{"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\/et\/blog\/administrirovanie\/kak-my-postroili-sistemu-rezervnogo-energosnabzheniya-v-czod-tushino-inzheneriya-i-finansy","title":{"rendered":"Kuidas me ehitasime varuj\u00f5u s\u00fcsteemi andmekeskuses \u00abTushino\u00bb: inseneriteadus ja rahandus","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Kuidas me ehitasime varuj\u00f5u s\u00fcsteemi andmekeskuses \u00abTushino\u00bb: inseneriteadus ja rahandus\" src=\"\/wp-content\/uploads\/2020\/09\/6d0ab1393d18a7f1109796156770fbce.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAndmekeskus \u00abTushino\u00bb \u2014 kommertslik jaepoolmegatine andmekeskus, mis teenindab k\u00f5iki ja k\u00f5ike. Klient saab mitte ainult rentida juba paigaldatud seadmeid, vaid ka paigutada sinna oma seadmed, sealhulgas eriseadmendid nagu lauaarvutite serverid, kaevandustalud v\u00f5i tehisintellekti s\u00fcsteemid. Teisis\u00f5nu, see katab erinevad populaarsed probleemid, mida Eesti ettev\u00f5tted eri suurustes k\u00f5ige enam vajavad. Just see teeb selle huvitavaks. Selles postituses ei leia te eksklusiivseid tehnilisi lahendusi ega eredaid inseneritegevusi. R\u00e4\u00e4gime standardsetest probleemidest ja lahendustest. See t\u00e4hendab seda, millega 90% spetsialistidest veedab 90% oma t\u00f6\u00f6ajast.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Tier \u2014 kas rohkem on parem?<\/h3>\n<p>\nAndmekeskuse \u00abTushino\u00bb t\u00f6\u00f6kindluse tase vastab Tier II tasemele. See t\u00e4hendab, et andmekeskus asub normaalselt ettevalmistatud ruumis, kasutatakse varuj\u00f5uallikaid ja on olemas \u00fcleliigsed s\u00fcsteemiressursid. <\/p>\n<p>Siiski, vastupidiselt levinud eksitustele, iseloomustavad Tier tasemed kaugel mitte andmekeskuse \"lahedust\", vaid selle vastavust k\u00e4imasolevatele \u00e4rimuredele. Nende seas on palju \u00fclesandeid, kus k\u00f5rge t\u00f6\u00f6kindlus on kas ebaoluline v\u00f5i mitte piisavalt oluline, et maksta selle eest 20-25 tuhat rubla aastas, mis v\u00f5ib kriisiaegadel kliendile olla v\u00e4gagi kurnav.<\/p>\n<p>Kust see summa tuli? Just see on erinevus Tier II ja Tier III andmekeskustes andmete paigutamise hindade vahel \u00fche serveri j\u00e4rgi. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/kompaniya\/data-centers\/\"   title=\"andmekeskustes\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4670\">andmekeskustes<\/a> Tier II ja Tier III hinnas. Mida rohkem andmeid, seda m\u00e4rgatavam on potentsiaalne kokkuhoid.<\/p>\n<p>Milliseid \u00fclesandeid silmas peetakse? N\u00e4iteks varukoopiate s\u00e4ilitamine v\u00f5i kr\u00fcptovaluutade kaevandamine. Nendes olukordades on lubatud Tier II seiskumine odavam kui Tier III. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-los-angeles\/\"   title=\"serverile\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3654\">serverile<\/a>Kogemus n\u00e4itab, et enamikul juhtudel on kokkuhoid olulisem kui k\u00f5rgem t\u00f6\u00f6kindlus. Moskvas t\u00f6\u00f6tab ainult viis andmekeskust, mis on sertifitseeritud Tier III j\u00e4rgi. T\u00e4ielikult Tier IV j\u00e4rgi sertifitseeritud andmekeskusi ei ole \u00fcldse.