{"id":30642,"date":"2019-10-31T21:36:41","date_gmt":"2019-10-31T18:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek\/"},"modified":"2019-10-31T21:36:41","modified_gmt":"2019-10-31T18:36:41","slug":"open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek","title":{"rendered":"Open Rack v3: cosa aspettarsi dal nuovo standard dell'architettura dei rack server","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h5>Trover\u00e0 applicazione nei data center iperscalabili.<\/h5>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it-grad\/blog\/446118\/\"><img decoding=\"async\" alt=\"Open Rack v3: cosa aspettarsi dal nuovo standard dell&#039;architettura dei rack server\" src=\"\/wp-content\/uploads\/2019\/03\/88df68b47e3d4d4d315047f9b38c4839.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<i>\/ \u0444\u043e\u0442\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/pierrotcarre\/4450487354\/\">Not4rthur<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/\">CC BY-SA<\/a><\/noindex><\/i><\/p>\n<h2>Perch\u00e9 \u00e8 stata aggiornata la specifica<\/h2>\n<p>\nGli ingegneri dell'Open Compute Project (OCP) <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/news\/introducing-the-open-rack\">hanno presentato la prima versione<\/a><\/noindex> dello standard nel 2013. Questa descriveva una struttura modulare e aperta per i rack dei data center larghi 21 pollici. Questo approccio ha permesso di aumentare il coefficiente di utilizzo efficace dello spazio del rack fino all'87,5%. A titolo di confronto, nei rack da 19 pollici, che sono lo standard attuale, si attesta solo al 73%.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nIn aggiunta, gli ingegneri hanno cambiato approccio alla distribuzione dell'alimentazione. La principale innovazione \u00e8 stata il bus da 12 volt, a cui si collega l'hardware. Questo ha eliminato la necessit\u00e0 di installare un proprio alimentatore per ogni server.<\/p>\n<p>Nel 2015 \u00e8 stata rilasciata <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/documents\/facebook-open-rack-v2-specification-rev-12\">la seconda versione dello standard<\/a><\/noindex>. In essa, gli sviluppatori <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zdnet.com\/article\/google-facebook-pause-rivalries-heres-their-48v-power-saving-rack-spec-for-open-compute-project\/\">sono passati<\/a><\/noindex> a un modello da 48 volt e hanno ridotto il numero di trasfomatori, riducendo cos\u00ec il consumo energetico dei rack del 30%. Grazie a queste caratteristiche, lo standard ha ottenuto ampia diffusione nell'industria IT. I rack sono stati adottati attivamente da <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/membership\/membership-organizational-directory\">utilizzare<\/a><\/noindex> grandi aziende IT, compagnie di telecomunicazioni e banche.<\/p>\n<p>Di recente, gli sviluppatori hanno presentato una nuova specifica: Open Rack v3. Secondo gli autori dell'iniziativa OCP, \u00e8 progettata per data center ad alta densit\u00e0 che elaborano dati per sistemi di IA e ML. Le soluzioni hardware implementate in essi possiedono un'alta densit\u00e0 di dissipazione del potere. Per il loro funzionamento efficiente, \u00e8 stata necessaria una nuova struttura per i rack.<\/p>\n<h2>Cosa si sa gi\u00e0 su Open Rack v3<\/h2>\n<p>\nGli sviluppatori notano che il nuovo standard sar\u00e0 pi\u00f9 flessibile e versatile rispetto al v2, portando con s\u00e9 i migliori elementi delle versioni precedenti: efficienza energetica, modularit\u00e0, compattezza. In particolare, <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=23cadcc803bba621c720b77c60e5b958\">reso noto<\/a><\/noindex>, continuer\u00e0 a utilizzare alimentatori a 48 volt.<\/p>\n<p>La struttura dei nuovi rack dovrebbe migliorare la circolazione dell'aria e la dissipazione del calore. A proposito, saranno utilizzati sistemi di raffreddamento a liquido per refrigerare le attrezzature. I membri di OCP <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/wiki\/Rack_%26_Power\/Advanced_Cooling_Solutions\">stanno gi\u00e0 lavorando<\/a><\/noindex> su diverse soluzioni in questo settore. In particolare, sono in fase di sviluppo circuiti di raffreddamento a liquido, scambiatori di calore montati sulla parete posteriore del rack e sistemi di immersione.