{"id":35725,"date":"2019-10-31T22:05:58","date_gmt":"2019-10-31T19:05:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/davlenie-v-norme-zachem-tsodu-kontrol-podpora-vozduha\/"},"modified":"2019-10-31T22:05:58","modified_gmt":"2019-10-31T19:05:58","slug":"davlenie-v-norme-zachem-tsodu-kontrol-podpora-vozduha","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/davlenie-v-norme-zachem-tsodu-kontrol-podpora-vozduha","title":{"rendered":"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?\u00a0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/36d1796f5324e0c9e69879d2e1013456.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nInimeses peab k\u00f5ik olema suurep\u00e4rane, ja kaasaegses andmekeskuses peab k\u00f5ik t\u00f6\u00f6le toimima nagu \u0160veitsi kell. \u00dckski keeruka andmekeskuse inseneri-s\u00fcsteemide arhitektuuri komponent ei tohi j\u00e4\u00e4da t\u00e4helepanuta hooldusmeeskonda. Just neid kaalutlusi j\u00e4rgides tegutsesime Linxdatacenteri platvormil Peterburis, valmistudes Uptime Management &amp; Operations sertifitseerimiseks 2018. aastal ja viies k\u00f5ik andmekeskuse s\u00fcsteemid vastavusse parimate maailmas kehtivate standarditega.\u00a0\u00a0<\/p>\n<p>T\u00e4na r\u00e4\u00e4gin, kuidas ja miks me rakendasime s\u00fcsteemi serverite \u00f5hur\u00f5hu kaugj\u00e4lgimiseks ja '\u00f5hu toetamiseks'. Meelde tuletades, et Uptime Institute'i auditi ettevalmistamise k\u00e4igus oli \u00fcks lahendatavatest k\u00fcsimustest puhtuse tagamine. Meie meeskond t\u00f6\u00f6tas kahe suuna kaupa: puhastamine (varem r\u00e4\u00e4kis mu kolleeg sellest, kuidas me v\u00f5itlesime tolmu serverites) ja \u00f5hur\u00f5hu kontroll serverite saalides. Minule, ettev\u00f5tte peainsenerile, anti just see teine \u00fclesanne. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/linxdatacenter\/blog\/445766\/\">juba r\u00e4\u00e4kinud<\/a><\/noindex> Igas serveriruumis on \u00fcldine ventilatsioonis\u00fcsteem. Selle t\u00f6\u00f6p\u00f5him\u00f5te on v\u00e4ga lihtne: \u00fcks ventilatsioonimasin t\u00f6\u00f6tab \u00f5hu sisseviimise nimel, teine \u2013 \u00f5hu v\u00e4ljaviimise nimel. M\u00f5lemat mootorit juhivad sageduse regulaatorid, mis t\u00e4hendab, et saab muuta nende p\u00f6\u00f6rlemissagedust ja seega reguleerida sissetoodud \/ v\u00e4ljaheitetud \u00f5hu kogust.<br \/>\n\u00a0<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Millest jutt?<\/h2>\n<p>\nSelle s\u00fcsteemi \u00fclesandeid on kaks:<br \/>\n\u00a0<br \/>\nSellel s\u00fcsteemil on kaks \u00fclesannet:<\/p>\n<ul>\n<li>Tagada vajalik \u00f5huvahetus, et inimesed saaksid serveriruumis mugavalt viibida (inimeste arv m\u00e4\u00e4ratakse ruumi otstarbe j\u00e4rgi),\n<\/li>\n<li>Tagada serveriruumis \u00fclem\u00e4\u00e4rane \u00f5hur\u00f5hk, et v\u00e4ltida tolmuosakeste sisenemist ruumi avatud uste kaudu ja s\u00e4ilitada vajalik puhtus.\n<\/li>\n<\/ul>\n<p>\nSissetulev ventilatsioonimasin peaks tooma serveriruumi rohkem \u00f5hku, kui v\u00e4ljat\u00f5mme eemaldab. Nii tagatakse serveriruumis \u00fclem\u00e4\u00e4rane \u00f5hur\u00f5hk v\u00f5rreldes naaberruumidega \u2013 nn '\u00f5hu toetus'. Sel juhul j\u00f5uab \u00f5hk serveriruumi ainult l\u00e4bi sissetuleva ventilatsiooni filtrite, ja filtreerimata \u00f5hu sisenemine serveriruumi on v\u00e4listatud.<\/p>\n<p>Kui s\u00fcnniks k\u00f5ik vastupidi \u2013 kui v\u00e4ljat\u00f5mme eemaldab rohkem \u00f5hku, kui sissetulev \u00f5hk toob \u2013 siis hakkab filtreerimata \u00f5hk serveriruumi naaberruumidest sisenema, mis on sageli p\u00f5hjusteks tolmu olemasolul pindadel ja seadmetel.