{"id":39054,"date":"2019-10-31T22:27:36","date_gmt":"2019-10-31T19:27:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/pdu-i-vse-vse-vse-raspredelenie-pitaniya-v-stojke\/"},"modified":"2019-10-31T22:27:36","modified_gmt":"2019-10-31T19:27:36","slug":"pdu-i-vse-vse-vse-raspredelenie-pitaniya-v-stojke","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/pdu-i-vse-vse-vse-raspredelenie-pitaniya-v-stojke","title":{"rendered":"PDU ja k\u00f5ik muu: toitejaotamine rack'is","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/f9bef79a08830d148713955665b987e6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u00dcks siseriistade virtualiseerimise rackidest. Oleme vaeva n\u00e4inud kaablite v\u00e4rvikodeerimisega: oran\u017e t\u00e4histab paaritut toite sisenemist, roheline \u2013 paaritut. <\/i><\/p>\n<p>Me r\u00e4\u00e4gime sagedamini \"suurt\u00e4htedest\" \u2013 chillereid, DGU-sid, GRSh. T\u00e4na r\u00e4\u00e4gime \"pisidetailidest\" \u2013 rackides olevatest toitepesadest, mida tuntakse ka kui Power Distribution Unit (PDU). Meie andmekeskustes on \u00fcle 4000 racki, mis on IT-seadmete t\u00e4is, seega olen n\u00e4inud palju erinevat: klassikalisi PDU-sid, \"nutikaid\" \u2013 j\u00e4lgimise ja haldamisega, tavalisi toiteplokke. T\u00e4na r\u00e4\u00e4gin, millised PDU-d on olemas ja mida on parem valida konkreetses olukorras. <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Millised PDU-d on olemas<\/h3>\n<p>\n<b>Lihtne toiteplokk.<\/b> Jah, just see, mis on iga\u00fche kodus v\u00f5i kontoris. <br \/>\nFormaalsetel p\u00f5hjustel ei ole see t\u00e4iesti PDU t\u00f6\u00f6stusliku kasutuse m\u00f5ttes IT-seadmete rackides, kuid ka neil seadmetel on oma austajad. Ainus pluss selle lahenduse puhul on odavus (hind algab 2000 rubla). Veel v\u00f5ivad need aidata, kui kasutad avatud racke, kuhu standardne PDU ei mahu, ja ei taha kaotada unitte horisontaalsete PDU-de jaoks. See on taas k\u00fcsimus kokkuhoiust.<\/p>\n<p>Miinuseid on palju rohkem: sellistel seadmetel pole alati sisemist kaitset l\u00fchise ja \u00fclekoormuse eest, ei saa j\u00e4lgida n\u00e4itajaid ja veel v\u00e4hem juhtida toitepesasid. K\u00f5ige sagedamini paigutatakse need racki alla. See ei ole k\u00f5ige mugavam asukoht seadmete \u00fchendamiseks. <\/p>\n<p>Kokkuv\u00f5ttes v\u00f5ib \"pilotide\" kasutamine olla m\u00f5ttekas, kui:<\/p>\n<ul>\n<li>teil on tuhandeid servereid ja peate kokku hoidma, <\/li>\n<li>saate endale lubada pimesi seadmete \u00fchendamist, teadmata, mis tegeliku tarbimisega toimub,<\/li>\n<li>olete valmis seadmete seiskamiseks. <\/li>\n<\/ul>\n<p>\nMe ei kasuta sellist, kuid meil on kliente, kes kasutavad seda \u00fcsna edukalt. T\u00f5si, nad ehitavad oma teenuste jaoks infrastruktuuri nii, et k\u00fcmnete serverite rike ei m\u00f5juta kliendi rakenduse t\u00f6\u00f6d. <\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/a065f555adffbdbfc9cf29fcdf4e628c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Odav ja efektiivne.