<\/p>\n<p>Kuidas on korraldatud andmekeskuse \"Tushino\" toiteallikas? <\/p>\n<h3>Kuidas on korraldatud andmekeskuse \"Tushino\" elektritoite s\u00fcsteem?<\/h3>\n<p>\nT\u0161entraliseeritud elektrivarustuse s\u00fcsteemin\u00f5uded \"Tushino\" vastavad Tier II taseme tingimustele. See h\u00f5lmab N+1 skeemi elektri\u00fchenduste varundamise, N+1 skeemi katkematu toiteallika varundamise ja N skeemi diiselgeneraatori varundamise. N+1 siin t\u00e4hendab skeemi, kus on \u00fcks varuosa, mis j\u00e4\u00e4b kasutamata kuni juhtub rike m\u00f5nes peamises elemendis, samas kui N t\u00e4hendab skeemi ilma varundamiseta, mille puhul iga komponendi rike viib kogu s\u00fcsteemi t\u00f6\u00f6 katkestamiseni.<\/p>\n<p>Paljud elektrivarustusega seotud probleemid lahendatakse \u00f5ige andmekeskuse asukoha valimisega. Andmekeskus \"Tushino\" asub ettev\u00f5tte territooriumil, kuhu on juba paigaldatud kaks 110 kV joont erinevatelt linnaelektrijaamadelt. Tehase enda seadmetes muundatakse k\u00f5rge pinge keskmiseks ning andmekeskuse sisenemisel on kaks s\u00f5ltumatut 10 kV liini. <\/p>\n<p>Transformaatorjaam andmesaalis muundab keskpinge 240-400 V tarbimispingeks. K\u00f5ik liinid on paralleelsed, mist\u00f5ttu saavad andmekeskuse seadmed toite kahest s\u00f5ltumatust v\u00e4list allikast.<\/p>\n<p>Madalpinge transformatorijaamadest suunatakse varu automaatidele, mis tagavad vahetuse linnav\u00f5rkudega. Paigaldatud AVR mootorite jaoks kulub selleks tegevuseks 1,2 sekundit. Kogu selle aja jooksul j\u00e4\u00e4b koormus katkestusteta toiteallikatele.<\/p>\n<p>Erinev AVR vastutab diiselgeneraatore automaatse k\u00e4ivitamise eest juhul, kui toit katkeb m\u00f5lemal liinil. Diiselgeneraatore k\u00e4ivitamine ei ole kiire protsess ja vajab umbes 40 sekundit, mille jooksul elektritoide tugineb UPS-i akudele. <\/p>\n<p>T\u00e4isvarustuses diiselgeneraator tagab andmekeskuse t\u00f6\u00f6 8 tunni jooksul. Selle p\u00f5hjal on andmekeskus s\u00f5lminud kaks lepingut omavahel s\u00f5ltumatute diiselk\u00fctuse tarnijatega, kes on n\u00f5ustunud tooma uue k\u00fctusepartii 4 tunni jooksul p\u00e4rast v\u00e4ljakutset. T\u00f5en\u00e4osus, et m\u00f5lemas teenuseosutajas esinevad etten\u00e4gematud asjaolud, on \u00e4\u00e4rmiselt madal. Seega v\u00f5ib autonoomsus kesta nii kaua, kui on vajalik remondimeeskondadele, et taastada toit v\u00e4hemalt \u00fchest linna v\u00f5rgust.<\/p>\n<p>Nagu kergesti m\u00e4rgata, ei ole siin mingeid inseneritehnilisi uuringuid. See on osaliselt tingitud ka asjaolust, et inseneritaristu rajamisel kasutati valmis mooduleid, mille tootjad on suunatud nii nimetatud \"keskmisele tarbijale.