{"id":30492,"date":"2019-10-31T21:35:51","date_gmt":"2019-10-31T18:35:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/o-tsode-nachistotu-kak-my-reshali-problemu-pyli-v-servernyh-pomeshheniyah-data-tsentra\/"},"modified":"2019-10-31T21:35:51","modified_gmt":"2019-10-31T18:35:51","slug":"o-tsode-nachistotu-kak-my-reshali-problemu-pyli-v-servernyh-pomeshheniyah-data-tsentra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/o-tsode-nachistotu-kak-my-reshali-problemu-pyli-v-servernyh-pomeshheniyah-data-tsentra","title":{"rendered":"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/acf2a6a6ad1a30a956e6243a97b793d8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAhoj, Habr! Jsem Taras \u010cirkov, \u0159editel datov\u00e9ho centra Linxdatacenter v Petrohrad\u011b. Dnes v\u00e1m na na\u0161em blogu pov\u00edm o tom, jakou roli hraje \u00fadr\u017eba \u010distoty v prostor\u00e1ch modern\u00edho datov\u00e9ho centra pro zaji\u0161t\u011bn\u00ed jeho norm\u00e1ln\u00edho provozu, jak ji spr\u00e1vn\u011b m\u011b\u0159it, dosahovat a udr\u017eovat na pot\u0159ebn\u00e9 \u00farovni. <br \/>\n <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Aktiv\u00e1tor \u010distoty <\/h2>\n<p>\nJednou se na n\u00e1s obr\u00e1til z\u00e1kazn\u00edk datov\u00e9ho centra v Petrohrad\u011b s dotazem na vrstvu prachu v doln\u00ed \u010d\u00e1sti reg\u00e1lu s vybaven\u00edm. To bylo v\u00fdchoz\u00edm bodem na\u0161eho vy\u0161et\u0159ov\u00e1n\u00ed, jeho\u017e prvn\u00ed hypot\u00e9zy p\u0159edpokl\u00e1daly n\u00e1sleduj\u00edc\u00ed: <\/p>\n<ul>\n<li>prach se dost\u00e1v\u00e1 do serveroven po podr\u00e1\u017ek\u00e1ch obuvi zam\u011bstnanc\u016f a klient\u016f datov\u00e9ho centra,\n<\/li>\n<li>je vn\u00e1\u0161en syst\u00e9mem ventilace, \n<\/li>\n<li>a oboj\u00ed.\n<\/li>\n<\/ul>\n<p><\/p>\n<h2>Modr\u00e9 n\u00e1vleky \u2013 na smeti\u0161t\u011b historie<\/h2>\n<p>\nZa\u010dali jsme u obuvi. V t\u00e9 dob\u011b se probl\u00e9m \u010distoty \u0159e\u0161il tradi\u010dn\u00edm zp\u016fsobem: kontejner s n\u00e1vleky u vchodu. \u00da\u010dinnost p\u0159\u00edstupu v\u0161ak nedosahovala po\u017eadovan\u00e9 \u00farovn\u011b: kontrola pou\u017e\u00edv\u00e1n\u00ed n\u00e1vlek\u016f hosty datov\u00e9ho centra byla n\u00e1ro\u010dn\u00e1 a form\u00e1t s\u00e1m o sob\u011b byl nepohodln\u00fd. Rychle jsme se vzdali tradi\u010dn\u00edho \u0159e\u0161en\u00ed ve prosp\u011bch pokro\u010dilej\u0161\u00ed technologie ve form\u011b automatizovan\u00e9 n\u00e1vlekov\u00e9 ma\u0161iny. Prvn\u00ed nainstalovan\u00fd model takov\u00e9ho za\u0159\u00edzen\u00ed selhal: stroj p\u0159\u00edli\u0161 \u010dasto trhal n\u00e1vleky p\u0159i pokusu je nasadit na obuv, jeho pou\u017e\u00edv\u00e1n\u00ed sp\u00ed\u0161e roz\u010dilovalo ne\u017e usnad\u0148ovalo \u017eivot. <\/p>\n<p>Osloven\u00ed s zku\u0161enostmi koleg\u016f ve Var\u0161av\u011b a Moskv\u011b nevy\u0159e\u0161ilo \u00fakol, a nakonec jsme se rozhodli pro technologii p\u0159ipevn\u011bn\u00ed termof\u00f3lie na obuv. Pomoc\u00ed termof\u00f3lie lze nasadit \"n\u00e1vleky\" na obuv s jakoukoli podr\u00e1\u017ekou \u2013 a\u017e po tenk\u00fd d\u00e1msk\u00fd podpatek. Ano, f\u00f3lie tak\u00e9 ob\u010das sklouz\u00e1v\u00e1, ale mnohem m\u00e9n\u011b \u010dasto ne\u017e klasick\u00e9 modr\u00e9 n\u00e1vleky, a sama technologie je mnohem pohodln\u011bj\u0161\u00ed pro n\u00e1v\u0161t\u011bvn\u00edky a modern\u011bj\u0161\u00ed. Dal\u0161\u00ed pro m\u011b d\u016fle\u017eit\u00fd plus \u2013 f\u00f3lie snadno pokr\u00fdv\u00e1 i ty nejv\u011bt\u0161\u00ed velikosti obuvi, na rozd\u00edl od tradi\u010dn\u00edch n\u00e1vlek\u016f, kter\u00e9 se trhaj\u00ed p\u0159i pokusu je nasadit na velikost 45. Pro v\u011bt\u0161\u00ed modernost procesu jsme nainstalovali odpadkov\u00e9 ko\u0161e s automatick\u00fdm otev\u0159en\u00edm v\u00edka na z\u00e1klad\u011b pohybov\u00e9ho senzoru.<\/p>\n<p>Tento proces vypad\u00e1 takto: \u00a0<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/9f520b78144a8c2e1667b2093e3a3cec.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Host\u00e9 si novinku okam\u017eit\u011b obl\u00edbili. <\/i><\/p>\n<h2>Prach ve v\u011btru <\/h2>\n<p>\nUklidili jsme nejz\u0159eteln\u011bj\u0161\u00ed kan\u00e1l mo\u017en\u00e9ho zne\u010di\u0161t\u011bn\u00ed prostoru, pustili jsme se do jemn\u011bj\u0161\u00edch materi\u00e1l\u016f \u2013 do vzduchu. Je velmi pravd\u011bpodobn\u00e9, \u017ee zna\u010dn\u00e1 \u010d\u00e1st prachu se dost\u00e1v\u00e1 do serveroven skrze ventilaci kv\u016fli nedostate\u010dn\u00e9 filtraci, nebo je zan\u00e1\u0161ena z ulice. Nebo to snad v\u0161echno spo\u010d\u00edv\u00e1 v n\u00edzk\u00e9 kvalit\u011b \u00faklidu? Vy\u0161et\u0159ov\u00e1n\u00ed pokra\u010dovalo.<\/p>\n<p>Rozhodli jsme se zm\u011b\u0159it obsah \u010d\u00e1stic ve vzduchu uvnit\u0159 datov\u00e9ho centra a pozvali jsme laborato\u0159 specializuj\u00edc\u00ed se na kontrolu kvality vzduchu v \u010dist\u00fdch prostor\u00e1ch speci\u00e1ln\u00edho ur\u010den\u00ed, aby tyto pr\u00e1ce provedla. <\/p>\n<p>Zam\u011bstnanci laborato\u0159e zm\u011b\u0159ili po\u010det kontroln\u00edch bod\u016f (20), sestavili pl\u00e1n odb\u011bru vzork\u016f pro sledov\u00e1n\u00ed dynamiky a vytvo\u0159en\u00ed co nejp\u0159esn\u011bj\u0161\u00edho obrazu. N\u00e1klady na cel\u00fd proces m\u011b\u0159en\u00ed laborato\u0159\u00ed \u010dinily p\u0159ibli\u017en\u011b 1 milion rubl\u016f, co\u017e se n\u00e1m zd\u00e1lo zcela neefektivn\u00ed, ale p\u0159ineslo to \u0159adu n\u00e1pad\u016f pro vlastn\u00ed realizaci. Z\u00e1rove\u0148 se uk\u00e1zalo, \u017ee laborato\u0159 je dobr\u00e1, ale anal\u00fdzy je pot\u0159eba prov\u00e1d\u011bt dynamicky a neust\u00e1le se obracet na jejich slu\u017eby je krajn\u011b nepohodln\u00e9.