<\/i><\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/b0de3676bf2ec00134dfe95a276cb6b4.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Vertikaalne paigutus.<\/i><\/p>\n<p><b>\"T\u00fc\u00fcbid\" PDU.<\/b> Tegelikult on see klassikaline PDU, mida kasutatakse IT-seadmete riiulites, ja see on juba hea. Neil on sobiv vormifaktor paigaldamiseks riiuli k\u00fclgedel, mis muudab seadmete \u00fchendamise mugavaks. Olemas on sisemine kaitse. Sellistel PDU-del puudub j\u00e4lgimine, mis t\u00e4hendab, et me ei saa teada, kui palju energia tarbivad seadmed ja mis \u00fcldse toimub. Selliseid PDU-sid on meil peaaegu alles j\u00e4\u00e4nud ning need on \u00fcldiselt aeglaselt massilisest kasutusest v\u00e4lja suundumas.<\/p>\n<p>Selliste PDU-de hind algab 25 000 rubla.<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/fb16a6c0008306f4c6818a8a5a3675be.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>\u201eNutikas\u201d PDU koos j\u00e4lgimisega.<\/b> Neil seadmetel on \u201eaju\u201c, mis suudab j\u00e4lgida energiatarbimise parameetreid. Olemas on ekraan, kuhu kuvatakse peamised n\u00e4itajad: pinge, vool ja v\u00f5imsus. Nende j\u00e4lgimist saab teha eraldi pistikupesade r\u00fchmade kaupa: sektsioonide v\u00f5i pankade kaupa. Sellisele PDU-le saab kaugjuurdep\u00e4\u00e4su, et seadistada andmete saatmist j\u00e4lgimiss\u00fcsteemi. Nad salvestavad logisid, mille abil saab n\u00e4ha, mis t\u00e4pselt nende seadmega on juhtunud, n\u00e4iteks millal PDU v\u00e4lja l\u00fclitus.<\/p>\n<p>Samuti oskavad nad arvutada tarbimist (kWh) tehniliseks arvestuseks, et m\u00f5ista, kui palju riiul tarbib teatud aja jooksul. <\/p>\n<p>Need on standardsed PDU-d, mida pakume oma klientidele rendiks, ja selliseid PDU-sid on meie andmekeskustes enamus.<\/p>\n<p>Kui otsustate osta, valmistuge maksma alates 75 000 rubla t\u00fckk.<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/1525246e5893f9ff3c2b52621adbd467.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/830cec7968a7e6f331d4b2841c276e9d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/5afaacf9bf9a4adb72eae7ec6889c072.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Graafik meie sisemisest PDU j\u00e4lgimisest.<\/i><\/p>\n<p><b>\u201eNutikas\u201d PDU koos juhtimisega.<\/b> \u00dclaltoodud funktsioonidele lisandub nende PDU-de puhul juhtimine. K\u00f5ige arenenumad PDU-d suudavad juhida ja j\u00e4lgida iga pesa: saab sisse ja v\u00e4lja l\u00fclitada, mis on vajalik olukordades, kus tuleb serverit kaugtarkvara kaudu taask\u00e4ivitada. Seesuguste PDU-de ilu ja oht on see, et tavaline kasutaja v\u00f5ib teadmatusest siseneda veebiliidesesse, midagi vajutada ja \u00fche hoobiga taask\u00e4ivitada v\u00f5i v\u00e4lja l\u00fclitada kogu s\u00fcsteemi. Jah, s\u00fcsteem hoiatab kaks korda tagaj\u00e4rgedest, kuid praktika n\u00e4itab, et isegi h\u00e4iresignaalid ei kaitse alati m\u00f5tlematute kasutajate tegevuste eest. <\/p>\n<p>Suur probleem \u201enutikate\u201d PDU-dega on \u00fclekuumenemine ja kontrolleri ning ekraani rike. PDU-sid paigaldatakse tavaliselt riiuli tagak\u00fcljele, kus voolab v\u00e4lja kuum \u00f5hk. Seal on palav ja kontrollerid ei suuda taluda. Sellisel juhul ei pea tervet PDU-d v\u00e4lja vahetama, kontrollerit saab kuuma vahetada. <\/p>\n<p>Ja hind on t\u00f5esti k\u00f5rge \u2013 alates 120 000 rubla.