{"id":74068,"date":"2020-03-14T02:42:21","date_gmt":"2020-03-13T23:42:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/avr-i-vse-vse-vse-avtomaticheskij-vvod-rezerva-v-data-czentre"},"modified":"2020-03-14T02:42:21","modified_gmt":"2020-03-13T23:42:21","slug":"avr-i-vse-vse-vse-avtomaticheskij-vvod-rezerva-v-data-czentre","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/avr-i-vse-vse-vse-avtomaticheskij-vvod-rezerva-v-data-czentre","title":{"rendered":"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Eelmisel postitusel r\u00e4\u00e4kisime <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/471876\/\">PDU<\/a><\/noindex> me r\u00e4\u00e4kisime, et m\u00f5nes rack'is on paigaldatud AVR \u2014 automaatne varuenergia sissel\u00fclitamine. Kuid tegelikult paigstavad andmekeskustes AVR mitte ainult riiulis, vaid kogu elektritee v\u00e4ltel. Erinevates kohtades lahendavad nad erinevaid \u00fclesandeid:<\/p>\n<ul>\n<li>peamistes jaotuspaneelides (GRSh) AVR l\u00fclitab koormuse linna toite ja diiselgeneraatorite (DGU) varutoite vahel;\u00a0\n<\/li>\n<li>katkematute toiteallikate (IBP) korral AVR l\u00fclitab koormuse p\u00f5hivoolu l\u00fclitusele (sellest r\u00e4\u00e4gime veidi hiljem);\u00a0\n<\/li>\n<li>riiulites AVR l\u00fclitab koormuse \u00fchelt sissel\u00fclituselt teisele, kui \u00fche sissel\u00fclituse korral tekib probleeme.\u00a0\n<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/a2466b2df6759cf0982df39b1b468e4c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>AVR standardses toitevarustusskeemis andmekeskustes DataLine.<\/i><\/p>\n<p>T\u00e4na r\u00e4\u00e4gime, millised AVR on ja kus neid kasutatakse.\u00a0<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nPeamisi AVR t\u00fc\u00fcpe on kaks: <b>ATS (automaatne \u00fclekandep\u00e4devus) ja STS (staatiline \u00fclekandep\u00e4devus)<\/b>. Need ja neid kasutatakse erinevate \u00fclesannete t\u00e4itmiseks. L\u00fchidalt \u00f6eldes on STS arenenum ATS. See l\u00fclitab koormust kiiremini ja kasutatakse sagedamini suurte koormuste voogude jaoks. See on seadistustes paindlikum, kuid on v\u00f5rgu suhtes \u201ekapriisne\u201d: v\u00f5ib t\u00f6\u00f6tamast keelduda, kui kaks sisendit on erinevatest allikatest, n\u00e4iteks: transformaatork\u00e4igust ja DG-st.\u00a0\u00a0<\/p>\n<h2>AVR GRSh<\/h2>\n<p>\u00a0<br \/>\nKeskne AVR andmekeskuses n\u00e4gi v\u00e4lja nagu keeruline kontaktorite ja releede s\u00fcsteem kaksk\u00fcmmend aastat tagasi.<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/b481efb2947821f650b56e791f8622a9.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>AVR 2000. aastate algusest.<\/i><\/p>\n<p>Praegu on AVR kompaktne mitmeotstarbeline seade.<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/34b839b2402c97916b8cb3681989a798.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAVRi s\u00fcsteem GRSh juhib sisendautomaatikuid ja annab k\u00e4sklusi DG k\u00e4ivitamiseks ja peatamiseks. Kui koormus \u00fcletab 2 MW, ei ole GRSh tasemel kiirus oluline. Isegi kui l\u00fclitamine toimub kiiresti, kulub aega, et DG k\u00e4ivituks. Selles s\u00fcsteemis kasutatakse aeglasemaid ATS-e ning seavad viivitusi (asetusi). See t\u00f6\u00f6tab j\u00e4rgmiselt: kui andmekeskuse toitmine transformaatoreilt katkeb, k\u00e4sib AVR seadmetele: \u201eTransformaator, l\u00fclitu v\u00e4lja. Ootame n\u00fc\u00fcd 10 sekundit (asetus), DG, l\u00fclitu sisse, ootame veel 10 sekundit.\u201d\u00a0<\/p>\n<h2>AVR UPS-is\u00a0\u00a0<\/h2>\n<p>\nVaatame UPS-i n\u00e4itel, kuidas t\u00f6\u00f6tab teine AWR-t\u00fc\u00fcp \u2014 STS ehk staatiline \u00fclekandswitch.