\"<\/p>\n<p>Ilmselt \u00fctleb iga IT-spetsialist, et keskmistamine on \u201eei kala, ei liha\u201c ja soovitaks v\u00e4lja arendada unikaalne komponentide kogum konkreetse s\u00fcsteemi jaoks. Siiski ei ole neid, kes oleksid valmis selle eest maksma, kuhugi j\u00e4rjekorda. Seet\u00f5ttu tuleb olla realistlik. Praktikas on olukord j\u00e4rgmine: valmis varustuse ostmine ja s\u00fcsteemi kokkupanek, mis lahendab ettev\u00f5tte jaoks olulisi \u00fclesandeid. Need, kes ei n\u00f5ustu sellise l\u00e4henemisega, toob ettev\u00f5tte rahandusjuht kiiresti maapinnale tagasi.<\/p>\n<h3>Jaotuskilbid<\/h3>\n<p>\nPraegu tagavad \u00fcheksa jaotuskilbi sisenemis-jaotusseadmeste t\u00f6\u00f6 ja neli jaotuskilbi kasutatakse koormuse otseses \u00fchendamiseks. T\u00f5siseid ruumipiiranguid ei olnud, kuid ruumi ei ole kunagi liiga palju, seet\u00f5ttu oli olemas siiski \u00fcks huvitav inseneritehniline n\u00fcanss.<\/p>\n<p>Nagu v\u00f5ib seostada, ei \u00fchti \"sisend\" ja \"koormus\" paneelide arv \u2014 teisi on peaaegu kaks korda v\u00e4hem. See sai v\u00f5imalikuks, kuna andmekeskuse infrastruktuuri projekteerijad otsustasid kasutada suuremaid paneele, et v\u00f5imaldada kolme v\u00f5i enam sisendliini. Iga sisendautomaatide kohta on umbes 36 v\u00e4ljundliini, mida kaitsevad eraldi automaadid. <\/p>\n<p>Seega v\u00f5ib tunduda, et suuremate mudelite kasutamine v\u00f5imaldab s\u00e4\u00e4sta piiratud ruumi. Lihtsalt seet\u00f5ttu, et suuremaid paneele on vaja v\u00e4hem. <\/p>\n<h3>\u00dchendatud toiteallikad<\/h3>\n<p>\nAndmekeskuses \"Tushino\" kasutatakse \u00fchendatud toiteallikana Eaton 93PM, mille v\u00f5imsus on 120 kVA ja mis t\u00f6\u00f6tab kahekordse muundamise re\u017eiimis. <\/p>\n<p><img decoding=\"async\" alt=\"Kuidas me ehitasime varuj\u00f5u s\u00fcsteemi andmekeskuses \u00abTushino\u00bb: inseneriteadus ja rahandus\" src=\"\/wp-content\/uploads\/2020\/09\/ead096b3ebc47fd8fa9cb58aa2d49f59.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Eaton 93PM \u00fchendatud toiteallikaid toodetakse erinevates variatsioonides. Foto: Eaton <\/i><\/p>\n<p>Peamised p\u00f5hjused, miks just see seade on valitud, seisnevad selle omadustes. <\/p>\n<p>Esiteks, selle UPS-i efektiivsus kahekordse muundamise re\u017eiimis ulatub 97%-ni ning energias\u00e4\u00e4stu re\u017eiimis 99%-ni. Seade h\u00f5ivab v\u00e4hem kui 1,5 ruutmeetrit ja ei v\u00f5ta ruumi serveriruumist p\u00f5hiseadmest. Selle tulemusena on madalad ekspluatatsioonikulud ja vajalikud s\u00e4\u00e4stud \u00e4ri jaoks. <\/p>\n<p>Teiseks, t\u00e4nu sisseehitatud temperatuuri regulatsioonis\u00fcsteemile on Eaton 93PM UPS-i v\u00f5imalik paigutada igasse kohta. Isegi seina \u00e4\u00e4rde. Isegi kui see kohe ei ole vajalik, v\u00f5ib see hiljem osutuda vajalikuks. N\u00e4iteks ruumi vabastamiseks, mida vajatakse t\u00e4iendava riiuli jaoks. <\/p>\n<p>Kolmandaks, kasutamise lihtsus. Sealhulgas - Intelligent Power tarkvara, mida kasutatakse j\u00e4lgimiseks ja juhtimiseks. SNMP kaudu edastatavad m\u00f5\u00f5dikud v\u00f5imaldavad j\u00e4lgida tarbimist ja suuri rikkeid, mis annab v\u00f5imaluse kiiresti reageerida h\u00e4daolukordadele. <\/p>\n<p>Neljandaks, moodularity ja skaleeritavus. See on t\u00f5en\u00e4oliselt k\u00f5ige olulisem omadus, mille t\u00f5ttu kasutatakse Tushino andmekeskuse varunduss\u00fcsteemis ainult \u00fchte mooduldatud UPSi. See sisaldab kahte t\u00f6\u00f6moduuli ja \u00fchte reserveeritavat. Nii tagatakse N+1 skeem, mis on vajalik Tier II taseme jaoks.