<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/e60a0801cc84efecbce8a462648dd122.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>PDU, mida saab juhtida, saab teada iga pesa all oleva indikaatori j\u00e4rgi.<\/i><\/p>\n<p>Minu arvates on PDU juhtimisfunktsioon maitse asi, kuid j\u00e4lgimine on h\u00e4davajalik. Ilma selleta ei saa j\u00e4lgida tarbimist ja koormust. Miks see on oluline, selgitan natuke hiljem. <\/p>\n<h3>Kuidas arvutada vajalik PDU v\u00f5imsus?<\/h3>\n<p>\nEsmapilgul tundub see k\u00fcllaltki lihtne: PDU v\u00f5imsus valitakse vastavalt riiuli v\u00f5imsusele, kuid siin on n\u00fcansid. Oletame, et vajate 10 kW riiulit. PDU tootjad pakuvad mudeleid 3, 7, 11, 22 kW. Valite 11 kW, ja kahjuks on see vale otsus. Me peame valima 22 kW. Miks me vajame nii suurt varu? N\u00fc\u00fcd selgitan.<\/p>\n<p>Esiteks, tootjad tihti n\u00e4itavad PDU v\u00f5imsust kilovattides, mitte kilovolt-ampeerides, mis on \u00f5igem, kuid mitte ilmselge tavalisele tarbijale.<br \/>\nM\u00f5nikord tekitavad tootjad ise t\u00e4iendavat segadust:<\/p>\n<p>Siin r\u00e4\u00e4gitakse alguses 11 kW-st,<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/d9f76cadc92a2586358c6a011fc53db2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKuid detailses kirjelduses on juba juttu 11000 VA-st:<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/8c314e7b707d62d7b757787e0f66459f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKui tegelete veekeetjatega ja sarnaste tarbijatega, siis kW ja kVA vahel ei ole erinevust. 10 kW riiul veekeetjatega tarbib 10 kVA. Kuid kui meil on IT-seade, siis seal tuleb m\u00e4ngu koefitsient (cos \u03c6): mida uuem on seade, seda l\u00e4hemal see koefitsient on \u00fchele. IT-seadmete puhul v\u00f5ib keskmiselt arvestada 0,93\u20130,95. Seega 10 kW IT-ga riiul tarbib 10,7 kVA. Siin on valem, mille abil me saime 10,7 kVA.<\/p>\n<p><i>P\u043f\u043e\u043b\u043d.= P\u0430\u043a\u0442. \/ Cos(\u03c6)<br \/>\n10 \/ 0.93 = 10.7 kVA<\/i><\/p>\n<p>K\u00fcsite \u00f5igustatud k\u00fcsimuse, miks 10,7 on v\u00e4hem kui 11. Miks me vajame PDU-d 22 kW? On teinegi aspekt: seadmete energiatarbimine s\u00f5ltub p\u00e4eva ajast ja n\u00e4dalap\u00e4evast. Toitejaotamisel tuleb arvestada seda momenti ja j\u00e4tta ~10% k\u00f5ikumiseks ja t\u00f5usudeks, et PDU ei l\u00e4heks \u00fclekoormusse ja ei j\u00e4taks seadmeid vooluta.<\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/e45b43aeb146aaabfd5915e35a959731.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>10 kW riiuli tarbimise graafik 4 p\u00e4eva jooksul.