<br \/>\n\u00a0<\/p>\n<h2>Pole kontrolli\u00a0<\/h2>\n<p>\nKujundab v\u00e4lja, et k\u00f5ik on lihtne. Siiski, kui alustasime andmekeskuse puhastamise kvaliteedi parandamisega, ei olnud meil t\u00f5husat kontrolli \u00f5hur\u00f5hu toetuse olemasolu \u00fcle. Aitasime sisseviimise sagedust rohkemaks viia, kui t\u00f5mbe sagedus, ja seej\u00e4rel tegime 'silma j\u00e4rgi' t\u00e4iendusi. Uksed serverisse avanevad raskelt (nagu t\u00f5mmatakse neid sisse) \u2013 toetus on negatiivne. Kui vastupidi \u2013 sulguri tunnetus ei suuda sulgeda \u2013 siis t\u00e4hendab, et toetus on liiga tugev. Otsides mingit tasakaalu nende kahe seisundi vahel, kusagil keskel me ka peatusime.<\/p>\n<p>Kuid see l\u00e4henemine ei olnud usaldusv\u00e4\u00e4rne ja otsustasime, et ei saa enam sellele toetuda.\u00a0<\/p>\n<p>Miks? T\u00f6\u00f6tades 'silma j\u00e4rgi', ei ole v\u00f5imalik arvestada \u00f5hufiltrite seisundi m\u00f5ju toovate ventilatsioonide v\u00f5imsusele. Kui filter on puhas \u2013 n\u00e4eme teatud takistuse ja sissetoodud \u00f5hu mahua n\u00e4itajaid, kui filter on m\u00e4\u00e4rdunud, siis need n\u00e4itajad erinevad oluliselt. Ukse avanemise ja sulgemise d\u00fcnaamikas on neid n\u00fcansse raske v\u00e4lja selgitada.\u00a0<\/p>\n<p>Tavaliselt filter vahetatakse tavalise mehaanilise diferentsiaalmanomeetri j\u00e4rgi, mis l\u00fclitab ventilatsiooni v\u00e4lja teatud m\u00e4\u00e4rde m\u00e4\u00e4rdumisastme korral (r\u00f5hkude erinevus enne ja p\u00e4rast filtrit ei tohi \u00fcletada teatud n\u00e4itajat, mis vastab filtri puhtuse normile).\u00a0<\/p>\n<p>Tuleb v\u00e4lja, et on pikk filteri eluiga, kuni see j\u00e4rk-j\u00e4rgult m\u00e4\u00e4rdub, ja standardne diferentsiaalmanomeeter ventilatsioonis peab seda t\u00f6\u00f6k\u00f5lblikuks. Ent ventilatsiooni v\u00f5imsus ja seega ka toetuse j\u00f5ud muutuvad s\u00f5ltuvalt filtri seisundist.<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/fe5ef65b624d4c8bdc61134a3f0f7ad6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Standardeeritud diferentsiaalmanomeeter ventilatsioonis.\u00a0<\/i><br \/>\n\u00a0<br \/>\nKokkuv\u00f5tteks j\u00f5udsime j\u00e4reldusele, et toetuse seadistamise ja kontrollimise protsess selles stsenaariumis on liiga keeruline ja j\u00e4lle ebat\u00f5hus andmekeskustele.<br \/>\n\u00a0<\/p>\n<h2>Lahendus\u00a0<\/h2>\n<p>\nK\u00fcsimuse 'Ja kuidas me peaksime toimima?' vastusele p\u00f6\u00f6rdusime maailma parimate praktikate poole, millele aitas kaasa reis Stockholmi, mille k\u00e4igus tutvusime kohalike andmekeskustega.<\/p>\n<p>\u00dches neist <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/kompaniya\/data-centers\/\"   title=\"andmekeskustega\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4648\">andmekeskustega<\/a> n\u00e4gime vajalikku lahendust \u2013 mehaaniline diferentsiaalmanomeeter oli paigaldatud serveriruumi sissep\u00e4\u00e4sule ja n\u00e4itas r\u00f5hkude erinevust 'serveriruumi\/korrus'.<\/p>\n<p>Huvitav on see, et rootslased kasutavad difmanomeetreid serverite sisenemise juures ja ventiilifiltri saastumise j\u00e4lgimiseks: nad muudavad filtreid, kui r\u00f5hk langeb, ja ei oota signaali tuuleventilatsiooni s\u00fcsteemi tavap\u00e4rasest difmanomeetrist. Manomeetri n\u00e4it on visuaalselt kontrollitud patrullide poolt.