<\/p>\n<p>See on oluliselt lihtsam ja usaldusv\u00e4\u00e4rsem kui kolme UPSi konfiguratsioon. Seet\u00f5ttu on seadme valik, kus on algselt ette n\u00e4htud paralleelse t\u00f6\u00f6 v\u00f5imalus \u2014 t\u00e4iesti loogiline samm. <\/p>\n<p>Aga miks projekteerijad ei valinud DRUPS-i, vaid eraldi UPS-e ja diiselgeneraatorit? Peamised p\u00f5hjused ei peitu siin inseneriteaduses, vaid rahanduses.<\/p>\n<p>Modulaarne struktuur on algusest peale loodud uuendamiseks \u2014 siis, kui koormus kasvab, lisatakse insenerinstruktuuri uusi ressursse ja generaatoreid. Vanad j\u00e4tkavad oma t\u00f6\u00f6d nagu varem. DRIUP-l on olukord radikaalselt erinev: sellise seadme ostmine peab toimuma suure v\u00f5imsuse varu olemasolul. Pealegi on \"v\u00e4ikeseid komboine\" v\u00e4he ja need maksavad \u00fcsna palju \u2014 v\u00f5rreldes \u00fcksikute diiselgeneraatorite ja UPS-iga on hind oluliselt k\u00f5rgem. Veelgi enam, DRIUP on v\u00e4ga n\u00f5udlikud transportimisel ja paigaldamisel. See omakorda m\u00f5jutab kogu s\u00fcsteemi maksumust. <\/p>\n<p>K\u00fcll aga on olemasolev konfiguratsioon oma \u00fclesandeid v\u00e4ga edukalt t\u00e4itnud. UPS Eaton 93PM suudab toetada andmekeskuse p\u00f5hiseadmete t\u00f6\u00f6d 15 minuti jooksul, mis t\u00e4hendab rohkem kui 15-kordse varu olemasolu. <\/p>\n<p>Taaskord, puhas siinuslainetus, mida UPS online-re\u017eiimis v\u00e4ljastab, vabastab andmekeskuse omanikud vajadusest osta eraldi stabilisaatoreid. Siin saavutatakse v\u00e4\u00e4rtuslik kokkuhoid. <\/p>\n<p>Kuigi Eaton 93PM UPS-i lihtsus on kuulutatud, on seade piisavalt keeruline. Seet\u00f5ttu hooldab seda tehniliselt Tsentriaaline Andmete Keskus \u201eTushino\u201d kolmas osapool, kelle t\u00f6\u00f6tajad on k\u00f5rgelt kvalifitseeritud spetsialistid. Omandada koolitatud t\u00f6\u00f6taja selle jaoks oma meeskonda on kallis l\u00f5bu. <\/p>\n<h3>Tulemused ja perspektiivid<\/h3>\n<p>\nNii loodi andmekeskus, mis v\u00f5imaldab pakkuda kvaliteetseid teenuseid tarbijatele, kelle vajadused ei n\u00f5ua k\u00f5rget varukoopiate taset ega eelda suuri kulutusi. Selline teenus on alati n\u00f5utud.<\/p>\n<p>Kuna teise etapi ehitus on juba plaanitud, kasutatakse varustuss\u00fcsteemi loomiseks juba ostetud Eaton UPS-i. T\u00e4nu modulaarsesele disainile on selle uuendamine lihtne \u2014 piisab vaid t\u00e4iendava mooduli soetamisest, mis on mugavam ja odavam kui seadme t\u00e4ielik asendamine. Sellist l\u00e4henemist toetavad nii insener kui ka rahandusspetsialist.<br \/>\n<br \/>Allikas: <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. 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