<\/i><\/p>\n<p>Seega peame juba olemasolevale 10,7 kW-le lisama veel 10%, ja l\u00f5puks ei sobi PDU 11 kW meile enam.<\/p>\n<table>\n<tr>\n<td>PDU mudel\n<\/td>\n<td>Faaside arv\n<\/td>\n<td>Tootja v\u00f5imsus, kVA\n<\/td>\n<td>DtLN v\u00f5imsus, kW\n<\/td>\n<\/tr>\n<tr>\n<td><noindex><a rel=\"nofollow\" href=\"https:\/\/www.se.com\/ru\/ru\/product\/AP8858_APC\/%D1%81%D1%82%D0%BE%D0%B5%D1%87%D0%BD%D1%8B%D0%B9-%D0%B1%D1%80%D0%BF-2g%2C-%D1%81-%D0%BF%D1%80%D0%B8%D0%B1%D0%BE%D1%80%D0%B0%D0%BC%D0%B8-%D1%83%D1%87%D0%B5%D1%82%D0%B0%2C-0u%2C-20%C2%A0a-208%C2%A0%D0%B2%2C-16%C2%A0a-230%C2%A0%D0%B2%2C-%2818%29-c13-%D0%B8-%282%29-c19\/?range=61795-%25d0%25b8%25d0%25b7%25d0%25bc%25d0%25b5%25d1%2580%25d0%25b8%25d1%2582%25d0%25b5%25d0%25bb%25d1%258c%25d0%25bd%25d1%258b%25d0%25b5-%25d0%25b1%25d1%2580%25d0%25bf-%25d1%2581%25d1%2582%25d0%25be%25d0%25b5%25d1%2587%25d0%25bd%25d0%25be%25d0%25b3%25d0%25be-%25d0%25b8%25d1%2581%25d0%25bf%25d0%25be%25d0%25bb%25d0%25bd%25d0%25b5%25d0%25bd%25d0%25b8%25d1%258f&amp;filter=business-3-%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B-%D1%80%D0%B5%D0%B7%D0%B5%D1%80%D0%B2%D0%BD%D0%BE%D0%B3%D0%BE-%D0%BF%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D1%8F-%D0%B8-%D0%BE%D1%85%D0%BB%D0%B0%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&amp;parent-category-id=7400&amp;parent-subcategory-id=7410\">AP8858<\/a><\/noindex>\n<\/td>\n<td>1 faas\n<\/td>\n<td>3,7\n<\/td>\n<td>3\n<\/td>\n<\/tr>\n<tr>\n<td><noindex><a rel=\"nofollow\" href=\"https:\/\/www.se.com\/ru\/ru\/product\/AP8853_APC\/%D1%81%D1%82%D0%BE%D0%B5%D1%87%D0%BD%D1%8B%D0%B9-%D0%B1%D1%80%D0%BF-2g%2C-%D1%81-%D0%BF%D1%80%D0%B8%D0%B1%D0%BE%D1%80%D0%B0%D0%BC%D0%B8-%D1%83%D1%87%D0%B5%D1%82%D0%B0%2C-0u%2C-32%C2%A0a%2C-230%C2%A0%D0%B2%2C-%2836%29-c13-%D0%B8-%286%29-c19\/?range=61795-%25d0%25b8%25d0%25b7%25d0%25bc%25d0%25b5%25d1%2580%25d0%25b8%25d1%2582%25d0%25b5%25d0%25bb%25d1%258c%25d0%25bd%25d1%258b%25d0%25b5-%25d0%25b1%25d1%2580%25d0%25bf-%25d1%2581%25d1%2582%25d0%25be%25d0%25b5%25d1%2587%25d0%25bd%25d0%25be%25d0%25b3%25d0%25be-%25d0%25b8%25d1%2581%25d0%25bf%25d0%25be%25d0%25bb%25d0%25bd%25d0%25b5%25d0%25bd%25d0%25b8%25d1%258f&amp;filter=business-3-%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B-%D1%80%D0%B5%D0%B7%D0%B5%D1%80%D0%B2%D0%BD%D0%BE%D0%B3%D0%BE-%D0%BF%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D1%8F-%D0%B8-%D0%BE%D1%85%D0%BB%D0%B0%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&amp;parent-category-id=7400&amp;parent-subcategory-id=7410\">AP8853<\/a><\/noindex>\n<\/td>\n<td>1 faas\n<\/td>\n<td>7,4\n<\/td>\n<td>6\n<\/td>\n<\/tr>\n<tr>\n<td><noindex><a