{"id":93332,"date":"2020-09-05T19:42:54","date_gmt":"2020-09-05T17:42:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/kak-my-postroili-sistemu-rezervnogo-energosnabzheniya-v-czod-tushino-inzheneriya-i-finansy"},"modified":"2020-09-05T19:42:54","modified_gmt":"2020-09-05T17:42:54","slug":"kak-my-postroili-sistemu-rezervnogo-energosnabzheniya-v-czod-tushino-inzheneriya-i-finansy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/kak-my-postroili-sistemu-rezervnogo-energosnabzheniya-v-czod-tushino-inzheneriya-i-finansy","title":{"rendered":"Cum am construit un sistem de alimentare cu energie de rezerv\u0103 \u00een centru de date \u201eTushino\u201d: inginerie \u0219i finan\u021be","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Cum am construit un sistem de alimentare cu energie de rezerv\u0103 \u00een centru de date \u201eTushino\u201d: inginerie \u0219i finan\u021be\" src=\"\/wp-content\/uploads\/2020\/09\/6d0ab1393d18a7f1109796156770fbce.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nData center \u00abTushino\u00bb \u2014 un centru de date comercial de tip semi-megavatt destinat tuturor. Clientul poate nu doar s\u0103 \u00eenchirieze echipamente deja instalate, ci \u0219i s\u0103 \u00ee\u0219i stocheze propriile echipamente, inclusiv dispozitive non-standard precum serverele \u00een carcase obi\u0219nuite pentru PC-uri de birou, ferme de mining sau sisteme de inteligen\u021b\u0103 artificial\u0103. Pe scurt, este vorba despre cele mai variate sarcini populare, cele mai solicitate de afacerile autohtone de diferite dimensiuni. De aceea, este interesant. \u00cen aceast\u0103 postare nu ve\u021bi g\u0103si solu\u021bii tehnice exclusive sau inova\u021bii ingenioase. Este vorba despre problemele \u0219i solu\u021biile standard, adic\u0103 despre ceea ce 90% dintre speciali\u0219ti sunt ocupa\u021bi 90% din timpul lor de munc\u0103.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Tier \u2014 cu c\u00e2t mai mult, cu at\u00e2t mai bine?<\/h3>\n<p>\nFiabilitatea centrului de date \u00abTushino\u00bb corespunde nivelului Tier II. Practic, aceasta \u00eenseamn\u0103 c\u0103 centrul de date se afl\u0103 \u00eentr-o \u00eenc\u0103pere preg\u0103tit\u0103 corespunz\u0103tor, folosind surse de alimentare de rezerv\u0103 \u0219i av\u00e2nd resurse sistemice redundante. <\/p>\n<p>Cu toate acestea, contrar unei opiniei gre\u0219ite r\u0103sp\u00e2ndite, nivelurile Tier nu caracterizeaz\u0103 \u201ecalitatea\u201d centrului de date, ci gradul de conformitate cu sarcinile de afaceri actuale. \u0218i printre acestea, exist\u0103 multe pentru care o fiabilitate ridicat\u0103 este fie nesemnificativ\u0103, fie nu este at\u00e2t de prioritar\u0103 \u00eenc\u00e2t s\u0103 pl\u0103te\u0219ti \u00een plus 20-25 mii de ruble pe an, ceea ce \u00een condi\u021bii de criz\u0103 poate fi foarte dureros pentru client.<\/p>\n<p>De unde provine aceast\u0103 sum\u0103? Aceasta reprezint\u0103 diferen\u021ba dintre pre\u021burile pentru plasarea informa\u021biilor \u00een <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/kompaniya\/data-centers\/\"   title=\"de \u00eencredere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4670\">de \u00eencredere<\/a> nivelurile Tier II \u0219i Tier III, raportat la un singur server. Cu c\u00e2t mai multe date exist\u0103, cu at\u00e2t economiile pot fi mai vizibile.