{"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\/sv\/blog\/administrirovanie\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek","title":{"rendered":"Open Rack v3: vad man kan f\u00f6rv\u00e4nta sig av den nya standarden f\u00f6r serverrackarkitektur","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h5>Den kommer att anv\u00e4ndas i hyperskaliga datacenter.<\/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: vad man kan f\u00f6rv\u00e4nta sig av den nya standarden f\u00f6r serverrackarkitektur\" 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>Varf\u00f6r uppdaterades specifikationen<\/h2>\n<p>\nIngenj\u00f6rer fr\u00e5n Open Compute Project (OCP) <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/news\/introducing-the-open-rack\">presenterade den f\u00f6rsta versionen<\/a><\/noindex> av standarden redan 2013. Den beskrev en modul\u00e4r och \u00f6ppen konstruktion av rack f\u00f6r datacenter som \u00e4r 21 tum breda. Denna metod gjorde det m\u00f6jligt att \u00f6ka rackets utrymmeseffektivitet till 87,5%. J\u00e4mf\u00f6r detta med 19-tums racks, som \u00e4r standard idag, d\u00e4r den endast \u00e4r 73%.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDessutom \u00e4ndrade ingenj\u00f6rerna tillv\u00e4gag\u00e5ngss\u00e4ttet f\u00f6r kraftdistribution. Den st\u00f6rsta innovationen var en 12-volts bus som utrustningen ansluts till. Detta eliminerade behovet av att installera en egen str\u00f6mf\u00f6rs\u00f6rjning f\u00f6r varje server.<\/p>\n<p>\u00c5r 2015 lanserades <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/documents\/facebook-open-rack-v2-specification-rev-12\">den andra versionen av standarden<\/a><\/noindex>. I denna gick <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\/\">utvecklarna<\/a><\/noindex> \u00f6ver till en 48-volts modell och minskade antalet transformatorer, vilket reducerade energif\u00f6rbrukningen f\u00f6r racken med 30%. Tack vare dessa egenskaper fick standarden stor spridning inom IT-branschen. Racks b\u00f6rjade aktivt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/membership\/membership-organizational-directory\">anv\u00e4nda<\/a><\/noindex> anv\u00e4ndas av stora IT-korporationer, telekommunikationsf\u00f6retag och banker.<\/p>\n<p>Nyligen presenterade utvecklarna en ny specifikation \u2014 Open Rack v3. Enligt initiativtagarna fr\u00e5n OCP utvecklas den f\u00f6r kraftigt belastade datacenter som hanterar data f\u00f6r AI- och ML-system. De h\u00e5rdvarul\u00f6sningar som implementeras i dem har h\u00f6g densitet av avge str\u00f6m. F\u00f6r att de ska fungera effektivt kr\u00e4vdes en ny rackkonstruktion.<\/p>\n<h2>Vad \u00e4r redan k\u00e4nt om Open Rack v3<\/h2>\n<p>\nUtvecklarna p\u00e5pekar att den nya standarden kommer att vara mer flexibel och universell \u00e4n v2, samt att den kommer att ta med allt det b\u00e4sta fr\u00e5n tidigare versioner \u2014 energieffektivitet, modul\u00e4r design, kompakthet. Bland annat <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=23cadcc803bba621c720b77c60e5b958\">har varit k\u00e4nt<\/a><\/noindex>, att den forts\u00e4tter att anv\u00e4nda 48-volts str\u00f6mk\u00e4llor.