<\/p>\n<p>UPS-is muudetakse vahelduvvool \u00fchtseks vooluks sirge p\u00f6\u00f6rdemootori abil. Seej\u00e4rel muundatakse see inverteris tagasi vahelduvaks vooluks, kuid juba stabiilsete parameetritega. See k\u00f5rvaldab h\u00e4ired ja parandab energia kvaliteeti. Kui peamine toiteallikas on v\u00e4lja l\u00fclitatud, <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/310356\/\">UPS l\u00fclitub<\/a><\/noindex> akuakkude peale ja toitmiseks andme keskuses, kuni generaatorid hakkavad t\u00f6\u00f6le.\u00a0<\/p>\n<p>Aga mis juhtub, kui mingit komponenti \u2014 sirge voolu muundurit, inverterit v\u00f5i akusid \u2014 peaks rikki minema? Selleks igaks juhuks on igas UPS-is \u00fcmbersuunamismehhanism ehk bypass. Sellega j\u00e4tkab seade t\u00f6\u00f6d, m\u00f6\u00f6da minnes peamistest komponentidest, otse sissesesendust. Samuti kasutatakse bypassi, kui on vaja UPS v\u00e4lja l\u00fclitada ja remonti viia.\u00a0<\/p>\n<p>STS on UPS-is vajalik, et ohutult l\u00fclituda bypass sisendi peale. Kui l\u00fchidalt \u00f6elda, siis STS j\u00e4lgib v\u00f5rgu parameetreid sissetulekul ja v\u00e4ljundil, ootab, kuni need kattuvad, ja l\u00fclitub ohututes tingimustes.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/98c688d0f0e28a6ef697e096b03d87d1.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>AWR riiulis\u00a0<\/h2>\n<p>\nNii et, kabinett on \u00fchendatud kahe toiteallikaga. Kui teie seadmel on kaks toiteblokaadi, saate selle rahulikult \u00fchendada erinevatesse PDU-desse, ja \u00fche toiteallika kadumine ei ole murettekitav. Aga kui teie serveril on ainult \u00fcks toiteplokk?\u00a0<br \/>\nKabinettis kasutatakse AVR-i, et kahe sisendi kasu ei l\u00e4heks kaduma. Kui \u00fche sisendiga on probleeme, suunab AVR koormuse teisele sisendile.<\/p>\n<blockquote><p>M\u00e4rkus: Kui v\u00f5imalik, v\u00e4ltige seadmeid, millel on ainult \u00fcks toiteplokk, et mitte tekitada s\u00fcsteemis riket. Edasi n\u00e4itame, millised on sellise \u00fchenduskaabli puudused.\u00a0<\/p><\/blockquote>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/3a2e45499d687ffcd983f88add5958cb.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAVRi \u00fclesanne kabinetis on vahetada seade t\u00f6\u00f6kindlale sisendile nii kiiresti, et selle toimimises ei oleks katkestusi. Vajalik kiirus leiti katsetamise k\u00e4igus: mitte rohkem kui 20 ms. Vaatame, kuidas seda avastati.<\/p>\n<p>Serveri varustus rikkeid p\u00f5hjustavad pinget\u00f5usud (n\u00e4iteks alajaamade t\u00f6\u00f6de, suurte koormuste \u00fchendamise v\u00f5i avarii t\u00f5ttu). Selleks, et illustreerida, kuidas seadmed taluvad erinevat pingelanguse amplituudi ja kestust, on loodud elektriseadmete ohut\u00f6\u00f6 k\u00f5verad CBEMA (Computer and Business Equipment Manufacturers Association). N\u00fc\u00fcd tuntakse neid kui ITIC k\u00f5veraid (Information Technology Industry Council) ning nende variandid on lisatud IEEE 446 ANSI standarditesse (see on sarnane meie GOSTide s\u00fcsteemile).<\/p>\n<p>Kontrollime graafikut. Meie \u00fclesanne on tagada, et seadmed t\u00f6\u00f6taksid \"rohelises tsoonis\". ITIC k\u00f5veral n\u00e4eme, et seade suudab taluda maksimum 20 ms pingelangust. Seet\u00f5ttu keskendume sellele, et UPS seisund t\u00f6\u00f6taks 20 ms jooksul, veel parem \u2014 kiiremini.\u00a0\u00a0\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/fe6c9e359801283c2868ae758421fb33.