{"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\/hr\/blog\/administrirovanie\/open-rack-v3-chto-zhdat-ot-novogo-standarta-arhitektury-servernyh-stoek","title":{"rendered":"Open Rack v3: \u0161to o\u010dekivati od novog standarda arhitekture poslu\u017eitelja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h5>Na\u0107i \u0107e primjenu u hiperskaliranim podatkovnim centrima.<\/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: \u0161to o\u010dekivati od novog standarda arhitekture poslu\u017eitelja\" 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>Za\u0161to je a\u017eurirana specifikacija<\/h2>\n<p>\nIn\u017eenjeri iz Open Compute Project (OCP) <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/news\/introducing-the-open-rack\">predstavili su prvu verziju<\/a><\/noindex> standardizacije jo\u0161 2013. godine. Opisivao je modularnu i otvorenu konstrukciju rackova za podatkovne centre \u0161irine 21 in\u010d. Ovaj pristup omogu\u0107io je pove\u0107anje koeficijenta u\u010dinkovito kori\u0161tenog prostora racka do 87,5%. U usporedbi, kod 19-in\u010devih rackova, koji su trenutno standard, taj koeficijent iznosi samo 73%.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDodatno, in\u017eenjeri su promijenili pristup raspodjeli napajanja. Glavna novina bila je 12-voltnica, koja povezuje opremu. To je eliminiralo potrebu za instaliranjem vlastite napajanja za svaki poslu\u017eitelj.<\/p>\n<p>Godine 2015. objavljena je <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/documents\/facebook-open-rack-v2-specification-rev-12\">druga verzija standarda<\/a><\/noindex>. U njoj su programeri <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\/\">pre\u0161li<\/a><\/noindex> na 48-voltnu shemu i smanjili broj transformatora, \u0161to je smanjilo potro\u0161nju energije rackova za 30%. Zahvaljuju\u0107i ovim karakteristikama, standard je dobio \u0161iroku primjenu u IT industriji. Rackovi su po\u010deli aktivno <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/membership\/membership-organizational-directory\">koristiti<\/a><\/noindex> koristiti velike IT korporacije, telekomunikacijske tvrtke i banke.<\/p>\n<p>Nedavno su programeri predstavili novu specifikaciju \u2014 Open Rack v3. Prema rije\u010dima autora inicijative OCP, ona se razvija za visoko optere\u0107ene podatkovne centre koji obra\u0111uju podatke za AI i ML sustave. Ugra\u0111ena hardverska rje\u0161enja imaju visoku gusto\u0107u raspore\u0111ene snage. Za njihovo u\u010dinkovito funkcioniranje potrebna je nova konstrukcija rackova.<\/p>\n<h2>\u0160to je ve\u0107 poznato o Open Rack v3<\/h2>\n<p>\nProgrameri isti\u010du da \u0107e novi standard biti fleksibilniji i univerzalniji od v2, a tako\u0111er \u0107e uzeti sve najbolje iz prethodnih verzija \u2014 energetska u\u010dinkovitost, modularnost, kompaktnost. Konkretno, <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=23cadcc803bba621c720b77c60e5b958\">poznato je<\/a><\/noindex>, da \u0107e nastaviti koristiti 48-voltne izvore napajanja.<\/p>\n<p>Konstrukcija novih rackova trebala bi pobolj\u0161ati cirkulaciju zraka i odvo\u0111enje topline. Usput, za hla\u0111enje opreme koristit \u0107e se sustavi teku\u0107ine. \u010clanovi OCP <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencompute.org\/wiki\/Rack_%26_Power\/Advanced_Cooling_Solutions\">ve\u0107 rade<\/a><\/noindex> na nekoliko rje\u0161enja u toj oblasti. Konkretno, razvijaju se kontaktni sustavi hla\u0111enja, izmjenjiva\u010di topline montirani na stra\u017enjim zidovima rackova, i uranjaju\u0107i sustavi.<\/p>\n<p>Dalje, navodimo neke fizi\u010dke parametre novih rackova:<\/p>\n<p>Form-faktor, U<br \/>\n48 ili 42<\/p>\n<p>\u0160irina racka, mm<br \/>\n600<\/p>\n<p>Dubina racka, mm<br \/>\n1068<\/p>\n<p>Maksimalno optere\u0107enje, kg<br \/>\n1600<\/p>\n<p>Raspon radnih temperatura, \u00b0C<br \/>\n10\u201360<\/p>\n<p>Radna vla\u017enost, %<br \/>\n85<\/p>\n<p>Tip hla\u0111enja<br \/>\nTeku\u0107e<\/p>\n<p><\/p>\n<h2>Mi\u0161ljenja<\/h2>\n<p>\nRazvijatelji specifikacije <noindex><a rel=\"nofollow\" href=\"https:\/\/code.fb.com\/data-center-engineering\/open-rack\/\">tvrdite<\/a><\/noindex>, \u0161to u perspektivi Open Rack v3 omogu\u0107uje smanjenje tro\u0161kova IT sustava u data centrima. U Schneider Electric <noindex><a rel=\"nofollow\" href=\"https:\/\/www.apc.com\/salestools\/VAVR-A5AJW3\/VAVR-A5AJW3_R0_EN.pdf\">su izra\u010dunali<\/a><\/noindex>, da druga verzija rackova ve\u0107 omogu\u0107uje smanjenje tro\u0161kova odr\u017eavanja servera za 25% u usporedbi s tradicionalnim konstrukcijama. Postoje osnovi za pretpostavku da \u0107e nova specifikacija pobolj\u0161ati ovu brojku.