<\/p>\n<p>Konstruktionen av de nya racken b\u00f6r f\u00f6rb\u00e4ttra luftcirkulationen och v\u00e4rmeavledningen. F\u00f6r att kyla utrustningen kommer v\u00e4tskebaserade system att anv\u00e4ndas. Medlemmar av OCP <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/wiki\/Rack_%26_Power\/Advanced_Cooling_Solutions\">arbetar redan<\/a><\/noindex> med flera l\u00f6sningar inom detta omr\u00e5de. Bland annat utvecklas v\u00e4tskekontaktlinjer, v\u00e4rmev\u00e4xlare som kan monteras p\u00e5 rackets baksida, och immersionssystem.<\/p>\n<p>Nedan f\u00f6ljer n\u00e5gra fysiska parametrar f\u00f6r de nya racken:<\/p>\n<p>Formfaktor, U<br \/>\n48 eller 42<\/p>\n<p>Rackbredd, mm<br \/>\n600<\/p>\n<p>Rackdjup, mm<br \/>\n1068<\/p>\n<p>Maximal belastning, kg<br \/>\n1600<\/p>\n<p>Arbetstemperaturspann, \u00b0C<br \/>\n10\u201360<\/p>\n<p>Arbetsfuktighet, %<br \/>\n85<\/p>\n<p>Kyltyp<br \/>\nV\u00e4tskekyld<\/p>\n<p><\/p>\n<h2>\u00c5sikter<\/h2>\n<p>\nUtvecklarna av specifikationen <noindex><a rel=\"nofollow\" href=\"https:\/\/code.fb.com\/data-center-engineering\/open-rack\/\">h\u00e4vdar<\/a><\/noindex>, vilket i framtiden med Open Rack v3 kommer att kunna s\u00e4nka kostnaderna f\u00f6r IT-system i datacenter. P\u00e5 Schneider Electric <noindex><a rel=\"nofollow\" href=\"https:\/\/www.apc.com\/salestools\/VAVR-A5AJW3\/VAVR-A5AJW3_R0_EN.pdf\">har man ber\u00e4knat<\/a><\/noindex>, att den andra versionen av stativen redan m\u00f6jligg\u00f6r en minskning av serverunderh\u00e5llskostnaderna med 25% j\u00e4mf\u00f6rt med traditionella konstruktioner. Det finns sk\u00e4l att tro att den nya specifikationen kommer att f\u00f6rb\u00e4ttra denna siffra.<\/p>\n<p>Bland nackdelarna med standarden framh\u00e4ver experterna <noindex><a rel=\"nofollow\" href=\"https:\/\/www.networkworld.com\/article\/3266293\/what-is-the-open-compute-project.html\">komplexiteten i att anpassa utrustning och maskinhallar till dess krav. Det finns en risk f\u00f6r att kostnaden f\u00f6r ombyggnad av servrarna kommer att \u00f6verstiga de potentiella vinsterna fr\u00e5n deras implementering. Av den anledningen \u00e4r Open Rack i stor utstr\u00e4ckning inriktat p\u00e5 nya datacenter.<\/a><\/noindex> Tim Dorr<\/p>\n<p><img decoding=\"async\" alt=\"Open Rack v3: vad man kan f\u00f6rv\u00e4nta sig av den nya standarden f\u00f6r serverrackarkitektur\" 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\">Ytterligare nackdelar<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/\">CC BY-SA<\/a><\/noindex><\/i><\/p>\n<p>omfattar <noindex><a rel=\"nofollow\" href=\"https:\/\/www.racksolutions.com\/news\/data-center-optimization\/open-frame-rack-vs-enclosed-rack\/\">egenskaperna hos l\u00f6sningens konstruktion. Arkitekturen f\u00f6r de \u00f6ppna stativen f\u00f6ruts\u00e4tter inte skydd mot damm. Dessutom \u00f6kar risken f\u00f6r att skada utrustning eller kablar.<\/a><\/noindex> Relaterade projekt<\/p>\n<h2>I mars sl\u00e4pptes ytterligare en specifikation f\u00f6r stativ \u2014<\/h2>\n<p>\nOpen19 System Level <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=dc0d26d541c0e19aeb2f9a1cb7580dd0\">(f\u00f6r att se specifikationen m\u00e5ste du ladda ner PDF-filen). Dokumentet har utvecklats av Open19 Foundation, som sedan 2017<\/a><\/noindex> har standardiserat metoder f\u00f6r att bygga datacenter. Mer om denna organisation har vi ber\u00e4ttat