{"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":"\u201eIsu tagasi hoida\u201d: mitmed viisid andmekeskuste energiat\u00f5hususe t\u00f5stmiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Andmete keskuste t\u00f5husa toimimise tagamiseks kulutatakse t\u00e4na v\u00e4ga palju elektrienergiat. 2013. aastal tarbisid ainult Ameerika \u00dchendriikide andmekeskused <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/resources\/americas-data-centers-consuming-and-wasting-growing-amounts-energy\">umbes<\/a><\/noindex> 91 miljardit kilovatt-tundi energiat, mis vastab 34 suure s\u00fcsinikdioksiidi elektrijaama aastasele tootmisele.<\/p>\n<p>Elektrienergia j\u00e4\u00e4b \u00fcheks peamiseks kuluks andmekeskuste omanike seas, mist\u00f5ttu p\u00fc\u00fctakse <noindex><a rel=\"nofollow\" href=\"https:\/\/www.google.com\/about\/datacenters\/efficiency\/internal\">suurem<\/a><\/noindex> t\u00f5husus arvutusinfrastruktuuri t\u00f6\u00f6s. Selleks rakendatakse 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=\"\u201eIsu tagasi hoida\u201d: mitmed viisid andmekeskuste energiat\u00f5hususe t\u00f5stmiseks\" 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>\nR\u00e4\u00e4kides energiat\u00f5hususe suurendamisest, on virtualiseerimisel mitu vaieldamatut eelist. Esiteks, olemasolevate teenuste konsolideerimine v\u00e4iksemas koguses f\u00fc\u00fcsilisi servereid v\u00f5imaldab s\u00e4\u00e4sta riistvara hoolduskuludelt, mis t\u00e4hendab madalamaid kulutusi jahutusele, elektrienergiale ja ruumile. Teiseks v\u00f5imaldab virtualiseerimine optimeerida f\u00fc\u00fcsiliste ressursside kasutamist ja paindlikult <noindex><a rel=\"nofollow\" href=\"https:\/\/www.energystar.gov\/products\/low_carbon_it_campaign\/12_ways_save_energy_data_center\/consolidation_lightly_utilized_servers\">jaotada<\/a><\/noindex> virtuaalset v\u00f5imsust otse t\u00f6\u00f6tamise k\u00e4igus.<\/p>\n<p>Ettev\u00f5tted NRDC ja Anthesis viidi l\u00e4bi \u00fchiselt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">uuring<\/a><\/noindex> ja leidsid, et 3100 serveri asendamisel 150 virtuaalse hostiga on v\u00f5imalik saavutada elektrikulude kokkuhoid 2,1 miljonit dollarit aastas. Organisatsioon, kellele keskenduti, s\u00e4\u00e4stis seadmete hoolduselt ja ostult, v\u00e4hendas s\u00fcsteemiadministraatorite arvu, sai andmete taastamise garantiid v\u00f5imalike probleemide korral ja vabastas end vajadusest ehitada veel \u00fcks andmekeskus.<\/p>\n<p>Uuringute p\u00f5hjal <noindex>uuringud<\/noindex> Gartneri andmetel \u00fcletab 2016. aastal paljude ettev\u00f5tete virtualiseerimise tase 75%, ning kogu turg hinnatakse 5,6 miljardi dollarini. Siiski on olemas teatud tegurid, mis piiravad virtualiseerimise laialdast levikut. \u00dcks peamisi p\u00f5hjuseid on andmekeskuste \u201e\u00fclemineku\u201d uuele t\u00f6\u00f6mudelile keerukus, kuna kulud selleks \u00fcletavad sageli potentsiaalset kasu.<\/p>\n<h3>Energiatarbimise juhtimiss\u00fcsteemid<\/h3>\n<p>\nNeed s\u00fcsteemid v\u00f5imaldavad suurendada jahutuss\u00fcsteemi energiat\u00f5husust v\u00f5i v\u00e4hendada IT-seadmete energiatarbimist, mis l\u00f5puks toob kaasa kulude minimaliseerimise. Sel juhul rakendatakse erilisi <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Comparison_of_power_management_software_suites\">tarkvara<\/a><\/noindex>, mis j\u00e4lgib serverite tegevust, energiatarbimist ja energiahinda, jaotades koormust automaatselt \u00fcmber ja isegi l\u00fclitades seadmeid v\u00e4lja.