{"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\/it-it\/blog\/what-are-the-raid-5-requirements\/","title":{"rendered":"Quali sono i requisiti per 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;\">Cosa fare se sei una piccola o media impresa \u2014 o anche un libero professionista o consulente \u2014 e non puoi permetterti di investire in server ad alta capacit\u00e0? Hai comunque bisogno di dischi veloci in lettura e scrittura, con ampio spazio di archiviazione, ma il costo \u00e8 proibitivo! A seconda delle esigenze, la risposta potrebbe essere un RAID 5. Ma quali sono i requisiti per RAID 5?<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Che cos\u2019\u00e8 un RAID?<\/span><\/h2>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Le soluzioni di archiviazione che utilizzano una matrice ridondante di dischi indipendenti (RAID) sono un ottimo modo per massimizzare le prestazioni di pi\u00f9 hard disk. <\/span><a href=\"https:\/\/drivesaversdatarecovery.com\/it-it\/raid-comparison\/\" target=\"_self\"><span style=\"font-weight: 400\">Come abbiamo gi\u00e0 discusso<\/span><\/a><span style=\"font-weight: 400\">, le configurazioni RAID sfruttano la potenza di software <\/span><i><span style=\"font-weight: 400\">e<\/span><\/i><span style=\"font-weight: 400\"> hardware affinch\u00e9 un gruppo di dischi possa lavorare insieme. Il risultato \u00e8 un sistema di archiviazione dati economico e ad alte prestazioni.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le varie configurazioni RAID hanno ciascuna i propri vantaggi, svantaggi e requisiti. Oggi parleremo del RAID 5, perch\u00e9 \u00e8 una scelta molto diffusa e relativamente facile da implementare. Il RAID 5 garantisce tempi di lettura estremamente rapidi e, in caso di guasto a un disco, \u00e8 possibile recuperare i dati. Questo \u00e8 possibile perch\u00e9 i dati vengono suddivisi in piccoli frammenti e distribuiti tra i dischi collegati. Questo metodo si chiama parit\u00e0.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ovviamente, ci sono alcune cose da sapere prima di organizzare i dischi rigidi in una configurazione RAID 5. Ogni array ha condizioni specifiche per funzionare correttamente, e il RAID 5 non fa eccezione. Quindi, cosa devi sapere prima di configurare il tuo RAID 5?<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">I 4 requisiti del RAID 5 che dovresti conoscere<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Requisito RAID 5 n. 1: Il giusto numero di dischi<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Quanti dischi fisici sono necessari per implementare un RAID 5? Con una configurazione RAID 5 \u00e8 possibile collegare da tre a sedici dischi, ma il numero pi\u00f9 comune \u00e8 quattro dischi rigidi.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Anche se il numero minimo di dischi per RAID 5 \u00e8 tre, la maggior parte degli utenti sceglie quattro dischi per ottenere migliori prestazioni, tolleranza agli errori e capacit\u00e0 di archiviazione. \u00c8 un po\u2019 controintuitivo, ma pi\u00f9 dischi vengono collegati all\u2019array, pi\u00f9 le velocit\u00e0 di lettura e scrittura diminuiscono. Inoltre, pi\u00f9 dischi aggiungi, pi\u00f9 complesso sar\u00e0 il recupero dei dati in caso di guasto.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Allo stesso tempo, meno dischi vengono collegati all\u2019array, maggiore \u00e8 la perdita di capacit\u00e0 di archiviazione. Ad esempio, con tre hard disk la capacit\u00e0 disponibile si riduce del 33\u202f%. Se colleghi tre dischi da 1 TB ciascuno (capacit\u00e0 totale 3 TB) in una configurazione RAID 5, avrai solo 2 TB di spazio utilizzabile.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Anche se utilizzi pi\u00f9 dischi rispetto al minimo richiesto per RAID 5, c\u2019\u00e8 comunque una perdita di spazio, anche se meno significativa. Le configurazioni RAID 5 perdono sempre la capacit\u00e0 di uno dei dischi collegati, indipendentemente dal numero totale. La chiave \u00e8 trovare un equilibrio tra esigenze di archiviazione, aspettative di prestazioni e tolleranza al rischio.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Requisito RAID 5 n. 2: La giusta capacit\u00e0 di archiviazione<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Una parte fondamentale nel determinare quanti dischi utilizzare in una configurazione RAID 5 \u00e8 considerare la capacit\u00e0 di archiviazione complessiva. In questo tipo di array, non importa se ci sono tre o sedici dischi collegati: devono tutti avere la stessa capacit\u00e0 di archiviazione.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Perch\u00e9? Perch\u00e9 se i dischi rigidi collegati non hanno la stessa capacit\u00e0, il sistema li far\u00e0 operare come se avessero tutti la capienza del disco pi\u00f9 piccolo. Sprecare spazio di archiviazione prezioso \u00e8 un vero no-no e va evitato a tutti i costi!<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Requisito RAID 5 n. 3: Un controller hardware dedicato<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Alcune configurazioni RAID si affidano a software per la gestione e la manutenzione dei sistemi. Altre usano soluzioni hardware per garantirne il corretto funzionamento. Nel caso del RAID 5, \u00e8 fortemente consigliato l\u2019uso di un controller hardware.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">I controller hardware RAID 5 sono chip fisici veri e propri, installati sulla scheda madre o come schede di espansione autonome. Sono utili perch\u00e9 possono calcolare i dati di parit\u00e0 prima di scrivere i dati su tutti i dischi. I controller gestiscono lo spazio fisico di ciascun disco e ottimizzano le prestazioni della configurazione offrendo una cache disco aggiuntiva.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Requisito RAID 5 n. 4: Tolleranza agli errori<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Prima di configurare il tuo array RAID, \u00e8 importante considerare la tolleranza agli errori. Il RAID 5 offre una buona tolleranza, poich\u00e9 il sistema \u00e8 progettato per funzionare anche in caso di guasto di un disco. E, se dovessi perdere dei dati, sar\u00e0 possibile ricostruirli utilizzando le informazioni presenti negli altri dischi grazie alla parit\u00e0.