<\/p>\n<p>Kdy\u017e jsme se pod\u00edvali na pl\u00e1novan\u00e9 \u010dinnosti laborato\u0159e, rozhodli jsme se pod\u00edvat se na prakti\u010dt\u011bj\u0161\u00ed za\u0159\u00edzen\u00ed pro vlastn\u00ed pr\u00e1ci. V kone\u010dn\u00e9m v\u00fdsledku jsme na\u0161li pot\u0159ebn\u00fd n\u00e1stroj pro tuto \u00falohu \u2013 analyz\u00e1tor kvality vzduchu. Takov\u00fdto:<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/8141820b0bc317ce9c1012103e79ca4f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>P\u0159\u00edstroj ukazuje obsah \u010d\u00e1stic r\u016fzn\u00e9ho pr\u016fm\u011bru (v mikrometrech).<\/i><\/p>\n<h2>P\u0159epracov\u00e1v\u00e1n\u00edm standard\u016f <\/h2>\n<p>\nTento p\u0159\u00edstroj analyzuje mno\u017estv\u00ed \u010d\u00e1stic, teplotu, vlhkost a ukazuje v\u00fdsledky ve vyhovuj\u00edc\u00edch m\u011brn\u00fdch jednotk\u00e1ch podle standard\u016f ISO pro tento parametr. Na displeji jsou viditeln\u00e9 \u00farovn\u011b obsahu \u010d\u00e1stic s r\u016fzn\u00fdmi pr\u016fm\u011bry ve vzorku vzduchu. <\/p>\n<p>Sou\u010dasn\u011b jsme podez\u0159\u00edvali filtry: v t\u00e9 dob\u011b jsme pou\u017e\u00edvali uvnit\u0159 serveroven modely filtr\u016f G4. Tento model zaji\u0161\u0165uje hrub\u00e9 \u010di\u0161t\u011bn\u00ed vzduchu, tak\u017ee jsme p\u0159ipou\u0161t\u011bli pravd\u011bpodobnost propou\u0161t\u011bn\u00ed \u010d\u00e1stic, kter\u00e9 vedly k zne\u010di\u0161t\u011bn\u00ed. Rozhodli jsme se zakoupit na zkou\u0161ku filtry jemn\u00e9ho \u010di\u0161t\u011bn\u00ed F5, pou\u017e\u00edvan\u00e9 v klimatiza\u010dn\u00edch a ventila\u010dn\u00edch syst\u00e9mech jako filtry druh\u00e9ho stupn\u011b \u010di\u0161t\u011bn\u00ed (do\u010di\u0161t\u011bn\u00ed).<\/p>\n<p>Vy\u0161et\u0159ov\u00e1n\u00ed bylo provedeno \u2013 m\u016f\u017eeme p\u0159istoupit k kontroln\u00edm m\u011b\u0159en\u00edm. Jako orienta\u010dn\u00ed bod jsme se rozhodli pou\u017e\u00edt po\u017eadavky normy ISO 14644-1 na po\u010det suspendovan\u00fdch \u010d\u00e1stic.<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/036ead8dfb79d3b7188d6e3e3b3190e9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Klasifikace \u010dist\u00fdch prostor podle po\u010dtu suspendovan\u00fdch \u010d\u00e1stic.