<\/p>\n<p>Ce tip de sarcini sunt men\u021bionate? De exemplu, stocarea copiilor de rezerv\u0103 sau mining-ul de criptomonede. \u00cen aceste cazuri, oprirea <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3654\">server<\/a>, acceptat\u0103 de Tier II, va costa mai pu\u021bin dec\u00e2t Tier III.<\/p>\n<p>Practic, se dovede\u0219te c\u0103, \u00een majoritatea cazurilor, economia este mai important\u0103 dec\u00e2t fiabilitatea crescut\u0103. \u00cen Moscova func\u021bioneaz\u0103 doar cinci centre de date certificate Tier III. Iar centre complet certificate Tier IV nu exist\u0103 deloc. <\/p>\n<h3>Cum este organizat sistemul de alimentare cu energie electric\u0103 al centrului de date \u00abTushino\u00bb?<\/h3>\n<p>\nCerin\u021bele pentru sistemul de alimentare electric\u0103 al centrului de date \u201eTushino\u201d corespund condi\u021biilor nivelului Tier II. Aceasta include rezervarea liniilor electrice conform schemei N+1, rezervarea surselor de alimentare ne\u00eentreruptibile tot conform schemei N+1 \u0219i rezervarea instala\u021biei de generatoare diesel conform schemei N. N+1 \u00een acest caz \u00eenseamn\u0103 o schem\u0103 cu un element de rezerv\u0103 care r\u0103m\u00e2ne neutilizat p\u00e2n\u0103 c\u00e2nd \u00een sistem se produce o defec\u021biune a unuia dintre elementele principale, iar N reprezint\u0103 o schem\u0103 f\u0103r\u0103 rezerv\u0103, \u00een care defec\u021biunea oric\u0103rui element duce la oprirea \u00eentregului sistem.<\/p>\n<p>Multe probleme legate de alimentarea cu energie sunt rezolvate prin alegerea corect\u0103 a loca\u021biei pentru centrul de date. Centrul de date \u201eTushino\u201d este situat pe teritoriul unei \u00eentreprinderi, unde ajung deja dou\u0103 linii de 110 kV din diferite centrale electrice urbane. La echipamentele fabricii, tensiunea \u00eenalt\u0103 este transformat\u0103 \u00een medie, iar la intrarea centrului de date sunt dou\u0103 linii independente de 10 kV. <\/p>\n<p>Substa\u021bia de transformare din interiorul cl\u0103dirii centrului de date transform\u0103 tensiunea medie \u00een cea de consum de 240-400 V. Toate liniile sunt conduse \u00een paralel, astfel \u00eenc\u00e2t echipamentele centrului de date s\u0103 primeasc\u0103 alimentare de la dou\u0103 surse externe independente.<\/p>\n<p>Tensiunea joas\u0103 de la substa\u021biile de transformare este adus\u0103 la automatele de introducere a rezervelor, care asigur\u0103 comutarea \u00eentre re\u021belele municipale. Ac\u021bion\u0103rile motorului instalate pe AUR necesit\u0103 1,2 secunde pentru aceast\u0103 opera\u021biune. Tot acest timp, \u00eenc\u0103rc\u0103tura cade pe sursele de alimentare ne\u00eentreruptibile.<\/p>\n<p>Un AUR separat este responsabil pentru activarea automat\u0103 a generatorului diesel \u00een cazul \u00een care alimentarea se \u00eentrerupe pe ambele linii. Pornirea generatorului diesel nu este un proces rapid \u0219i necesit\u0103 aproximativ 40 de secunde, timp \u00een care alimentarea electric\u0103 este complet asigurat\u0103 de acumulatorii UPS. <\/p>\n<p>La plin, generatorul diesel asigur\u0103 alimentarea centrului de date timp de 8 ore. Av\u00e2nd \u00een vedere acest lucru, centrul de date a \u00eencheiat dou\u0103 contracte cu furnizori independen\u021bi de motorin\u0103, care s-au angajat s\u0103 livreze o nou\u0103 por\u021bie de combustibil \u00een termen de 4 ore de la solicitare. Probabilitatea ca ambii s\u0103 \u00eent\u00e2mpine circumstan\u021be de for\u021b\u0103 major\u0103 este extrem de sc\u0103zut\u0103. Astfel, autonomia poate continua c\u00e2t este necesar echipelor de repara\u021bii pentru a restabili alimentarea din cel pu\u021bin una dintre re\u021belele ora\u0219ului.