<\/p>\n<p>Me\u0111u nedostacima standarda stru\u010dnjaci <noindex><a rel=\"nofollow\" href=\"https:\/\/www.networkworld.com\/article\/3266293\/what-is-the-open-compute-project.html\">isti\u010du<\/a><\/noindex> slo\u017eenost prilagodbe opreme i ra\u010dunarskih sala njegovim zahtjevima. Postoji vjerojatnost da \u0107e tro\u0161kovi preure\u0111enja servera prema\u0161iti potencijalne koristi od njihove implementacije. Iz tog razloga, Open Rack je uglavnom usmjeren na nove data centre.<\/p>\n<p><img decoding=\"async\" alt=\"Open Rack v3: \u0161to o\u010dekivati od novog standarda arhitekture poslu\u017eitelja\" 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>Jo\u0161 me\u0111u minusima <noindex><a rel=\"nofollow\" href=\"https:\/\/www.racksolutions.com\/news\/data-center-optimization\/open-frame-rack-vs-enclosed-rack\/\">spominju<\/a><\/noindex> karakteristike konstrukcije rje\u0161enja. Arhitektura otvorenih rackova ne predvi\u0111a za\u0161titu od pra\u0161ine. Tako\u0111er, pove\u0107ava se vjerojatnost o\u0161te\u0107enja opreme ili kablova.<\/p>\n<h2>Sli\u010dni projekti<\/h2>\n<p>\nU o\u017eujku je objavljena jo\u0161 jedna specifikacija za rackove \u2014 <noindex><a rel=\"nofollow\" href=\"http:\/\/files.opencompute.org\/oc\/public.php?service=files&amp;t=dc0d26d541c0e19aeb2f9a1cb7580dd0\">Open19 System Level<\/a><\/noindex> (za pregled specifikacije potrebno je preuzeti PDF-dokument). Dokument su razvili u Open19 Foundation, gdje od 2017. godine <noindex><a rel=\"nofollow\" href=\"https:\/\/www.theregister.co.uk\/2017\/05\/24\/open19_foundation_launch\/\">poku\u0161avaju<\/a><\/noindex> standardizirati pristupe izgradnji data centara. Vi\u0161e o ovoj organizaciji govorili smo u <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/329392\/\">jednom od na\u0161ih postova<\/a><\/noindex>.<\/p>\n<p>Standard Open19 System Level opisuje univerzalni form faktor za rackove i uspostavlja zahtjeve za strukturu mre\u017ea i potro\u0161njom energije. Tim Open19 nudi kori\u0161tenje takozvanih blok-kavez (brick cages). Oni predstavljaju module s vi\u0161e \u0161asija, u kojima se mo\u017ee smjestiti potrebno hardver \u2014 serveri ili SAN \u2014 u nasumi\u010dnim kombinacijama. Tako\u0111er, u konstrukciji se nalaze napajanja, switch-evi, mre\u017eni prekida\u010di i sustav upravljanja kabelima.<\/p>\n<p>Za hla\u0111enje se koristi sustav uronjenog <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/it-grad\/blog\/416333\/\">teku\u0107eg hla\u0111enja<\/a><\/noindex> direct-to-chip temeljen na suhoj vodi. Autori koncepcije <noindex><a rel=\"nofollow\" href=\"https:\/\/www.datacenterknowledge.com\/edge-computing\/data-center-world-why-open19-designs-matter-edge-computing\">napominju<\/a><\/noindex>, da arhitektura Open19 pove\u0107ava ukupnu energetski efikasnost data centra za 10%.<\/p>\n<p>Stru\u010dnjaci IT industrije smatraju da \u0107e projekti poput Open19 i Open Rack omogu\u0107iti br\u017eu izgradnju fleksibilnih data centara za rad s IoT rje\u0161enjima, doprinijeti razvoju 5G tehnologija i edge computing-a.<\/p>\n<p>\nObjave iz na\u0161eg Telegram kanala:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/200\">Za\u0161to su tvrdi diskovi postali rje\u0111e kvarljivi<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/201\">Kako upravljati opremom u data centru \u2014 dvije nove tehnologije<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/187\">IT arhitektura budu\u0107nosti \u2014 tko se priprema za nju i kako<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/205\">Kako smjestiti 100% infrastrukture u oblak \u2014 slu\u010daj korporativnog klijenta IT-GRAD<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/204\">Za\u0161to tvrtke koriste virtualne strojeve umjesto kontejnera<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/203\">Za\u0161to se ne mo\u017ee jednostavno implementirati 'zelene' tehnologije u data centrima<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/iaasblog\/202\">Tko podr\u017eava cloud projekte \u2014 pri\u010damo o \u010detiri open source fonda<\/a><\/noindex><\/li>\n<\/ul>\n<p>Izvor: <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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