<\/p>\n<p>Di seguito, presentiamo alcune caratteristiche fisiche dei nuovi rack:<\/p>\n<p>Formato, U<br \/>\n48 o 42<\/p>\n<p>Larghezza del rack, mm<br \/>\n600<\/p>\n<p>Profondit\u00e0 dell\u2019armadio, mm<br \/>\n1068<\/p>\n<p>Carico massimo, kg<br \/>\n1600<\/p>\n<p>Intervallo di temperatura operativa, \u00b0C<br \/>\n10\u201360<\/p>\n<p>Umidit\u00e0 operativa, %<br \/>\n85<\/p>\n<p>Tipo di raffreddamento<br \/>\nA liquido<\/p>\n<p><\/p>\n<h2>Opinioni<\/h2>\n<p>\nSviluppatori della specifica <noindex><a rel=\"nofollow\" href=\"https:\/\/code.fb.com\/data-center-engineering\/open-rack\/\">sostengono<\/a><\/noindex>, il che in prospettiva permetter\u00e0 a Open Rack v3 di ridurre i costi dei sistemi IT nei data center. In Schneider Electric <noindex><a rel=\"nofollow\" href=\"https:\/\/www.apc.com\/salestools\/VAVR-A5AJW3\/VAVR-A5AJW3_R0_EN.pdf\">hanno calcolato<\/a><\/noindex>, che la seconda versione dei racks gi\u00e0 consente di ridurre i costi di manutenzione dei server del 25%, rispetto alle strutture tradizionali. Ci sono motivi per credere che la nuova specifica migliorer\u00e0 questo indicatore.<\/p>\n<p>Tra i difetti dello standard, gli esperti <noindex><a rel=\"nofollow\" href=\"https:\/\/www.networkworld.com\/article\/3266293\/what-is-the-open-compute-project.html\">evidenziano<\/a><\/noindex> segnalano la complessit\u00e0 di adattamento dell\u2019hardware e dei macchinari alle sue esigenze. C\u2019\u00e8 la possibilit\u00e0 che i costi di riconversione dei server supereranno i potenziali benefici della loro implementazione. Per questo motivo, Open Rack \u00e8 perlopi\u00f9 orientato verso nuovi data center.<\/p>\n<p><img decoding=\"async\" alt=\"Open Rack v3: cosa aspettarsi dal nuovo standard dell&#039;architettura dei rack server\" src=\"\/wp-content\/uploads\/2019\/03\/93725656b7e369c411d5bf3c8a3b5496.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\/ \u0444\u043e\u0442\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/timdorr\/158333036\">Tim Dorr<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/\">CC BY-SA<\/a><\/noindex><\/i><\/p>\n<p>Ulteriori svantaggi <noindex><a rel=\"nofollow\" href=\"https:\/\/www.racksolutions.com\/news\/data-center-optimization\/open-frame-rack-vs-enclosed-rack\/\">includono<\/a><\/noindex> le peculiarit\u00e0 della struttura della soluzione. L\u2019architettura degli armadi aperti non prevede protezione dalla polvere. Inoltre, aumenta il rischio di danneggiare l\u2019attrezzatura o i cavi.<\/p>\n<h2>Progetti simili<\/h2>\n<p>\nA marzo \u00e8 stata pubblicata un\u2019altra specifica per racks \u2014 <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=dc0d26d541c0e19aeb2f9a1cb7580dd0\">Open19 System Level<\/a><\/noindex> (per visualizzare le specifiche \u00e8 necessario scaricare il file PDF). Il documento \u00e8 stato sviluppato dalla Open19 Foundation, attiva dal 2017 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.theregister.co.uk\/2017\/05\/24\/open19_foundation_launch\/\">cercano<\/a><\/noindex> di standardizzare gli approcci nella costruzione dei data center. Maggiori dettagli su questa organizzazione sono stati forniti nel <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/329392\/\">nostro post<\/a><\/noindex>.<\/p>\n<p>Lo standard Open19 System Level descrive un fattore di forma universale per rack e stabilisce i requisiti per la struttura delle reti e il consumo energetico. Il team Open19 propone l'uso di cosiddetti brick cages. Questi sono moduli con pi\u00f9 chassis, nei quali \u00e8 possibile collocare l'hardware necessario \u2013 server o sistemi di archiviazione \u2013 in combinazioni arbitrarie. La costruzione include anche rack di alimentazione, switch, switch di rete e un sistema di gestione dei cavi.<\/p>\n<p>Per il raffreddamento si utilizza un sistema di raffreddamento a <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/416333\/\">liquido ad immersione<\/a><\/noindex> direct-to-chip basato su acqua secca. Gli autori del concetto <noindex><a rel=\"nofollow\" href=\"https:\/\/www.datacenterknowledge.com\/edge-computing\/data-center-world-why-open19-designs-matter-edge-computing\">sottolineano<\/a><\/noindex>, affermano che l'architettura Open19 aumenta l'efficienza energetica complessiva dei data center del 10%.