<\/p>\n<p>Dup\u0103 cum se poate observa, nu exist\u0103 niciun fel de lucr\u0103ri inginere\u0219ti aici. Acest lucru se datoreaz\u0103 \u00een parte \u0219i faptului c\u0103, \u00een construirea infrastructurii ingineresti, au fost utilizate module standard, ale c\u0103ror produc\u0103tori se orienteaz\u0103 c\u0103tre un anumit \u201econsumator mediu\u201d.<\/p>\n<p>Desigur, orice specialist IT va spune c\u0103 standardizarea este \u201enici pe\u0219te, nici carne\u201d \u0219i va propune s\u0103 dezvolte un set unic de componente pentru un sistem specific. Totu\u0219i, cei care ar dori s\u0103 pl\u0103teasc\u0103 pentru acest punct de vedere nu se \u00eenghesuie la u\u0219\u0103. Prin urmare, trebuie s\u0103 fim reali\u0219ti. \u00cen practic\u0103, lucrurile se vor desf\u0103\u0219ura astfel: achizi\u021bia de echipamente standardizate \u0219i asamblarea unui sistem care va rezolva problemele actuale ale afacerii. Cei care nu sunt de acord cu aceast\u0103 abordare vor fi rapid adu\u0219i cu picioarele pe p\u0103m\u00e2nt de c\u0103tre directorul financiar al companiei.<\/p>\n<h3>Tablouri de distribu\u021bie<\/h3>\n<p>\n\u00cen prezent, nou\u0103 tablouri de distribu\u021bie asigur\u0103 func\u021bionarea dispozitivelor de distribu\u021bie de intrare \u0219i patru R\u0218 sunt utilizate pentru a conecta sarcinile. Nu au existat restric\u021bii semnificative de spa\u021biu, dar niciodat\u0103 nu este suficient, astfel c\u0103 a existat totu\u0219i un aspect ingineresc interesant.<\/p>\n<p>Dup\u0103 cum se poate observa, num\u0103rul \u201etablourilor de intrare\u201d \u0219i \u201etablourilor de sarcin\u0103\u201d nu coincide \u2014 al doilea este de aproape dou\u0103 ori mai mic. Acest lucru a devenit posibil deoarece proiectan\u021bii infrastructurii centrului de date au decis s\u0103 foloseasc\u0103 tablouri mai mari pentru a putea introduce trei sau mai multe linii de intrare. Fiecare automat de intrare are aproximativ 36 de linii de ie\u0219ire, protejate de automate separate. <\/p>\n<p>Astfel, uneori utilizarea unor modele mai mari permite economisirea spa\u021biului deficitare. Pur \u0219i simplu, pentru c\u0103 vor fi necesare mai pu\u021bine tablouri mari. <\/p>\n<h3>Surse de alimentare ne\u00eentreruptibil\u0103<\/h3>\n<p>\nCa surs\u0103 de alimentare ne\u00eentrerupt\u0103 pentru centrul de date \u201eTushino\u201d este utilizat Eaton 93PM cu o putere de 120 kVA, func\u021bion\u00e2nd \u00een modul de conversie dubl\u0103. <\/p>\n<p><img decoding=\"async\" alt=\"Cum am construit un sistem de alimentare cu energie de rezerv\u0103 \u00een centru de date \u201eTushino\u201d: inginerie \u0219i finan\u021be\" src=\"\/wp-content\/uploads\/2020\/09\/ead096b3ebc47fd8fa9cb58aa2d49f59.