rel=\"nofollow\" href=\"https:\/\/www.se.com\/ru\/ru\/product\/AP8881_APC\/%D1%81%D1%82%D0%BE%D0%B5%D1%87%D0%BD%D1%8B%D0%B9-%D0%B1%D1%80%D0%BF-2g%2C-%D1%81-%D0%BF%D1%80%D0%B8%D0%B1%D0%BE%D1%80%D0%B0%D0%BC%D0%B8-%D1%83%D1%87%D0%B5%D1%82%D0%B0%2C-0u%2C-11%C2%A0%D0%BA%D0%B2%D1%82%2C-230%C2%A0%D0%B2%2C-%2836%29-c13-%D0%B8-%286%29-c19\/?range=61795-%25d0%25b8%25d0%25b7%25d0%25bc%25d0%25b5%25d1%2580%25d0%25b8%25d1%2582%25d0%25b5%25d0%25bb%25d1%258c%25d0%25bd%25d1%258b%25d0%25b5-%25d0%25b1%25d1%2580%25d0%25bf-%25d1%2581%25d1%2582%25d0%25be%25d0%25b5%25d1%2587%25d0%25bd%25d0%25be%25d0%25b3%25d0%25be-%25d0%25b8%25d1%2581%25d0%25bf%25d0%25be%25d0%25bb%25d0%25bd%25d0%25b5%25d0%25bd%25d0%25b8%25d1%258f&amp;filter=business-3-%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B-%D1%80%D0%B5%D0%B7%D0%B5%D1%80%D0%B2%D0%BD%D0%BE%D0%B3%D0%BE-%D0%BF%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D1%8F-%D0%B8-%D0%BE%D1%85%D0%BB%D0%B0%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&amp;parent-category-id=7400&amp;parent-subcategory-id=7410\">AP8881<\/a><\/noindex>\n<\/td>\n<td>3 faasi\n<\/td>\n<td>11\n<\/td>\n<td>9\n<\/td>\n<\/tr>\n<tr>\n<td><noindex><a rel=\"nofollow\" href=\"https:\/\/www.se.com\/ru\/ru\/product\/AP8886_APC\/%D1%81%D1%82%D0%BE%D0%B5%D1%87%D0%BD%D1%8B%D0%B9-%D0%B1%D1%80%D0%BF-2g%2C-%D1%81-%D0%BF%D1%80%D0%B8%D0%B1%D0%BE%D1%80%D0%B0%D0%BC%D0%B8-%D1%83%D1%87%D0%B5%D1%82%D0%B0%2C-0u%2C-22%2C0%C2%A0%D0%BA%D0%B2%D1%82-%2832%C2%A0%D0%B0%29%2C-17%2C3%C2%A0%D0%BA%D0%B2%D1%82-%2824%C2%A0%D0%B0%29%2C-230%C2%A0%D0%B2%2C-%D1%80%D0%BE%D0%B7%D0%B5%D1%82%D0%BA%D0%B8%3A-%2830%29-c13-%D0%B8-%2812%29-c19\/?range=61795-%25d0%25b8%25d0%25b7%25d0%25bc%25d0%25b5%25d1%2580%25d0%25b8%25d1%2582%25d0%25b5%25d0%25bb%25d1%258c%25d0%25bd%25d1%258b%25d0%25b5-%25d0%25b1%25d1%2580%25d0%25bf-%25d1%2581%25d1%2582%25d0%25be%25d0%25b5%25d1%2587%25d0%25bd%25d0%25be%25d0%25b3%25d0%25be-%25d0%25b8%25d1%2581%25d0%25bf%25d0%25be%25d0%25bb%25d0%25bd%25d0%25b5%25d0%25bd%25d0%25b8%25d1%258f&amp;filter=business-3-%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B-%D1%80%D0%B5%D0%B7%D0%B5%D1%80%D0%B2%D0%BD%D0%BE%D0%B3%D0%BE-%D0%BF%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D1%8F-%D0%B8-%D0%BE%D1%85%D0%BB%D0%B0%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&amp;parent-category-id=7400&amp;parent-subcategory-id=7410\">AP8886<\/a><\/noindex>\n<\/td>\n<td>3 faasi\n<\/td>\n<td>22\n<\/td>\n<td>18\n<\/td>\n<\/tr>\n<\/table>\n<p>\n<i>Teatud PDU mudelite v\u00f5imsustabeli fragment DataLine'i versiooni j\u00e4rgi. Arvesse on v\u00f5etud \u00fcleminek kVA-st kW-le ja varu p\u00e4eva jooksul toimuvate k\u00f5ikumiste jaoks.<\/i><\/p>\n<h3>Paigalduse erip\u00e4rad<\/h3>\n<p>\nPDU-ga on mugavam t\u00f6\u00f6tada, kui see kinnitatakse vertikaalselt riiuli vasakule ja paremale poole. Sel juhul ei v\u00f5ta see kasulikku ruumi. Tavaliselt saab riiulisse installida kuni neli PDU-d \u2014 kaks vasakul ja kaks paremal. Enamasti paigaldatakse kummaltki poolt \u00fcks PDU. Iga PDU jaoks tuleb \u00fcks toitepealik. <\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/e180fb9d97ebecdb9abdeaf3cd4e3f36.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Riiuli standardne \"varustus\" \u2014 2 PDU-d ja 1 UPS.