<\/p>\n<p>Gli esperti del settore IT ritengono che in futuro progetti come Open19 e Open Rack consentiranno di costruire pi\u00f9 rapidamente data center flessibili per lavorare con soluzioni IoT, favorendo lo sviluppo delle tecnologie 5G e dell'edge computing.<\/p>\n<p>\nPost dal nostro canale Telegram:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/200\">Perch\u00e9 i dischi rigidi si rompono meno frequentemente<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/201\">Come gestire l'hardware in un data center \u2014 due nuove tecnologie<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/187\">L'architettura IT del futuro \u2014 chi e come si sta preparando<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/205\">Come ospitare il 100% dell'infrastruttura nel cloud: il caso del cliente aziendale IT-GRAD<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/204\">Perch\u00e9 le aziende utilizzano macchine virtuali anzich\u00e9 container<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/203\">Perch\u00e9 non \u00e8 possibile implementare semplicemente tecnologie \u00abgreen\u00bb nei data center<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/202\">Chi supporta i progetti cloud\u2014parliamo di quattro fondazioni open source<\/a><\/noindex><\/li>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it-grad\/blog\/446118\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043d \u043d\u0430\u0439\u0434\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0433\u0438\u043f\u0435\u0440\u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0426\u041e\u0414. \/ \u0444\u043e\u0442\u043e Not4rthur CC BY-SA \u0417\u0430\u0447\u0435\u043c \u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 Open Compute Project (\u041e\u0421\u0420) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043f\u0435\u0440\u0432\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 \u0435\u0449\u0435 \u0432 2013 \u0433\u043e\u0434\u0443. \u041e\u043d \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u043b \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0443\u044e \u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044e \u0441\u0442\u043e\u0435\u043a \u0434\u043b\u044f \u0426\u041e\u0414 \u0448\u0438\u0440\u0438\u043d\u043e\u0439 \u0432 21 \u0434\u044e\u0439\u043c. \u0422\u0430\u043a\u043e\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0441\u0442\u043e\u0439\u043a\u0438 \u0434\u043e 87,5%. \u0414\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, \u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043d \u043d\u0430\u0439\u0434\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0433\u0438\u043f\u0435\u0440\u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0426\u041e\u0414. \/ \u0444\u043e\u0442\u043e Not4rthur CC BY-SA \u0417\u0430\u0447\u0435\u043c \u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e 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\u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0430 \u0441\u0442\u043e\u0439\u043a\u0438 \u0434\u043e 87,5%. \u0414\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, \u0443\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T18:36:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T18:36:41+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Open Rack v3: cosa aspettarsi dal nuovo standard di architettura per rack server | ProHoster","description":"Trover\u00e0 applicazione nei data center ipermoderni. \/ foto Not4rthur CC BY-SA Perch\u00e9 \u00e8 stata aggiornata la specifica Gli ingegneri di Open Compute Project (OCP) hanno presentato la prima versione dello standard nel 2013. Essa descriveva una struttura modulare e aperta per i rack dei data center larghi 21 pollici. Questo approccio ha permesso di aumentare il coefficienti di spazio utilizzato in modo efficiente fino all'87,5%. A titolo di confronto, in","canonical_url":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Open Rack v3: \u0447\u0442\u043e \u0436\u0434\u0430\u0442\u044c \u043e\u0442 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u0441\u0442\u043e\u0435\u043a | 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