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>UPS-urile Eaton 93PM sunt disponibile \u00een diferite configura\u021bii. Foto: Eaton <\/i><\/p>\n<p>Principalele motive pentru alegerea acestui dispozitiv se reg\u0103sesc \u00een caracteristicile sale. <\/p>\n<p>\u00cen primul r\u00e2nd, eficien\u021ba acestui UPS \u00een modul de conversie dubl\u0103 ajunge la 97%, iar \u00een modul de economisire a energiei \u2014 la 99%. Dispozitivul ocup\u0103 mai pu\u021bin de 1,5 m2 \u0219i nu ia din spa\u021biul serverului pentru echipamentele principale. Ca urmare, se ob\u021bin costuri de operare reduse \u0219i economii esen\u021biale pentru afaceri. <\/p>\n<p>\u00cen al doilea r\u00e2nd, datorit\u0103 sistemului \u00eencorporat de termoreglare, UPS-ul Eaton 93PM poate fi plasat oriunde. Chiar \u0219i \u00een apropierea peretelui. Chiar dac\u0103 nu este necesar imediat, poate fi nevoie mai t\u00e2rziu. De exemplu, pentru a elibera pu\u021bin spa\u021biu necesar pentru un rack suplimentar. <\/p>\n<p>\u00cen al treilea r\u00e2nd, simplitatea utiliz\u0103rii. Inclusiv \u2014 software-ul Intelligent Power, folosit pentru monitorizare \u0219i gestionare. Metricile trimise prin SNMP permit controlul consumului \u0219i identificarea unor defec\u021biuni globale, ceea ce ofer\u0103 posibilitatea de a reac\u021biona rapid la situa\u021bii de urgen\u021b\u0103. <\/p>\n<p>\u00cen al patrulea r\u00e2nd, modularitatea \u0219i scalabilitatea. Aceasta este, poate, cea mai important\u0103 calitate, datorit\u0103 c\u0103reia \u00een sistemul de rezervare al centrului de date \u201eTushino\u201d este utilizat un singur UPS modular. Acesta include dou\u0103 module de lucru \u0219i unul de rezerv\u0103. Astfel se asigur\u0103 schema N+1, necesar\u0103 pentru nivelul Tier II.<\/p>\n<p>Este semnificativ mai simplu \u0219i mai fiabil dec\u00e2t o configura\u021bie cu trei UPS-uri. De aceea, alegerea unui dispozitiv care prevede ini\u021bial posibilitatea de func\u021bionare paralel\u0103 este o decizie logic\u0103. <\/p>\n<p>Dar de ce proiectan\u021bii nu au ales un DRIBP \u00een loc de UPS-uri separate \u0219i un generator pe turbina diesel? Motivele principale sunt, de asemenea, legate de aspecte financiare.<\/p>\n<p>Structura modular\u0103 este, prin natura ei, preg\u0103tit\u0103 pentru upgrade \u2014 pe m\u0103sur\u0103 ce cre\u0219te \u00eenc\u0103rc\u0103tura, se adaug\u0103 surse \u0219i generatoare \u00een infrastructura ingineresc\u0103. Cele vechi continu\u0103 s\u0103 func\u021bioneze f\u0103r\u0103 probleme. Situa\u021bia cu DRIBP este radical diferit\u0103: trebuie s\u0103 achizi\u021bionezi un astfel de dispozitiv cu un mare surplus de putere. \u00cen plus, \u201ecombinele mici\u201d sunt pu\u021bine, iar pre\u021bul lor este considerabil \u2014 incomparabil mai mare dec\u00e2t cel al unui generator diesel sau al unui UPS. De asemenea, DRIBP sunt foarte capricioase \u00een ceea ce prive\u0219te transportul \u0219i montajul. Acest lucru afecteaz\u0103, la r\u00e2ndul s\u0103u, costul \u00eentregii sisteme. <\/p>\n<p>Configura\u021bia existent\u0103 \u00ee\u0219i \u00eendepline\u0219te sarcinile cu succes. UPS Eaton 93PM poate men\u021bine func\u021bionarea echipamentului principal al centrului de date timp de 15 minute, adic\u0103 cu un surplus de peste 15 ori. <\/p>\n<p>Din nou, forma de und\u0103 pur\u0103 pe care o ofer\u0103 UPS-ul \u00een modul online scute\u0219te proprietarul centrului de date de necesitatea achizi\u021bion\u0103rii de stabilizatoare separate. Astfel, se realizeaz\u0103 economii. <\/p>\n<p>\u00cen ciuda simplit\u0103\u021bii declarate a UPS-ului Eaton 93PM, dispozitivul este destul de complex. Prin urmare, \u00eentre\u021binerea acestuia \u00een centrul de date \u201eTushino\u201d este realizat\u0103 de o companie extern\u0103, care dispune de speciali\u0219ti \u00eenalt califica\u021bi. A avea un angajat instruit pentru acest scop \u00een propria echip\u0103 este o pl\u0103cere costisitoare. <\/p>\n<h3>Rezultatele \u0219i perspectivele<\/h3>\n<p>\nA\u0219a a fost creat centrul de date, care ofer\u0103 servicii de calitate clien\u021bilor ale c\u0103ror sarcini nu necesit\u0103 un nivel ridicat de redundan\u021b\u0103 \u0219i nu implic\u0103 costuri economice mari. Un astfel de serviciu va fi \u00eentotdeauna solicitat.