{"id":31147,"date":"2019-10-31T21:39:44","date_gmt":"2019-10-31T18:39:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/umerit-appetity-neskolko-sposobov-povysheniya-energoeffektivnosti-data-tsentrov\/"},"modified":"2019-10-31T21:39:44","modified_gmt":"2019-10-31T18:39:44","slug":"umerit-appetity-neskolko-sposobov-povysheniya-energoeffektivnosti-data-tsentrov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/umerit-appetity-neskolko-sposobov-povysheniya-energoeffektivnosti-data-tsentrov","title":{"rendered":"\u201eK\u00fcpsetage isu\u201d: mitu viisi andmekeskuste energiaefektiivsuse parandamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Andmete keskuste efektiivse t\u00f6\u00f6 tagamiseks kulub t\u00e4na t\u00f5eliselt palju energiat. 2013. aastal kasutasid Ameerika \u00dchendriikide andmekeskused <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/resources\/americas-data-centers-consuming-and-wasting-growing-amounts-energy\">\u00fcle<\/a><\/noindex> 91 miljardit kilowatt-tundi energiat, mis vastab 34 suure s\u00fcsi energiatootmise aastasele tulekule.<\/p>\n<p>Elektrienergia on andmekeskuste ettev\u00f5tete peamine kululiik, mist\u00f5ttu n\u00e4hakse ette meetmeid <noindex><a rel=\"nofollow\" href=\"https:\/\/www.google.com\/about\/datacenters\/efficiency\/internal\">t\u00f5hususe<\/a><\/noindex> t\u00f5stmiseks arvutusinfrastruktuuri t\u00f6\u00f6 efektiivsuse suurendamiseks. Selleks kasutatakse erinevaid tehnilisi lahendusi, millest me t\u00e4na r\u00e4\u00e4gime.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/310630\/\"><img decoding=\"async\" alt=\"\u201eK\u00fcpsetage isu\u201d: mitu viisi andmekeskuste energiaefektiivsuse parandamiseks\" src=\"\/wp-content\/uploads\/2019\/04\/96020859ef0527ed24dbd9d52a2f50bd.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><i>\/ \u0444\u043e\u0442\u043e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/torkildr\/\">Torkild Retvedt<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/\">CC<\/a><\/noindex><\/i><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Virtualiseerimine<\/h3>\n<p>\nKui r\u00e4\u00e4kida energiakulude t\u00f5hususest, on virtualiseerimisel mitmeid vaieldamatuid eeliseid. Esiteks t\u00e4hendab olemasolevate teenuste konsolideerimine v\u00e4iksemas arvus riistvaraserverites \u00abriistvara\u00bb hoolduse kokkuhoidu, mis toob kaasa v\u00e4hendatud kulud jahutusele, elektrienergiale ja ruumile. Teiseks v\u00f5imaldab virtualiseerimine riistvararesursside optimeerimist ja paindlikku <noindex><a rel=\"nofollow\" href=\"https:\/\/www.energystar.gov\/products\/low_carbon_it_campaign\/12_ways_save_energy_data_center\/consolidation_lightly_utilized_servers\">jaotust<\/a><\/noindex> virtuaalsete v\u00f5imsuste otse t\u00f6\u00f6 k\u00e4igus.<\/p>\n<p>NRDC ja Anthesis viidi l\u00e4bi \u00fchine <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">uurimus<\/a><\/noindex> uurimus, mille tulemusena selgus, et 3100 serveri asendamine 150 virtuaalse hostiga v\u00f5ib tuua kokkuhoidu elektrikuludes 2,1 miljonit dollarit aastas. Uuritud organisatsioon s\u00e4\u00e4stis seadmete hoolduse ja soetamise pealt, v\u00e4hendas s\u00fcsteemiadministraatorite arvu, sai andmete taastamise garantiid probleemide korral ning v\u00e4ltis vajadust ehitada veel \u00fcks andmekeskus.