<\/i><\/p>\n<p>M\u00f5nikord ei ole riiulis vertikaalsete PDU-de jaoks ruumi, n\u00e4iteks kui tegemist on avatud riiuliga. Sel juhul aitavad horisontaalsed PDU-d. Ainus asi on see, et pead leppima 2 kuni 4 ruumi kaotamisega riiulis, s\u00f5ltuvalt PDU mudelist. <\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/5078ae5ea5c3d66b58648b9ba7ed0ee6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Siin on PDU loonud 4 ruumi. Sellist PDU-d kasutatakse ka siis, kui on vaja eraldada kahte klienti \u00fches riiulis. Sel juhul on igal kliendil oma PDU-paar.<\/i><\/p>\n<p>Juhtub, et riiul on valitud liiga madal ja server ulatub v\u00e4lja, katab PDU-d. Siin on k\u00f5ige halvem mitte see, et osa pistikupesi j\u00e4\u00e4b kasutamata, vaid see, et kui selline PDU peaks katki minema, tuleb see riiulis maha matta v\u00f5i tuleb v\u00e4lja l\u00fclitada ja eemaldada k\u00f5ik takistavad seadmed. <\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/5883f751e1fcbfae7e6f6991b7fc1272.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u00c4ra tee nii \u2014 1.<\/i><\/p>\n<p><img decoding=\"async\" alt=\"PDU ja k\u00f5ik muu: toitejaotamine rack&#039;is\" src=\"\/wp-content\/uploads\/2019\/10\/2cebf71685e3bd9be3a8805bc482047a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u00c4ra tee nii \u2014 2.<\/i><\/p>\n<h3>Seadmete \u00fchendamine<\/h3>\n<p>\nIsegi k\u00f5ige arenenum PDU ei aita, kui seadmed on valesti \u00fchendatud ja puudub v\u00f5imalus tarbimist j\u00e4lgida. <\/p>\n<p>Mis v\u00f5ib valesti minna? Veidi <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/310356\/\">materjalidest<\/a><\/noindex>. Iga riiuli jaoks on kaks toitepealikku, standardse riiuli puhul on kaks PDU-d. Seega, igal PDU-l on oma toitepealik. Kui \u00fchega toitepealikest (loe PDU) midagi juhtub, j\u00e4tkab riiul elu teise abil. Selle s\u00fcsteemi toimimiseks tuleb j\u00e4rgida teatud reegleid. Siin on peamised (t\u00e4ieliku nimekirja leiate <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/193914\/\">siin<\/a><\/noindex>):<\/p>\n<p><b>Seadmed tuleb \u00fchendada erinevatesse PDU-desse. <\/b>Kui seadmel on \u00fcks toiteplokk ja \u00fcks pistik, \u00fchendatakse see PDU-ga l\u00e4bi UPS-i (automaatne varuenergia seadme) v\u00f5i ATS-i (Automatic Transfer Switch). Kui \u00fches toitepealikus v\u00f5i PDU-s tekib probleem, l\u00fclitab UPS seadmed tervesse PDU-sse\/toitepealikusse. Seadmed ei tunne midagi.<\/p>\n<p><b>Kaksikkoormus kahe toitepealiku\/PDU vahel.<\/b> Varurelekters on kasulik ainult siis, kui see suudab taluda langenud sisendit. Sellega seoses on oluline j\u00e4tta vahed: igat sisendit tuleks koormata v\u00e4hem kui poole normaalsest v\u00f5imsusest, ning kahe sisendi kogukoormus peaks olema alla 100% normaalsest. Ainult sel juhul suudab j\u00e4\u00e4v sisend taluda kahekordset koormust. Kui see nii ei ole, ei toimu varurelekkega \u00fcleminekut - seadmed j\u00e4\u00e4vad elektrita. Et v\u00e4ltida halvimat, me <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/324610\/\">monitoreerime<\/a><\/noindex> seda parameetrit. <\/p>\n<p><b>Koormuse tasakaalustamine PDU sektsioonide vahel.