<\/p>\n<p>Pentru construc\u021bia deja planificat\u0103 a celei de-a doua etape, sistemul de alimentare de rezerv\u0103 va utiliza deja UPS-ul Eaton achizi\u021bionat. Datorit\u0103 construc\u021biei modulare, modernizarea acestuia se va reduce la achizi\u021bionarea unui modul suplimentar, ceea ce este mai convenabil \u0219i mai ieftin dec\u00e2t \u00eenlocuirea complet\u0103 a dispozitivului. Aceast\u0103 abordare va fi aprobat\u0103 at\u00e2t de inginer, c\u00e2t \u0219i de finan\u021bist.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/eaton\/blog\/517660\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0426\u041e\u0414 \u00ab\u0422\u0443\u0448\u0438\u043d\u043e\u00bb \u2014 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0440\u043e\u0437\u043d\u0438\u0447\u043d\u044b\u0439 \u043f\u043e\u043b\u0443\u043c\u0435\u0433\u0430\u0432\u0430\u0442\u0442\u043d\u044b\u0439 \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440 \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u0438 \u0434\u043b\u044f \u0432\u0441\u0435\u0433\u043e. \u041a\u043b\u0438\u0435\u043d\u0442 \u043c\u043e\u0436\u0435\u0442 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0430\u0440\u0435\u043d\u0434\u043e\u0432\u0430\u0442\u044c \u0443\u0436\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435, \u043d\u043e \u0438 \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0442\u0430\u043c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043d\u0435\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u0442\u0438\u043f\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0432 \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u043a\u043e\u0440\u043f\u0443\u0441\u0430\u0445 \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043d\u044b\u0445 \u041f\u041a, \u043c\u0430\u0439\u043d\u0438\u043d\u0433-\u0444\u0435\u0440\u043c \u0438\u043b\u0438 \u0441\u0438\u0441\u0442\u0435\u043c \u0438\u0441\u043a\u0443\u0441\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u043b\u043b\u0435\u043a\u0442\u0430. \u041f\u0440\u043e\u0449\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, \u044d\u0442\u043e \u0441\u0430\u043c\u044b\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043e\u0442\u0435\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c \u0431\u0438\u0437\u043d\u0435\u0441\u043e\u043c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u043e\u0439 \u0441\u0442\u0435\u043f\u0435\u043d\u0438 \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u044b. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":93333,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-93332","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\" href=\"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/kak-my-postroili-sistemu-rezervnogo-energosnabzheniya-v-czod-tushino-inzheneriya-i-finansy\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" 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