<\/p>\n<p>Tulemuste p\u00f5hjal <noindex>uurimise<\/noindex> Gartner prognoosib, et 2016. aastaks \u00fcletab paljude ettev\u00f5tete virtualiseerimism\u00e4\u00e4r 75% ning kogu turg ulatub 5,6 miljardi dollarini. Siiski on olemas teatud tegurid, mis takistavad virtualiseerimise laialdast kasutuselev\u00f5ttu. \u00dcks peamisi p\u00f5hjuseid on andmekeskuste uue t\u00f6\u00f6mudeli \u201e\u00fcmberkorraldamise\u201c keerukus, kuna kulud \u00fcletavad sageli potentsiaalsed kasud.<\/p>\n<h3>Energiatarbimise juhtimiss\u00fcsteemid<\/h3>\n<p>\nsellised s\u00fcsteemid v\u00f5imaldavad t\u00f5sta jahutuss\u00fcsteemi energiat\u00f5husust v\u00f5i v\u00e4hendada IKT seadmete energiatarbimist, mis l\u00f5ppkokkuv\u00f5ttes toob kaasa kulude minimaalsuse. Sellisel juhul kasutatakse spetsiaalset <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Comparison_of_power_management_software_suites\">tarkvara<\/a><\/noindex>, mis j\u00e4lgib serverite aktiivsust, energia tarbimist ja kulu ning jaotab koormust automaatselt ning isegi l\u00fclitab seadmed v\u00e4lja.<\/p>\n<p>\u00dcks energiat\u00f5hususe juhtimise tarkvara t\u00fc\u00fcpidest on andmekeskuse infrastruktuuri juhtimiss\u00fcsteemid (DCIM), mis on m\u00f5eldud erinevate seadmete energiat\u00f5hususe n\u00e4itajate j\u00e4lgimiseks, anal\u00fc\u00fcsimiseks ja ennustamiseks. Enamik DCIM-t\u00f6\u00f6riistu ei rakenda energiat\u00f5hususe kontrollimiseks IKT ja muude seadmete jaoks, kuid paljud s\u00fcsteemid on varustatud PUE (Power usage effectiveness) kalkulaatoritega. Intel ja Dell DCIM andmete kohaselt <noindex><a rel=\"nofollow\" href=\"http:\/\/www.datacenterdynamics.com\/content-tracks\/power-cooling\/survey-75-of-data-center-managers-installed-dcim-to-cut-costs\/95721.fullarticle\">kasutatud<\/a><\/noindex> 53% IKT juhtidest.<\/p>\n<p>Praegu on enamus riistvarast suunatud energiat\u00f5hususele, kuid riistvara soetamise ajal p\u00f6\u00f6ratakse sageli rohkem t\u00e4helepanu algsele hinnale v\u00f5i j\u00f5udlusele kui kogumaksumusele, mis j\u00e4tab energiat\u00f5husate seadmete <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">ilmumata<\/a><\/noindex>. Lisaks elektriarvete v\u00e4henemisele <noindex><a rel=\"nofollow\" href=\"http:\/\/www.greendatacenternews.org\/articles\/461317\/how-exactly-does-virtualization-reduce-your-carbon\">v\u00e4heneb<\/a><\/noindex> ka CO2 heitkoguste hulk atmosf\u00e4\u00e4ris.<\/p>\n<h3>Andmete tihendamine<\/h3>\n<p>\nOn olemas ka v\u00e4hem ilmsed l\u00e4henemisviisid andmekeskuste energiat\u00f5hususe suurendamiseks, n\u00e4iteks andmete hulga v\u00e4hendamine. Harva kasutatavate andmete tihendamine <noindex><a rel=\"nofollow\" href=\"http:\/\/searchstorage.techtarget.com\/report\/Efficient-data-storage-A-guide-for-storage-managers\">suuteline<\/a><\/noindex> v\u00f5ib s\u00e4\u00e4sta kuni 30% energiast, isegi arvestades, et tihendamine ja dekompresseerimine tarbivad samuti ressursse. Andmete deduplication v\u00f5ib n\u00e4idata isegi atraktiivsemaid tulemusi \u2013 40\u201350%. Samuti tasub m\u00e4rkida, et elektritarbimise v\u00e4hendamiseks aitab kasutada v\u00e4ikese v\u00f5imsusega salvestusi \u00abk\u00fclmadele\u00bb andmetele.