RAID 5-kravene du b\u00f8r kjenne til<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">RAID 5-krav #1: Riktig antall disker<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Hvor mange fysiske disker kreves for \u00e5 implementere RAID 5? I en RAID 5-konfigurasjon kan du koble til tre til seksten disker, men det vanligste er \u00e5 bruke fire harddisker.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selv om minimumsantallet disker for RAID 5 er tre, velger de fleste brukere fire disker p\u00e5 grunn av hastighet, feiltoleranse og lagringskapasitet. Det h\u00f8res kanskje ulogisk ut, men jo flere harddisker du kobler til arrayet, desto lavere blir lese- og skrivehastighetene. Og jo flere disker du legger til, desto mer komplisert blir datagjenoppretting hvis \u00e9n av dem feiler.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Samtidig, jo f\u00e6rre disker som er koblet til arrayet, desto mer lagringskapasitet g\u00e5r tapt. For eksempel reduseres tilgjengelig kapasitet med 33\u202f% n\u00e5r du bruker tre harddisker. S\u00e5 hvis du kobler til tre 1\u202fTB-disker (totalt 3\u202fTB) i en RAID 5-konfigurasjon, f\u00e5r du kun 2\u202fTB brukbar lagringsplass.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Det er fortsatt noe lagringstap selv om du bruker flere disker enn minimumskravet for RAID 5, men reduksjonen er ikke like stor. RAID 5-konfigurasjoner mister alltid lagringskapasiteten tilsvarende \u00e9n disk, uansett hvor mange som er koblet til. Trikset er \u00e5 finne balansen mellom lagringsbehov, ytelsesforventninger og risikotoleranse.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">RAID 5-krav #2: Riktig lagringskapasitet<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">En viktig del av \u00e5 avgj\u00f8re hvor mange disker du skal bruke i en RAID 5-konfigurasjon er \u00e5 vurdere den totale lagringskapasiteten. I denne typen array spiller det ingen rolle om du kobler til tre eller seksten disker \u2013 de m\u00e5 alle ha samme lagringskapasitet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hvorfor? Fordi hvis de tilkoblede harddiskene ikke har identisk lagringskapasitet, vil de fungere som om de har kapasiteten til den minste disken. \u00c5 kaste bort verdifull lagringsplass er et stort nei\u2013nei og b\u00f8r unng\u00e5s for enhver pris!<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">RAID 5-krav #3: En dedikert maskinvarekontroller<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Noen RAID-konfigurasjoner er avhengige av programvare for \u00e5 administrere og vedlikeholde systemene sine. Andre bruker maskinvarebaserte l\u00f8sninger for \u00e5 sikre korrekt funksjon. For RAID 5 anbefales det sterkt \u00e5 bruke en dedikert maskinvarekontroller.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RAID 5-maskinvarekontrollere er fysiske brikker som enten monteres p\u00e5 hovedkortet eller kommer som separate utvidelseskort. De er nyttige fordi de kan beregne paritetsdata f\u00f8r de skriver dataene til alle diskene. Kontrollerne administrerer den fysiske plassen p\u00e5 hver disk og optimaliserer ytelsen ved \u00e5 tilby ekstra diskbuffer.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">RAID 5-krav #4: Feiltoleranse<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Du b\u00f8r absolutt vurdere feiltoleranse f\u00f8r du setter opp RAID-arrayen din. RAID 5 har faktisk god feiltoleranse fordi systemet er designet for \u00e5 fortsette \u00e5 fungere selv n\u00e5r en disk feiler. Og hvis du mister data, kan de gjenopprettes ved hjelp av informasjonen fra de andre diskene gjennom paritet.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">\u00c5 forst\u00e5 dette RAID\u202f5-kravet er avgj\u00f8rende, siden RAID\u202f5-systemer, i motsetning til andre RAID-konfigurasjoner, bare kan t\u00e5le tap av \u00e9n disk. Dersom flere disker svikter samtidig, er sjansene for <a href=\"\/nb-no\/data-recovery-services\/devices-supported\/raid-nas-san\/raid-data-recovery\/\" target=\"_self\">datagjenoppretting<\/a> mye lavere. Gjenoppretting blir ogs\u00e5 mer komplisert og tidkrevende for hver disk du legger til i arrayen.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">\u00c5 velge riktig antall disker for RAID\u202f5-oppsettet ditt er viktig fordi antallet <\/span><i><span style=\"font-weight: 400\">p\u00e5virker direkte <\/span><\/i><span style=\"font-weight: 400\">feiltoleransen.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Hvis du st\u00e5r overfor et mislykket RAID\u202f5 eller har problemer med en annen RAID-konfigurasjon, kan vi hjelpe deg med \u00e5 avgj\u00f8re om dataene dine kan gjenopprettes. <\/span><a href=\"\/nb-no\/\" target=\"_self\"><span style=\"font-weight: 400\">Hvis RAID-arrayet feiler, kontakt DriveSavers umiddelbart!<\/span><\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"What do you do if you\u2019re a small to medium-sized business\u2014or even a freelancer or consultant\u2014 who can\u2019t afford the capital investment to buy high-capacity servers? You still need your drives to deliver fast read and write speeds with ample storage space, but the cost is so prohibitive! Depending on your needs, the answer might&hellip;","protected":false},"author":25,"featured_media":60243,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"footnotes":""},"categories":[264],"tags":[314],"post_series":[],"class_list":["post-56966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-raid","entry","has-media"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What are the RAID 5 Requirements?<\/title>\n<meta name=\"description\" content=\"A RAID array is a great way to maximize several hard drives\u2019 performance and storage. 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