<\/i><\/p>\n<p>Na prvn\u00ed pohled se zd\u00e1, \u017ee to sta\u010d\u00ed m\u011b\u0159it a porovn\u00e1vat podle tabulky. Ale nen\u00ed to tak jednoduch\u00e9: v praxi se uk\u00e1zalo jako velmi obt\u00ed\u017en\u00e9 naj\u00edt standardy \u010distoty vzduchu pro serverov\u00e9 m\u00edstnosti datov\u00fdch center. V\u00fdslovn\u011b to nikde nen\u00ed uvedeno, \u017e\u00e1dn\u00e1 organizace nebo oborov\u00fd institut to nepopsal. A\u017e na intern\u00edm f\u00f3ru Uptime Inside Track (p\u0159\u00edstup maj\u00ed osoby, kter\u00e9 pro\u0161ly \u0161kolen\u00edm podle program\u016f Uptime Institute) byla nalezena samostatn\u00e1 diskuse na toto t\u00e9ma. Na z\u00e1klad\u011b jej\u00edho prostudov\u00e1n\u00ed jsme se p\u0159iklonili k orientaci na normu ISO 8 \u2013 p\u0159edposledn\u00ed v klasifikaci. <\/p>\n<p>Prvn\u00ed m\u011b\u0159en\u00ed uk\u00e1zala, \u017ee jsme se podce\u0148ovali \u2013 v\u00fdsledky kontrol vnit\u0159n\u00edho vzduchu splnily po\u017eadavky normy ISO 5 ve vnit\u0159n\u00edch prostor\u00e1ch, co\u017e v\u00fdrazn\u011b p\u0159ekro\u010dilo p\u0159edepsan\u00e9 normy \u00fa\u010dastn\u00edk\u016f Uptime Inside Track. A to s velkou rezervou. M\u00e1me datov\u00e9 centrum, ne biologickou laborato\u0159, ale aby koncentrace \u010d\u00e1stic ve vzduchu byla rovna ISO 8 \u2013 to mus\u00ed b\u00fdt objekt minim\u00e1ln\u011b t\u0159\u00eddy \u201ecement\u00e1rna\u201c. A jak lze tento standard pou\u017e\u00edt na datov\u00e9 centrum \u2013 to nen\u00ed moc jasn\u00e9. P\u0159itom v\u00fdsledek na ISO 5 jsme z\u00edskali m\u011b\u0159en\u00edm p\u0159i filtraci vzduchu filtry G4. To znamen\u00e1, \u017ee prach se do rack\u016f vzduchem dostat nem\u016f\u017ee, filtry F5 se uk\u00e1zaly jako nadbyte\u010dn\u00e9, a ani nebyly pou\u017eity.<\/p>\n<p>Negativn\u00ed v\u00fdsledek \u2013 tak\u00e9 v\u00fdsledek: pokra\u010dovali jsme v hled\u00e1n\u00ed p\u0159\u00ed\u010diny kontaminace v jin\u00fdch sm\u011brech a kontrolu kvality vzduchu jsme zahrnuli do \u010dtvrtletn\u00edch kontrol, v kombinaci s kontrolami senzor\u016f BMS ov\u011b\u0159en\u00fdmi za\u0159\u00edzen\u00edmi (po\u017eadavky ISO 9000 a audity klient\u016f).<\/p>\n<p>N\u00ed\u017ee \u2013 p\u0159\u00edklad zpr\u00e1vy, kter\u00e1 se vypl\u0148uje na z\u00e1klad\u011b dat z\u00edskan\u00fdch p\u0159i m\u011b\u0159en\u00ed. Pro v\u011bt\u0161\u00ed p\u0159esnost se m\u011b\u0159en\u00ed prov\u00e1d\u011bj\u00ed dv\u011bma p\u0159\u00edstroji \u2013 Testo 610 a senzorem BMS. V z\u00e1hlav\u00ed tabulky jsou uvedeny mezn\u00ed hodnoty pro p\u0159\u00edstroje. Odchylka uveden\u00fdch parametr\u016f je automaticky zv\u00fdrazn\u011bna barvou pro usnadn\u011bn\u00ed identifikace problematick\u00fdch oblast\u00ed nebo \u010dasov\u00fdch obdob\u00ed.<br \/>\n<img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/1ab3b78a8fff1b55577382d3a6f54051.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>M\u00e1me to v\u0161echno jasn\u00e9: rozd\u00edl v m\u011b\u0159en\u00edch p\u0159\u00edstroj\u016f je minim\u00e1ln\u00ed a koncentrace \u010d\u00e1stic je mnohem ni\u017e\u0161\u00ed ne\u017e stanoven\u00fd limit.