<\/p>\n<h3>Zombi-serverite v\u00e4ljal\u00fclitamine<\/h3>\n<p>\n\u00dcks probleeme, mis viib andmekeskustes elektri ebaefektiivse kasutamise, on t\u00f6\u00f6tav riistvara. Eksperdid <noindex><a rel=\"nofollow\" href=\"http:\/\/www.forbes.com\/sites\/benkepes\/2015\/06\/03\/30-of-servers-are-sitting-comatose-according-to-research\/#60aaf9ca2c2e\">arvavad<\/a><\/noindex>, et m\u00f5ned ettev\u00f5tted ei suuda \u00f5igesti hinnata vajalike ressursside arvu, samas kui teised ostavad serverite v\u00f5imsusi tuleviku prognooside p\u00f5hjal. Seet\u00f5ttu seisavad peaaegu 30% serveritest t\u00f6\u00f6ta, tarbides selle ajal energiat 30 miljardi dollari ulatuses aastas.<\/p>\n<p>Samuti, uuringu kohaselt ei suuda IKT juhid <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">tuvastada<\/a><\/noindex> 15\u201330% paigaldatud serveritest, kuid nad ei taha seadmeid mahakanda, kartes v\u00f5imalikud tagaj\u00e4rjed. Ainult 14% k\u00fcsitletutest tegi \u00fclesandeks mittekasutatavate serverite arvu ja teadis umbes nende arvust.<\/p>\n<p>\u00dcks v\u00f5imalus selle probleemi lahendamiseks on kasutada avalikke pilvi, mille mudel on tasu vastavalt kasutusele, kus ettev\u00f5te maksab ainult reaalselt kasutatavate ressursside eest. Sellises s\u00fcsteemis t\u00f6\u00f6tab juba mitmeid ettev\u00f5tteid, ning Aligned Energy andmekeskuse omanik Texases, Plano linnas, v\u00e4idab, et see aitab klientidel aastas s\u00e4\u00e4sta 30\u201350%.<\/p>\n<h3>Andmekeskuse mikrokliima haldamine<\/h3>\n<p>\nAndmekeskuse energiat\u00f5hususe <noindex><a rel=\"nofollow\" href=\"http:\/\/www.itwatchdogs.com\/whitepapers\/How_to_Protect_Your_Data_Center.pdf\">m\u00f5jutab<\/a><\/noindex> ruumiline mikrokliima, kus seadmed asuvad. T\u00f5husate jahutusjaamade t\u00f6\u00f6 tagamiseks on oluline v\u00e4hendada k\u00fclma kadu, isoleerides andmekeskuse keskkonnam\u00f5judest ja takistades soojust vahetust seinte, lae ja p\u00f5randaga. Suurep\u00e4rane lahendus on aurut\u00f5kke kasutamine, mis samas reguleerib ruumi niiskustaset.<\/p>\n<p>Liigne niiskus v\u00f5ib p\u00f5hjustada seadmete t\u00f6\u00f6 h\u00e4dasid, suurenenud kulumist ja korrosiooni, samas kui liiga madal niiskustase v\u00f5ib tekitada staatilisi elektrilaenguid. <noindex><a rel=\"nofollow\" href=\"https:\/\/tc0909.ashraetcs.org\/documents\/ASHRAE_Extended_Environmental_Envelope_Final_Aug_1_2008.pdf\">ASHRAE<\/a><\/noindex> m\u00e4\u00e4ratleb andmekeskuse optimaalse suhtelise niiskuse taseme vahemikus 40% kuni 55%.<\/p>\n<p>Efektiivne \u00f5huvoolude jaotamine v\u00f5ib samuti s\u00e4\u00e4sta 20\u201325% tarbitavast elektrienergiast. Korrektne seadmete paigutus aitab selle saavutamisele: andmekeskuse masinaruumide jagamine \"k\u00fclmade\" ja \"kuumade\" koridorideks. Samuti on oluline tagada koridoride isoleeritus: paigaldada vajalikesse kohtadesse perforatsiooniga plaate ja kasutada serveriridade vahel vaheplaate, et v\u00e4ltida \u00f5huvoolude segunemist.