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Capire questo requisito del RAID\u202f5 \u00e8 fondamentale perch\u00e9, a differenza di altre configurazioni RAID, un sistema RAID\u202f5 pu\u00f2 tollerare la perdita di un solo disco. Se pi\u00f9 dischi si guastano contemporaneamente, le possibilit\u00e0 di <a href=\"\/it-it\/data-recovery-services\/devices-supported\/raid-nas-san\/raid-data-recovery\/\" target=\"_self\">recupero dati<\/a> diminuiscono drasticamente. Inoltre, il processo di recupero diventa pi\u00f9 complesso e richiede pi\u00f9 tempo con ogni disco aggiuntivo inserito nell\u2019array.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Scegliere il numero giusto di dischi per la configurazione RAID\u202f5 \u00e8 molto importante perch\u00e9 questo numero <\/span><i><span style=\"font-weight: 400\">influisce direttamente <\/span><\/i><span style=\"font-weight: 400\">sulla tolleranza agli errori.<\/span><\/p>\n<p class=\"translation-block\"><span style=\"font-weight: 400\">Se ti trovi ad affrontare un RAID\u202f5 guasto o problemi con qualsiasi altra configurazione RAID, possiamo aiutarti a stabilire se i tuoi dati sono recuperabili. <\/span><a href=\"\/it-it\/\" target=\"_self\"><span style=\"font-weight: 400\">Se il tuo array RAID fallisce, contatta DriveSavers subito!<\/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. But there are specific conditions for each RAID type. Here are four RAID 5 requirements you need to know.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/drivesaversdatarecovery.com\/it-it\/blog\/what-are-the-raid-5-requirements\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the RAID 5 Requirements?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drivesaversdatarecovery.com\/it-it\/blog\/what-are-the-raid-5-requirements\/\" \/>\n<meta property=\"og:site_name\" content=\"DriveSavers Data Recovery Services\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DriveSavers\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-12T22:47:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T13:45:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2021\/03\/RIAD_5.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"627\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mike Cobb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:site\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mike Cobb\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/\"},\"author\":{\"name\":\"Mike Cobb\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#\\\/schema\\\/person\\\/71a038c3b180b1f2df821d2b015b8ee6\"},\"headline\":\"What are the RAID 5 Requirements?\",\"datePublished\":\"2021-03-12T22:47:58+00:00\",\"dateModified\":\"2026-02-25T13:45:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/\"},\"wordCount\":849,\"publisher\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/RIAD_5.jpg\",\"keywords\":[\"RAID\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/\",\"url\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/\",\"name\":\"What are the RAID 5 Requirements?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-are-the-raid-5-requirements\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/RIAD_5.jpg\",\"datePublished\":\"2021-03-12T22:47:58+00:00\",\"dateModified\":\"2026-02-25T13:45:56+00:00\",\"description\":\"A RAID array is a great way to maximize several hard drives\u2019 performance and storage. 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Ecco quattro requisiti del RAID 5 che devi conoscere.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/drivesaversdatarecovery.com\/it-it\/blog\/what-are-the-raid-5-requirements\/","og_locale":"it_IT","og_type":"article","og_title":"What are the RAID 5 Requirements?","og_url":"https:\/\/drivesaversdatarecovery.com\/it-it\/blog\/what-are-the-raid-5-requirements\/","og_site_name":"DriveSavers Data Recovery Services","article_publisher":"https:\/\/www.facebook.com\/DriveSavers","article_published_time":"2021-03-12T22:47:58+00:00","article_modified_time":"2026-02-25T13:45:56+00:00","og_image":[{"width":1200,"height":627,"url":"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2021\/03\/RIAD_5.jpg","type":"image\/jpeg"}],"author":"Mike Cobb","twitter_card":"summary_large_image","twitter_creator":"@drivesavers","twitter_site":"@drivesavers","twitter_misc":{"Scritto da":"Mike Cobb","Tempo di lettura stimato":"4 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/#article","isPartOf":{"@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/"},"author":{"name":"Mike Cobb","@id":"https:\/\/drivesaversdatarecovery.com\/#\/schema\/person\/71a038c3b180b1f2df821d2b015b8ee6"},"headline":"What are the RAID 5 Requirements?","datePublished":"2021-03-12T22:47:58+00:00","dateModified":"2026-02-25T13:45:56+00:00","mainEntityOfPage":{"@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/"},"wordCount":849,"publisher":{"@id":"https:\/\/drivesaversdatarecovery.com\/#organization"},"image":{"@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/#primaryimage"},"thumbnailUrl":"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2021\/03\/RIAD_5.jpg","keywords":["RAID"],"articleSection":["Blog"],"inLanguage":"it-IT"},{"@type":"WebPage","@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/","url":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/","name":"Quali sono i requisiti per RAID 5?","isPartOf":{"@id":"https:\/\/drivesaversdatarecovery.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/#primaryimage"},"image":{"@id":"https:\/\/drivesaversdatarecovery.com\/blog\/what-are-the-raid-5-requirements\/#primaryimage"},"thumbnailUrl":"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2021\/03\/RIAD_5.jpg","datePublished":"2021-03-12T22:47:58+00:00","dateModified":"2026-02-25T13:45:56+00:00","description":"Un array RAID \u00e8 un ottimo modo per massimizzare le prestazioni e l\u2019archiviazione dei dati di pi\u00f9 dischi rigidi. Tuttavia, ogni tipo di RAID prevede condizioni specifiche. 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