<\/p>\n<p>\u00dcks energiahalduse tarkvaraliidese t\u00fc\u00fcp on andmekeskuse infrastruktuuri haldamise s\u00fcsteem (DCIM), mis on m\u00f5eldud erinevate seadmete energiat\u00f5hususe n\u00e4itajate j\u00e4lgimiseks, anal\u00fc\u00fcsimiseks ja ennustamiseks. Enamik DCIM-t\u00f6\u00f6riistu ei kasuta IT- ja muude seadmete energiatarbimise otseseks j\u00e4lgimiseks, kuid paljud s\u00fcsteemid on varustatud PUE (Power Usage Effectiveness) kalkulaatoritega. Intel ja Dell DCIM andmetel pakuvad sellised lahendused <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\">kasutavad<\/a><\/noindex> 53% IT-juhte.<\/p>\n<p>Praegu on enamik riistvarast juba suunatud energiat\u00f5husale tarbimisele, kuid riistvara ostmisel p\u00f6\u00f6ratakse sageli rohkem t\u00e4helepanu esialgsele hinnale v\u00f5i j\u00f5udlusele, mitte kogu omamiskulule, mist\u00f5ttu j\u00e4\u00e4b energiat\u00f5hus varustus <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">m\u00e4rkamata<\/a><\/noindex>. Lisaks elektriarvete v\u00e4hendamisele <noindex><a rel=\"nofollow\" href=\"http:\/\/www.greendatacenternews.org\/articles\/461317\/how-exactly-does-virtualization-reduce-your-carbon\">v\u00e4hendab<\/a><\/noindex> ka CO2 heitkoguseid atmosf\u00e4\u00e4ri.<\/p>\n<h3>Andmete kokkusurumine<\/h3>\n<p>\nOn olemas ka v\u00e4hem ilmseid l\u00e4henemisviise andmekeskuste energiat\u00f5hususe suurendamiseks, n\u00e4iteks salvestatavate andmete hulga v\u00e4hendamine. Harva kasutatavate andmete kompressioon <noindex><a rel=\"nofollow\" href=\"http:\/\/searchstorage.techtarget.com\/report\/Efficient-data-storage-A-guide-for-storage-managers\">v\u00f5ib<\/a><\/noindex> v\u00f5ib s\u00e4\u00e4sta kuni 30% energiat, isegi arvestades, et kokkusurumiseks ja dekompressiooniks tarvitatakse samuti ressursse. Andmete dedupeerimine v\u00f5ib n\u00e4idata veelgi atraktiivsemat tulemust \u2013 40\u201350%. Samuti tasub m\u00e4rkida, et energiatarbimise v\u00e4hendamisel aitab kaasa madala v\u00f5imsusega salvestusruumide kasutamine \"k\u00fclmade\" andmete jaoks.<\/p>\n<h3>Zombie-serverite v\u00e4lja l\u00fclitamine<\/h3>\n<p>\n\u00dcks problemaatilisemaid tegureid, mis viib andmekeskustes ebaefektiivse elektritarbimiseni, on seisvad seadmed. Ekspertide <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 t\u00f5eliselt hinnata vajalike ressursside kogust ning teised soetavad serveriv\u00f5imsust tuleviku jaoks. Tulemuseks on peaaegu 30% serveritest, mis seisavad t\u00f6\u00f6ta, tarbides samas energiat 30 miljardi dollari v\u00e4\u00e4rtuses aastas.<\/p>\n<p>Selle juures, vastavalt uuringule, IT-juhid <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nrdc.org\/sites\/default\/files\/data-center-efficiency-assessment-IP.pdf\">ei suuda<\/a><\/noindex> Identifitseeritakse 15 kuni 30% paigaldatud serveritest, kuid varustust ei kustutata, kartes v\u00f5imalikke tagaj\u00e4rgi. Ainult 14% k\u00fcsitletud j\u00e4lgisid kasutamata serverite arvu ja teadis nende umbkaudset kogust.<\/p>\n<p>\u00dcks lahendusi sellele probleemile on kasutada avalikke pilvi, kus makstakse kasutuse j\u00e4rgi, st ettev\u00f5te maksab ainult reaalselt kasutatud ressursside eest. Paljud ettev\u00f5tted t\u00f6\u00f6tavad juba selle mudeli alusel ning Aligned Energy andmekeskuse omanik Texas osariigis Plano v\u00e4idab, et see v\u00f5imaldab klientidel s\u00e4\u00e4sta 30 kuni 50% aastas.