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Allikas: <noindex><a rel=\"nofollow\" href=\"https:\/\/www.meandr.ru\/itic\">meandr.ru<\/a><\/noindex>.<\/i><\/p>\n<p><b>UPS seade<\/b>. T\u00fc\u00fcpiline UPS (ATS) meie andmekeskuses v\u00f5tab 1 ruutmeetri ja talub koormust 16 A.\u00a0<\/p>\n<p>K\u00fcljelt n\u00e4eme, milliselt sisendilt UPS toidetakse ning kui palju \u00fchendatud seadmed tarbivad amprites. Eraldi nuppu vajutades valime, kas eelistada esimest v\u00f5i teist sisendit. Paremal \u2014 portide \u00fchendamine UPS-iga:\u00a0<\/p>\n<ul>\n<li>Ethernet port \u2014 monitoringu \u00fchendamiseks;\n<\/li>\n<li>Seeriaport \u2014 p\u00e4\u00e4se l\u00e4bi s\u00fclearvuti ja vaata logisid, mis toimub;\u00a0\n<\/li>\n<li>USB \u2014 sisesta v\u00e4lkm\u00e4lu ja uuenda p\u00fcsivara.\u00a0\n<\/li>\n<\/ul>\n<p>\nPordid on omavahel vahetatavad: neid k\u00f5iki toiminguid on v\u00f5imalik teha, kui ligip\u00e4\u00e4s on v\u00e4hemalt \u00fchele neist.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/db6b2698981c08e3cae0402a757dab09.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTagak\u00fcljel on pistikud p\u00f5hivoolu ja varuvoolu \u00fchendamiseks ning toitegrupp IT-seadmete \u00fchendamiseks.<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/6e44f4fd995ba6e30a6f1c629c11b9db.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA\u00dcR-i \u00fcksikasjalikke omadusi vaatame veebiliidese kaudu. Seal seadistatakse l\u00fclitamise tundlikkus ja n\u00e4htavad logid.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/370a1d72c373d86738fa7676972b2cef.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>A\u00dcR-i veebiliides.<\/i><\/p>\n<p><b>A\u00dcR-i paigaldamine ja \u00fchendamine<\/b>. A\u00dcR-i on parem paigaldada riiuli keskele. Kui me ei tea eelnevalt riiuli koostisosade kohta, siis suudab seadistus \u00fche toiteplokiga ulatuda juhtmetega nii alumisest kui ka \u00fclemisest osast.\u00a0\u00a0<\/p>\n<p>Aga edasi on n\u00fcansse: standardse riiuli s\u00fcgavus on palju suurem kui A\u00dcR-i s\u00fcgavus. Soovitame selle paigaldada nii l\u00e4hedale k\u00fclmale koridorile kui v\u00f5imalik kahes p\u00f5hjusel:<\/p>\n<ol>\n<li>Juurdep\u00e4\u00e4s esipaneelile. Kui paigaldada A\u00dcR l\u00e4hemale sooja koridorile, n\u00e4eme indikaatorit, kuid ei saa sellele portsude kaudu ligi. Seega ei saa me logisid vaadata ega seadet taask\u00e4ivitada.\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/77f79924003d1024e9bfb81072d483c1.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/5f8c4092a0f8bff5802ec42abd79839c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Kusagil, s\u00fcgaval, vilgub AVR \u2014 sadamasse ei p\u00e4\u00e4se enam.<\/i>\n<\/li>\n<li>K\u00fclma jahutamine. AVR-i soovitatakse kasutada temperatuuril mitte \u00fcle 45\u00b0C. Samuti ei ole tal oma f\u00e4nne jahutamiseks, see on lihtsalt metallseade elektroonika koostisosadega. K\u00fclma hoidmiseks toetatakse \u00f5ige temperatuuri kahte moodust:\u00a0\n<\/li>\n<\/ol>\n<p><\/p>\n<ul>\n<li>\u00f5huvoogudega, mis puhuvad sellele v\u00e4ljast;\u00a0\n<\/li>\n<li>kinneerimisega, mis viib liigse sooja minema.\n<\/li>\n<\/ul>\n<p>\nKui paigaldada AVR kuuma koridori poole ja lisaks suruda see serverite kihiga, siis saame ahju. Parimal juhul p\u00f5letab AVR v\u00e4lja ja kaotab \u00fchenduse v\u00e4lismaailmaga, halvimal juhul hakkab see kaootiliselt koormust vahetama v\u00f5i loobub sellest.<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/2213c7861d72f2f97ea5f8035556e4b5.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>AVR on kuuma koridori poole.