<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/88782668cc16e78f3b0c87c1e92161df.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTagasi tulles hakkasime sarnast seadet Venemaalt otsima. Selgus, et selliseid difmanomeetreid kasutatakse meil nii kutsutud \u201epuhtades ruumides\u201c, n\u00e4iteks operatsioonitubades, laborites jne. Erilise staatuse t\u00f5ttu osutus seadme hind \u00fclem\u00e4\u00e4ra k\u00f5rgeks.<\/p>\n<p>Lisaks vajasime me mitte analoogset, vaid digitaalset seadet, eelistatavalt v\u00e4ljundiga 4-20 mA, et saaksime selle \u00fchendada andmete j\u00e4lgimise s\u00fcsteemiga. See oli oluline piirv\u00e4\u00e4rtuste seadmiseks teavituste saatmiseks ja statistika kogumiseks ja anal\u00fc\u00fcsimiseks.\u00a0<br \/>\n\u00a0<\/p>\n<h2>Kes otsib, see kindlasti leiab.<\/h2>\n<p>\nMeil vedas \u2013 peagi p\u00e4rast otsingute alustamist leidsime vajaliku seadme: digitaalne diferentseeritud manomeeter ekraaniga ja \u00fchenduse v\u00f5imalusega BMS-i jaoks hinnaga umbes 10 000 rubla \u00fchiku kohta.<\/p>\n<p>Paigaldasime, s\u00e4ttisime ja imestame ainult \u00fcht \u2013 miks me ise nii varem ei taipanud ja miks see lahendus ei ole standardne andmesaalide projektides.<\/p>\n<p>N\u00e4eb v\u00e4lja nii:\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/a54f0974279d52579dbb8d26d6e8a1a8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/bd838b502d61e8d15352431c498e779f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Elektrooniline difmanomeeter koridoris v\u00e4ljaspool serveriruumi, \u00fche m\u00f5\u00f5tmiskanali toru on viidud serveriruumi, teine kanal m\u00f5\u00f5dab koridori r\u00f5hku.<\/i><br \/>\n\u00a0<br \/>\nNii kuvatakse seade andmesaalide j\u00e4lgimise s\u00fcsteemis:<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/dd61179c61f08d9eda37d6237cdc0f3e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNii n\u00e4eb manomeetri n\u00e4itude statistika v\u00e4lja j\u00e4lgimise s\u00fcsteemis:<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/6ba268f9ad27a0eb49d25165204ed88b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n\u00a0<br \/>\nVastavalt GOST R ISO 14644-4-2002 \u201ePuhtad ruumid ja sellega seotud kontrollitud keskkonnad\u201c, mille v\u00f5tsime suunamiseks, \u201epeavad puhtaid ruume v\u00f5i erinevate puhtuskategooriatega puhtaid piirkondi lahkuma, et v\u00e4ltida takistamatut ukse avamist ja v\u00e4ltida soovimatut vastuvoolu turbulentsi t\u00f5ttu, peab vaakumide vahe olema vahemikus 5 kuni 20 Pa.<\/p>\n<p>See vahemik on meie andmesaalis normiks v\u00f5etud. Kui toimub k\u00f5rvalekalle, registreeritakse see koheselt s\u00fcsteemis \u2013 nagu on n\u00e4idatud alloleval graafikul.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"R\u00f5hk on normis: miks on andmekeskusele \u00f5hu varumise kontroll oluline?&nbsp;\" src=\"\/wp-content\/uploads\/2019\/06\/71bc5dc48ff4325089e6dfcd72a01c65.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Raske r\u00f5hu langus graafikul on avatud uks serveriruumi.\u00a0<\/i><\/p>\n<p>Kui anduri n\u00e4idud on madalamad seadistatud v\u00e4\u00e4rtusest rohkem kui 5 minutit \u2013 t\u00e4hendab see, et filtriga on midagi valesti, toimus mingi rike, s\u00f5naga, midagi ebanormaalset. Konkreetse graafiku puhul on p\u00f5hjuseks uue varustuse toomine ruumi jaoks avatuna hoitud uks.<\/p>\n<h2>Mida me saime<\/h2>\n<p>\n<b>Esiteks<\/b>, uus kontrolli ja l\u00e4bipaistvuse tase andmesaalide inseneris\u00fcsteemide t\u00f6\u00f6 jaoks.