<\/p>\n<h3>Andmekeskuse mikrokliima juhtimine<\/h3>\n<p>\nm\u00f5jutab <noindex><a rel=\"nofollow\" href=\"http:\/\/www.itwatchdogs.com\/whitepapers\/How_to_Protect_Your_Data_Center.pdf\">ruumi mikrokliima, milles varustus asub. Jahutusinstallatsioonide t\u00f5husaks toimimiseks tuleb v\u00e4hendada k\u00fclma kadu, eraldades andmekeskuse v\u00e4liskeskkonna m\u00f5judest ja v\u00e4ltides soojuse vahetamist l\u00e4bi seinte, lae ja p\u00f5randa. Hea lahendus on aurut\u00f5ke, mis samas reguleerib ruumi niiskustaset.<\/a><\/noindex> Liigne niiskus v\u00f5ib p\u00f5hjustada mitmesuguseid varustuse t\u00f5rkeid, suurenenud kulumist ja korrosiooni, samas kui liiga madal niiskustase v\u00f5ib tekitada staatilisi elektrilaenguid.<\/p>\n<p>ASHRAE <noindex><a rel=\"nofollow\" href=\"https:\/\/tc0909.ashraetcs.org\/documents\/ASHRAE_Extended_Environmental_Envelope_Final_Aug_1_2008.pdf\">m\u00e4\u00e4ratleb andmekeskuse optimaalne suhteline niiskustase vahemikus 40\u201355%.<\/a><\/noindex> T\u00f5hus \u00f5huvoolude jaotamine v\u00f5ib samuti s\u00e4\u00e4sta 20\u201325% tarbitavast elektrienergiast. Selle eest aitab \u00f5ige seadmete rackide paigutamine: andmekeskuse masinaruumide jagamine 'k\u00fclmade' ja 'kuumade' koridorideks. See eeldab koridoride eraldamist: perforatsiooniplaatide paigaldamine vajalikesse kohtadesse ja serveriridade vahel sulgpaneelide kasutamine \u00f5huvoolude segunemise v\u00e4ltimiseks.<\/p>\n<p>Samuti tasub l\u00e4bi m\u00f5elda mitte ainult seadmete paigutus, vaid ka kliimaseadmete asukoht. Kui ruum jagatakse 'k\u00fclmade' ja 'kuumade' koridorideks, siis peaks konditsioneerid olema paigutatud risti kuumade \u00f5huvooludega, et v\u00e4ltida nende tungimist k\u00fclma \u00f5hu koridori.<\/p>\n<p>Samuti tasub l\u00e4bi m\u00f5elda mitte ainult seadmete paigutus, vaid ka kliimaseadmete asukoht. Kui saali jagatakse \"k\u00fclmadeks\" ja \"kuumadeks\" koridorideks, peaksid konditsioneerid olema paigaldatud risti kuumade \u00f5huvoogudega, et v\u00e4ltida viimaste tungimist k\u00fclma \u00f5huga koridori.<\/p>\n<p>Oluline aspekt t\u00f5husas temperatuuri haldamises andmekeskustes on ka kaablite paigutus, mis v\u00f5ib takistada \u00f5huvoolu liikumist, v\u00e4hendades staatilist r\u00f5hku ja v\u00e4hendades IT-seadmete jahutamise efektiivsust. Probleemi saab lahendada kaablikaunade liigutamisega valep\u00f5randa alt l\u00e4hemale lakke.<\/p>\n<h3>Looduslik ja vedelikjahutus<\/h3>\n<p>\nSuurep\u00e4rane alternatiiv spetsiaalsetele kliimaseadmete s\u00fcsteemidele on looduslik jahutus, mida saab kasutada k\u00fclmematel aastaaegadel. T\u00e4nap\u00e4eva tehnoloogiad v\u00f5imaldavad k\u00fcttetooturi kasutamisele \u00fcle minna, kui ilm seda lubab. Battelle Laboratories'i uuringu kohaselt v\u00e4hendab looduslik jahutus andmekeskuste elektrikulud 13% v\u00f5rra.<\/p>\n<p>Sellegipoolest on kaks t\u00fc\u00fcpi k\u00fcttetootureid: need, mis kasutavad ainult kuiva \u00f5hku, ja need, mis kasutavad t\u00e4iendavat kastmist, kui \u00f5hu jahutus on ebapiisav. M\u00f5ned s\u00fcsteemid saavad kombineerida erinevaid k\u00fcttetootureid, luues mitmekihilisi jahutuss\u00fcsteeme.