<\/i><\/p>\n<blockquote><p>Oli selline juhtum. Insener kuulis ringk\u00e4igul ebat\u00fc\u00fcpilisi klikke.<br \/>\nKuuma koridori s\u00fcgavustest serveerijate kuhja alt leiti AVR, mis pidevalt vahetas peamiselt varuvoolu peale.\u00a0<\/p>\n<p>AVR vahetati v\u00e4lja. Logid n\u00e4itasid, et terve n\u00e4dala jooksul vahetas see iga sekundi j\u00e4rel \u2014 kokku \u00fcle poole miljoni l\u00fclituse. Just nii see <noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/BtXqXXvHcks\">oli<\/a><\/noindex>\n<\/p><\/blockquote>\n<p><\/p>\n<h3>Milliseid teisi AVR-e kapis on<\/h3>\n<p>\n<b>Sissejuhatus ATS-ile kapis<\/b>. Meie andmekeskuses toimib selline UPS peamise toitejaotusena rackis: t\u00f6\u00f6tab nagu UPS+PDU. V\u00f5tab mitu ruumi, talub koormust 32 A, \u00fchendub t\u00f6\u00f6stuslike pistikutega ja v\u00f5ib toita kuni 6 kW varustust. Seda saab kasutada, kui pole v\u00f5imalik paigaldada standardseid PDU-d, ja kui \u00fches t\u00fckis varustus rackis ei tohi teenindada kriitilisi koormusi.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/1b366a2a7b31d633266ec3e0df0495fe.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Racki STS<\/b>. STS rackis on m\u00f5eldud seadmete jaoks, mis on tundlikud pingek\u00f5ikumistele. See UPS l\u00fclitub kiiremini kui ATS.\u00a0<br \/>\n\u00a0<br \/>\n<img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/e45afa3bd64fdd094c2feb591eac45d8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>See konkreetne STS v\u00f5tab 6 ruumi ja sellel on veidi 'vintage' liides.<\/i><\/p>\n<p><b>Mini-UPS<\/b>. On ka selliseid v\u00e4ikeseid seadmeid, kuid meie andmekeskuses neid ei leidu. See on mini-UPS \u00fchele serverile.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/ee1b9c7c144ade76b10ab6d1eb6267e1.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>See UPS \u00fchendub otse serveri toiteplokki.<\/i><\/p>\n<h3>Kuidas me otsime ideaalset UPS-i<\/h3>\n<p>\nMe testime palju erinevaid UPS-e ja kontrollime, kuidas nad kuumades tingimustes k\u00e4ituvad. <\/p>\n<p>Nii proovime UPS-e, et seda kontrollida:\u00a0<\/p>\n<ul>\n<li>\u00fchendame selle kvaliteedi registriga, serveri ja veel paar seadmeid koormuseks;\n<\/li>\n<li>isoleerime racki pistikute v\u00f5i fooliumiga, et saavutada k\u00f5rge temperatuur;\n<\/li>\n<li>k\u00fcsimus kuni 50\u00b0\u0421;\n<\/li>\n<li>l\u00fclitame sisse jadas 20 korda;\n<\/li>\n<li>vaatame, kas voolu katkestusi on olnud, kuidas server end tunneb;\n<\/li>\n<li>kui AVR l\u00e4bib testi \u2014 k\u00fcpsetame kuni 70\u00b0\u0421.\n<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/d95341812bc80a0de04bda92cf9a93db.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Termokaamera pilt \u00fchest katsetusest.<\/i><\/p>\n<p><img decoding=\"async\" alt=\"AVR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varuenergia sissel\u00fclitamine andmekeskuses\" src=\"\/wp-content\/uploads\/2020\/03\/75d75c0727753e1184b95569322268dc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>V\u00f5rguanal\u00fcsaator j\u00e4lgib pinget ajas. Salvestusest n\u00e4eme, kui kaua \u00fcleminek kestis: sel hetkel katkestati sinusoid.