\u00a0<\/p>\n<p><b>Teiseks<\/b>, mustuse j\u00e4lgimine on muutunud veelgi t\u00f5husamaks: s\u00fcsteem v\u00f5imaldab ennetada r\u00f5hu langust ja eelnevalt vahetada \u00f5hufiltreid v\u00f5i k\u00f5rvaldada muid selle langemise p\u00f5hjuseid.\u00a0<\/p>\n<p><b>Kolmandaks<\/b>, k\u00f5iki neid protsesse kontrollitakse matemaatiliselt t\u00e4psete t\u00f6\u00f6riistade abil. Kogume vaatlusajalugu d\u00fcnaamiliselt ja saame statistikat \u00f5hufiltrite t\u00f5elise kasutusea ja k\u00f5igi ebanormaalsete olukordade kohta.<\/p>\n<p>Tehtud auditi Management &amp; Operations ja meie hiljutine k\u00fclastus Euroopa andmesaalidesse n\u00e4itas, et oleme selles suunas pioneerid mitte ainult Venemaal, vaid ka EL-is \u2013 selliseid lahendusi ei esine kaugeltki iga andmesaalide turuliidri juures Euroopas.<br \/>\n\u00a0<br \/>\nLoomulikult ei ole see s\u00fcsteem inseneri s\u00fcsteemide t\u00f6\u00f6 jaoks v\u00f5tmet\u00e4htsusega. Samas on see \u00e4\u00e4rmiselt kasulik t\u00e4iendus teenindusosakonnale ja suurep\u00e4rane n\u00e4ide meie andmesaalide vastavusest k\u00f5rgetele standarditele. Meie valdkonnas ei ole \u00fcksikasjadele \u00fchtegi t\u00e4htsust.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/linxdatacenter\/blog\/457566\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0435 \u0432\u0441\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c \u043f\u0440\u0435\u043a\u0440\u0430\u0441\u043d\u043e, \u0430 \u0432 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u043c \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0435 \u0432\u0441\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c, \u043a\u0430\u043a \u0448\u0432\u0435\u0439\u0446\u0430\u0440\u0441\u043a\u0438\u0435 \u0447\u0430\u0441\u044b. \u041d\u0438 \u043e\u0434\u0438\u043d \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0441\u043b\u043e\u0436\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0426\u041e\u0414\u0430 \u043d\u0435 \u0434\u043e\u043b\u0436\u0435\u043d \u043e\u0441\u0442\u0430\u0432\u0430\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u0441\u043b\u0443\u0436\u0431\u044b \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438. \u0418\u043c\u0435\u043d\u043d\u043e \u044d\u0442\u0438\u043c\u0438 \u0441\u043e\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f\u043c\u0438 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u043c\u044b \u043d\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0435 Linxdatacenter \u0432 \u0421\u0430\u043d\u043a\u0442-\u041f\u0435\u0442\u0435\u0440\u0431\u0443\u0440\u0433\u0435, \u0433\u043e\u0442\u043e\u0432\u044f\u0441\u044c \u043a \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 Uptime Management &amp; Operations \u0432 2018 \u0433\u043e\u0434\u0443 \u0438 \u043f\u0440\u0438\u0432\u043e\u0434\u044f \u0432\u0441\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26765,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\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\/novosti-interneta\/davlenie-v-norme-zachem-tsodu-kontrol-podpora-vozduha\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0414\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432 \u043d\u043e\u0440\u043c\u0435: \u0437\u0430\u0447\u0435\u043c \u0426\u041e\u0414\u0443 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043f\u043e\u0434\u043f\u043e\u0440\u0430 \u0432\u043e\u0437\u0434\u0443\u0445\u0430? 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