<\/b> PDU pistikupesad on r\u00fchmitatud sektsioonidesse. Tavaliselt koosneb see 2 v\u00f5i 3 elemendist. Igal sektsioonil on oma v\u00f5imsuse piirang. Oluline on mitte \u00fcletada seda ja jaotada koormus \u00fchtlaselt k\u00f5igi sektsioonide vahel. Siin kehtib ka eelpool mainitud paariskandjate p\u00f5him\u00f5te.<\/p>\n<p><b>Kokkuv\u00f5tteks<\/b><\/p>\n<ol>\n<li>Valige v\u00f5imalusel PDU, millel on j\u00e4lgimise funktsioon.<\/li>\n<li>PDU mudeli valimisel j\u00e4tke v\u00f5imsuse varu.<\/li>\n<li>Paigaldage PDU nii, et see oleks v\u00f5imalik asendada, h\u00e4irimata IT-seadmeid.<\/li>\n<li>\u00dchendage \u00f5igesti: \u00fchendage seadmed kahe PDU-ga, \u00e4rge koormake sektsioone \u00fcle ja pidage meeles paariskoormusi. <\/li>\n<\/ol>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dataline\/blog\/471876\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u0434\u043d\u0430 \u0438\u0437 \u0441\u0442\u043e\u0435\u043a \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u0417\u0430\u043c\u043e\u0440\u043e\u0447\u0438\u043b\u0438\u0441\u044c \u0441 \u0446\u0432\u0435\u0442\u043e\u0432\u043e\u0439 \u0438\u043d\u0434\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u043a\u0430\u0431\u0435\u043b\u0435\u0439: \u043e\u0440\u0430\u043d\u0436\u0435\u0432\u044b\u0439 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0439 \u0432\u0432\u043e\u0434 \u043f\u043e \u043f\u0438\u0442\u0430\u043d\u0438\u044e, \u0437\u0435\u043b\u0435\u043d\u044b\u0439 \u2013 \u0447\u0435\u0442\u043d\u044b\u0439. \u041c\u044b \u0442\u0443\u0442 \u0447\u0430\u0449\u0435 \u0432\u0441\u0435\u0433\u043e \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c \u043f\u0440\u043e \u201c\u043a\u0440\u0443\u043f\u043d\u044f\u043a\u201d \u2013 \u0447\u0438\u043b\u043b\u0435\u0440\u044b, \u0414\u0413\u0423, \u0413\u0420\u0429. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u0440\u0435\u0447\u044c \u043f\u043e\u0439\u0434\u0435\u0442 \u043e \u201c\u043c\u0435\u043b\u043e\u0447\u0430\u0445\u201d \u2013 \u0440\u043e\u0437\u0435\u0442\u043a\u0438 \u0432 \u0441\u0442\u043e\u0439\u043a\u0430\u0445, \u043e\u043d\u0438 \u0436\u0435 Power Distribution Unit (PDU). \u0412 \u043d\u0430\u0448\u0438\u0445 \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0430\u0445 \u0431\u043e\u043b\u0435\u0435 4 \u0442\u044b\u0441\u044f\u0447 \u0441\u0442\u043e\u0435\u043a, \u0437\u0430\u0431\u0438\u0442\u044b\u0445 \u0418\u0422-\u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-39054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u0434\u043d\u0430 \u0438\u0437 \u0441\u0442\u043e\u0435\u043a \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.\" \/>\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\/et\/blog\/news\/pdu-i-vse-vse-vse-raspredelenie-pitaniya-v-stojke\" 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