i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.theregister.co.uk\/2017\/05\/24\/open19_foundation_launch\/\">f\u00f6rs\u00f6kts<\/a><\/noindex> ett av v\u00e5ra inl\u00e4gg <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/329392\/\">Standarden Open19 System Level beskriver en universell formfaktor f\u00f6r stativ och etablerar krav p\u00e5 n\u00e4tverksstruktur och energif\u00f6rbrukning. Open19-teamet f\u00f6resl\u00e5r att anv\u00e4nda s\u00e5 kallade blockburar (brick cages). De best\u00e5r av moduler med flera chassin d\u00e4r den n\u00f6dv\u00e4ndiga h\u00e5rdvaran \u2014 servrar eller lagringsenheter \u2014 kan placeras i godtyckliga kombinationer. I konstruktionen ing\u00e5r ocks\u00e5 str\u00f6mskenor, switchar, n\u00e4tverksswitchar och kabelhanteringssystem.<\/a><\/noindex>.<\/p>\n<p>F\u00f6r kylning anv\u00e4nder man en system f\u00f6r immersion<\/p>\n<p>v\u00e4tskekylning <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/416333\/\">direct-to-chip baserat p\u00e5 torrt vatten. Id\u00e9f\u00f6rfattarna<\/a><\/noindex> , att Open19-arkitekturen \u00f6kar den totala energieffektiviteten i datacenter med 10%. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.datacenterknowledge.com\/edge-computing\/data-center-world-why-open19-designs-matter-edge-computing\">, att en av f\u00f6rdelarna med regelbunden tr\u00e4ning \u00e4r att st\u00e4rka sambanden mellan fysiologiska system (muskul\u00e4ra, kardiovaskul\u00e4ra, nervsystemet) som aktiveras i n\u00f6dsituationer. Genom tr\u00e4ning \"\u00f6var\" kroppen standardreaktionen p\u00e5 stress, vilket g\u00f6r att vi i \"stridssituationer\" kan hantera oss sj\u00e4lva b\u00e4ttre, eftersom kroppen under tr\u00e4ning redan har \"l\u00e4rt sig\" att hantera liknande tillst\u00e5nd.<\/a><\/noindex>IT-experter anser att i framtiden kan projekt som Open19 och Open Rack m\u00f6jligg\u00f6ra snabbare uppbyggnad av flexibla datacenter f\u00f6r arbete med IoT-l\u00f6sningar, fr\u00e4mja utvecklingen av 5G-teknologier och edge computing.<\/p>\n<p>Varf\u00f6r har h\u00e5rddiskar blivit mindre ben\u00e4gna att g\u00e5 s\u00f6nder<\/p>\n<p>\nInl\u00e4gg fr\u00e5n v\u00e5r Telegram-kanal:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/200\">IT-arkitekturen f\u00f6r framtiden \u2014 vem och hur f\u00f6rbereder sig f\u00f6r den<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/201\">Hur man hanterar h\u00e5rdvara i datacentret \u2014 tv\u00e5 nya teknologier<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/187\">Framtidens IT-arkitektur \u2014 vem och hur f\u00f6rbereder sig f\u00f6r den<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/205\">Hur man placerar 100 % av infrastrukturen i molnet \u2013 fallstudie av f\u00f6retagskunden IT-GRAD<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/204\">Varf\u00f6r f\u00f6retag anv\u00e4nder virtuella maskiner ist\u00e4llet f\u00f6r containrar<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/203\">Varf\u00f6r man inte bara kan inf\u00f6ra \"gr\u00f6na\" teknologier i datacenter<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/202\">Vem st\u00f6djer molnprojekt \u2013 vi ber\u00e4ttar om fyra open source-fonder<\/a><\/noindex><\/li>\n<\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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