<\/p>\n<p>Kuid \u00f5hu jahutuss\u00fcsteemid osutuvad sageli ebaefektiivseks, kuna \u00f5huvoolude segunemine v\u00f5i v\u00f5imaldavad kuuma \u00e4raj\u00e4tmise kasuta. Lisaks toovad selliste s\u00fcsteemide paigaldamine sageli kaasa t\u00e4iendavaid kulutusi \u00f5hufilteritele ja pidevale j\u00e4lgimisele.<\/p>\n<p>Paljud eksperdid usuvad, et vedelikjahutus t\u00e4idab oma \u00fclesannet paremini. Taani tootja Asetek'i esindaja John Hamill <noindex><a rel=\"nofollow\" href=\"http:\/\/www.businesswire.com\/news\/home\/20151112005537\/en\/Asetek-Showcase-Growing-Adoption-OEM-Solutions-SC15\">on kindel<\/a><\/noindex>, et vedelik on umbes 4000 korda t\u00f5husam soojuse hoidmisel ja edastamisel kui \u00f5hk. Lawrence Berkeley National Laboratoryi katse k\u00e4igus, mis viidi l\u00e4bi koos American Power Conversion'i ja Silicon Valley Leadership Group'iga, oli <noindex><a rel=\"nofollow\" href=\"http:\/\/escholarship.org\/uc\/item\/46b4v70v\">t\u00f5estatud<\/a><\/noindex>, et vedelikjahutuse ja jahutusvedeliku sissevoolu kasutamise korral saavutasid elektrienergia s\u00e4\u00e4stmine m\u00f5nel juhul 50% .<\/p>\n<h3>Teised tehnoloogiad<\/h3>\n<p>\nT\u00e4nap\u00e4eval on kolm suunda, mille arendamine aitab andmekeskuste t\u00f6\u00f6d efektiivsemaks muuta: mitme tuumaga protsessorite kasutamine, sisseehitatud jahutuss\u00fcsteemid ja mikroskeemide taseme jahutus.<\/p>\n<p>Arvutivalmistajad usuvad, et mitme tuumaga protsessorid, tehes rohkem \u00fclesandeid l\u00fchema aja jooksul, v\u00e4hendavad serverite energiatarbimist 40%. N\u00e4iteks Egenera ja Emerson Network Power'i CoolFrame lahendus on efektiivne sisseehitatud jahutuss\u00fcsteem: see t\u00f5mbab kuuma \u00f5hu, mis v\u00e4ljub serveritest, jahutab seda ja \"vabastab\" ruumi, v\u00e4hendades p\u00f5hiseadmestiku koormust 23% v\u00f5rra.<\/p>\n<p>Mis puudutab <noindex><a rel=\"nofollow\" href=\"https:\/\/www.research.ibm.com\/labs\/zurich\/st\/energy_efficiency\/zero_emission.html\">tehnoloogia<\/a><\/noindex> kiipide jahutamise korral v\u00f5imaldab see sooja eemaldada otse serveri \"kuumadest punktidest\", nagu keskprotsessorid, graafikaprotsessorid ning m\u00e4lu moodulid, \u00fcmbritsevast \u00f5hust serveririiulis v\u00f5i masinaruumist v\u00e4lja.<\/p>\n<p>Energiaefektiivsuse t\u00f5us on t\u00e4nap\u00e4eval t\u00f5eline trend, mis pole \u00fcllatav, arvestades andmekeskuste energiatarbimist: 25\u201340% k\u00f5igist operatiivkuludest kulub elektriarvete tasumiseks. Kuid peamine probleem on selles, et iga kilovatt-tunn, mida IT-seadmed tarbivad, muudetakse soojuseks, mis eemaldatakse jahutusseadmete abil, n\u00f5udes samuti palju energiat. Seet\u00f5ttu j\u00e4\u00e4b andmekeskuste energiatarbimise v\u00e4hendamine j\u00e4rgnevate aastate jooksul aktuaalseks \u2013 j\u00e4tkuvalt tulevad v\u00e4lja uued viisid andmekeskuste energiaefektiivsuse t\u00f5stmiseks.<\/p>\n<p>Teised materjalid meie blogist Habras:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/304290\/\">30 materjali tehnoloogiate transformatsioonist<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/281815\/\">Virtualiseerimise ja \"pilve\" kohta<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habrahabr.ru\/company\/it-grad\/blog\/281811\/\">Pilves ellu viidud projektide kohta<\/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 pilveskaitse 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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