<\/p>\n<p>Samuti tasub l\u00e4bim\u00f5elda mitte ainult seadmete paigutus, vaid ka kliimaseadmete asukoht. K\u00fclmade ja kuumade koridoride jaotamisel peaks konditsioneerid olema paigaldatud nurga all kuumade \u00f5huvoolude suunas, et takistada nende sisenemist k\u00fclma \u00f5hu koridori.<\/p>\n<p>V\u00e4hemalt sama oluline aspekt temperatuurihalduse t\u00f5hususes andmekeskustes on juhtmete paigutus, mis v\u00f5ivad takistada \u00f5huvoolude liikumist, v\u00e4hendades staatilist survet ja alandades IT-seadmete jahutuse efektiivsust. Probleemi lahendab kaabeldamise korvide liigutamine valealalt l\u00e4hemale laele.<\/p>\n<h3>Looduslik ja vedel jahutus<\/h3>\n<p>\nSuurep\u00e4rane alternatiiv spetsiaalsetele kliimaseadmete s\u00fcsteemidele on looduslik jahutus, mida saab kasutada k\u00fclma aastaajal. T\u00e4nap\u00e4eva tehnoloogiad v\u00f5imaldavad vajadusel vahetada \u00f5hukonditsioneerid makrotesse. Battelle Laboratoriesi uuringu kohaselt v\u00e4hendab looduslik jahutus andmekeskuste elektrikulutusi 13%.<\/p>\n<p>Samas on olemas kaks t\u00fc\u00fcpi makrotesi: need, mis kasutavad ainult kuiva \u00f5hku, ja need, mis vajavad lisatoetust, kui \u00f5hu jahutus on ebapiisav. M\u00f5ned s\u00fcsteemid v\u00f5ivad kombineerida erinevaid makrotesi, luues mitmetasandilisi jahutuss\u00fcsteeme.<\/p>\n<p>Kuid \u00f5hu jahutuss\u00fcsteemid osutuvad sageli ebat\u00f5husaks \u00f5huvoolude omavahelise segunemise v\u00f5i v\u00f5imaluste t\u00f5ttu mitte kasutada eemaldatud liigset soojust. Lisaks p\u00f5hjustab selliste s\u00fcsteemide paigaldamine sageli t\u00e4iendavaid kulutusi \u00f5hufiltritele ja pidevale j\u00e4lgimisele.<\/p>\n<p>Kuid paljud eksperdid usuvad, et vedel jahutus t\u00e4idab oma \u00fclesande paremini. Taani tootja Asetek esindaja John Hamill, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.businesswire.com\/news\/home\/20151112005537\/en\/Asetek-Showcase-Growing-Adoption-OEM-Solutions-SC15\">189398: on kindel<\/a><\/noindex>, et vedelik on soe 4000 korda efektiivsem soojusenergia hoidmiseks ja edastamiseks kui \u00f5hk. Katse, mida viidi l\u00e4bi Lawrence Berkeley National Laboratory koost\u00f6\u00f6s American Power Conversion'i ja Silicon Valley Leadership Group'iga, on <noindex><a rel=\"nofollow\" href=\"http:\/\/escholarship.org\/uc\/item\/46b4v70v\">t\u00f5estanud<\/a><\/noindex>, et vedeliku jahutuse kasutamine ja kraani veetootmine v\u00f5imaldasid m\u00f5nel juhul energias\u00e4\u00e4stu ulatuda 50%-ni.<\/p>\n<h3>Teised tehnoloogiad<\/h3>\n<p>\nT\u00e4nap\u00e4eval on kolm suunda, mille areng aitab muuta andmekeskuste t\u00f6\u00f6 efektiivsemaks: mitme tuumaga protsessorite kasutamine, integreeritud jahutuss\u00fcsteemid ja mikroskeemide jahutamine.<\/p>\n<p>Arvutivalmistajad usuvad, et mitme tuumaga protsessorid, l\u00f5petades rohkem \u00fclesandeid l\u00fchema aja jooksul, v\u00e4hendavad serverite energiatarbimist 40%. N\u00e4iteks Egenera ja Emerson Network Power\u2019i CoolFrame lahendus on t\u00f5hus sisseehitatud jahutuss\u00fcsteem, mis v\u00f5tab serveritest v\u00e4ljuva kuuma \u00f5hu, jahutab selle ja \"viskab\" ruumi tagasi, v\u00e4hendades sellega peamise s\u00fcsteemi koormust 23%.