<\/i><\/p>\n<p>Muide, v\u00f5tame AVR testimiseks: kontrollime teie seadmest vastupidavust ja r\u00e4\u00e4gime, mis tulemused tulid \ud83d\ude09\u00a0<\/p>\n<h4>AVR rackis: varjatud oht<\/h4>\n<p>\nPeamine probleem AVR rackis on see, et see suudab ainult koormust p\u00f5hivoolu pealt reservvoolule l\u00fclitada, kuid ei kaitse l\u00fchise v\u00f5i \u00fclekoormuse eest. Kui toiteplokil toimub l\u00fchis, siis kaitse \u00fclemine l\u00fclitaja astub sisse: PDU-s v\u00f5i jaotuskilbis. Tulemusena katkestatakse \u00fcks toiteallikas, AVR m\u00f5istab seda ja l\u00fclitab teisele toiteallikale. Kui l\u00fchis veel j\u00e4\u00e4b, siis teise toiteallika automaatne kaitsel\u00fcliti l\u00e4heb ka sisse. Seet\u00f5ttu v\u00f5ib probleemi t\u00f5ttu \u00fche seadme t\u00f5ttu kogu rack v\u00e4lja l\u00fclituda.<\/p>\n<p>Seega kordaksin veel kord: m\u00f5elge tuhat korda, enne kui paigaldate A\u00dcR-i racki ja kasutate seadmeid, millel on \u00fcks toiteplokk.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/492016\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u043f\u043e\u0441\u0442\u0435 \u043f\u0440\u043e PDU \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438, \u0447\u0442\u043e \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0442\u043e\u0439\u043a\u0430\u0445 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u0410\u0412\u0420 \u2014\u00a0 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0432\u0432\u043e\u0434 \u0440\u0435\u0437\u0435\u0440\u0432\u0430. \u041d\u043e \u043d\u0430 \u0441\u0430\u043c\u043e\u043c \u0434\u0435\u043b\u0435 \u0432 \u0426\u041e\u0414\u0435 \u0410\u0412\u0420 \u0441\u0442\u0430\u0432\u044f\u0442 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0441\u0442\u043e\u0439\u043a\u0435, \u043d\u043e \u0438 \u043d\u0430 \u0432\u0441\u0435\u043c \u043f\u0443\u0442\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u0430. \u0412 \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u0435\u0441\u0442\u0430\u0445 \u043e\u043d\u0438 \u0440\u0435\u0448\u0430\u044e\u0442 \u0440\u0430\u0437\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u0447\u0438: \u0432 \u0433\u043b\u0430\u0432\u043d\u044b\u0445 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0449\u0438\u0442\u0430\u0445 (\u0413\u0420\u0429) \u0410\u0412\u0420 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043c\u0435\u0436\u0434\u0443 \u0432\u0432\u043e\u0434\u043e\u043c \u043e\u0442 \u0433\u043e\u0440\u043e\u0434\u0430 \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":74069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-74068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u043f\u043e\u0441\u0442\u0435 \u043f\u0440\u043e PDU \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438, \u0447\u0442\u043e \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 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content=\"2020-03-13T23:42:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-03-13T23:42:21+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47A\u00dcR ja k\u00f5ik, k\u00f5ik, k\u00f5ik: automaatne varusisendi seadistus andmekeskuses | ProHoster","description":"Eelmises postituses PDU-st r\u00e4\u00e4kisime, et m\u00f5nedes rackides on paigaldatud A\u00dcR - automaatne varusisendi seadistus. Kuid tegelikult paigaldatakse A\u00dcR andmekeskuses mitte ainult racki, vaid ka kogu elektriteele. Erinevates kohtades lahendatakse erinevaid \u00fclesandeid: peamistes jaotuskilbides (G\u00dcK) A\u00dcR vahetab koormust linna sisendi ja","canonical_url":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/avr-i-vse-vse-vse-avtomaticheskij-vvod-rezerva-v-data-czentre","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0410\u0412\u0420 \u0438 \u0432\u0441\u0435, \u0432\u0441\u0435, \u0432\u0441\u0435: \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0432\u0432\u043e\u0434 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