<\/p>\n<p>As for <noindex><a rel=\"nofollow\" href=\"https:\/\/www.research.ibm.com\/labs\/zurich\/st\/energy_efficiency\/zero_emission.html\">tehnoloogia<\/a><\/noindex> \u00dcksikutest kiipide jahutuse lahendustest on see, mis suudab suunata soojust otse serveri \"kuumadest punktidest\", nagu keskprotsessorid, graafikaprotsessorid ja m\u00e4lumoodulid, \u00fcmbruskonna \u00f5hku rack'is v\u00f5i v\u00e4ljaspool masinasaalit.<\/p>\n<p>Energiat\u00f5hususe suurendamine on t\u00e4nap\u00e4eval t\u00f5eline trend, mis ei ole \u00fcllatav, arvestades andmekeskuste energiatarbimist: 25\u201340% k\u00f5igist operatiivkuludest ulatub elektriarvete maksma. Kuid peamine probleem seisneb selles, et iga kilovatt-tund, mida IT-seadmed tarbivad, muudetakse soojuseks, mis tuleb seej\u00e4rel eemaldada jahutusmasinatega, mis n\u00f5uavad suurt energiat. Seega energiat\u00f5hususe v\u00e4hendamine andmekeskustes j\u00e4\u00e4b j\u00e4rgnevateks aastateks j\u00e4tkuvalt asjakohaseks \u2013 j\u00e4rjest uusi meetodeid energiaefektiivsuse t\u00f5stmiseks ilmub.<\/p>\n<p>Other materials from our blog on Habr:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/304290\/\">30 materjali tehnoloogiate transformatsiooni kohta<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/281815\/\">Virtuaalsusest ja \"pilvest\"<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/281811\/\">Projektidest, mis on ellu viidud pilves<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/280868\/\">30 materjali virtualiseerimise teemal<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/281803\/\">30 materjali infoturbe teemal<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/283404\/\">30 materjali pilves\u00fcsteemide turvalisuse teemal<\/a><\/noindex><\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it-grad\/blog\/310630\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u043e\u0432 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0442\u0440\u0430\u0442\u0438\u0442\u0441\u044f \u043e\u0447\u0435\u043d\u044c \u043c\u043d\u043e\u0433\u043e \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438. \u0412 2013 \u0433\u043e\u0434\u0443 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0430\u043c\u0438 \u0421\u0428\u0410 \u0431\u044b\u043b\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0430 91 \u043c\u0438\u043b\u043b\u0438\u0430\u0440\u0434\u0430 \u043a\u0438\u043b\u043e\u0432\u0430\u0442\u0442-\u0447\u0430\u0441\u043e\u0432 \u044d\u043d\u0435\u0440\u0433\u0438\u0438, \u0447\u0442\u043e \u0440\u0430\u0432\u043d\u044f\u0435\u0442\u0441\u044f \u0433\u043e\u0434\u043e\u0432\u043e\u0439 \u0432\u044b\u0440\u0430\u0431\u043e\u0442\u043a\u0435 34 \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u0443\u0433\u043e\u043b\u044c\u043d\u044b\u0445 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u043d\u0446\u0438\u0439. \u042d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u043e 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