<\/i><\/p>\n<h2>Cez zadn\u00fd vchod <\/h2>\n<p>\nProto\u017ee do \u010dist\u00fdch prostor\u016f existovaly i dal\u0161\u00ed vstupy krom\u011b hlavn\u00edho vchodu pro klienty, kde jsme um\u00edstili stroj na obuv, byla st\u00e1le pot\u0159eba vylou\u010dit vstup ne\u010distot do datacentra p\u0159es n\u011b.<\/p>\n<p>Nosit\/zhazovat n\u00e1vleky na obuv b\u011bhem procedur vykl\u00e1d\u00e1n\u00ed vybaven\u00ed je nepraktick\u00e9, a proto jsme na\u0161li automat na \u010di\u0161t\u011bn\u00ed podr\u00e1\u017eek. Je to praktick\u00e9, funk\u010dn\u00ed, ale projevuje se lidsk\u00fd faktor v podob\u011b neopr\u00e1vn\u011bn\u00e9ho p\u0159\u00edstupu k tomuto za\u0159\u00edzen\u00ed. V podstat\u011b je to tot\u00e9\u017e jako s n\u00e1vleky na hlavn\u00edm vstupu. <\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/18d70e765bb768d656337c56a77596e5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPro vy\u0159e\u0161en\u00ed \u00fakolu jsme za\u010dali hledat mo\u017enosti \u010di\u0161t\u011bn\u00ed, kter\u00fdm se nedalo vyhnout: nejl\u00e9pe si s t\u00edm poradily lepiv\u00e9 koberce s odn\u00edmateln\u00fdmi vrstvami. B\u011bhem autorizace u vstupn\u00edch dve\u0159\u00ed se n\u00e1v\u0161t\u011bvn\u00edk nevyhnuteln\u011b postav\u00ed na takov\u00fd koberec a odstran\u00ed p\u0159ebyte\u010dn\u00fd prach z podr\u00e1\u017eek sv\u00fdch bot.<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/559a3abaf4e5f8e3b24148cf549a083e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u00daklidov\u00e9 pracovnice ka\u017ed\u00fd den odstranuj\u00ed horn\u00ed vrstvu takov\u00e9ho koberce, celkem m\u00e1 60 vrstev \u2013 to sta\u010d\u00ed p\u0159ibli\u017en\u011b na 2 m\u011bs\u00edce.<\/i><\/p>\n<p>Kdy\u017e jsem nav\u0161t\u00edvil datov\u00e9 centrum Ericsson ve Stockholmu, mezi jin\u00fdm jsem si v\u0161iml, jak se tam tyto probl\u00e9my \u0159e\u0161\u00ed: vedle odn\u00edmateln\u00fdch vrstev se ve \u0160v\u00e9dsku pou\u017e\u00edvaj\u00ed tak\u00e9 opakovan\u011b pou\u017eiteln\u00e9 antibakteri\u00e1ln\u00ed koberce Dycem. My\u0161lenka se mi l\u00edbila kv\u016fli mo\u017enosti opakovan\u00e9ho pou\u017eit\u00ed a mo\u017enosti zajistit v\u011bt\u0161\u00ed plochu pokryt\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/0748a5c76a5cd988b7b1ea67c8939cee.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Kouzeln\u00fd antibakteri\u00e1ln\u00ed koberec. \u0160koda, \u017ee to nen\u00ed letadlo, jinak by to st\u00e1lo - vzhledem k t\u00e9 cen\u011b!<\/i><\/p>\n<p>T\u011b\u017eko jsme na\u0161li z\u00e1stupce spole\u010dnosti v Rusku a provedli jsme ocen\u011bn\u00ed n\u00e1klad\u016f na \u0159e\u0161en\u00ed pro na\u0161e datov\u00e9 centrum. Nakonec jsme dostali \u010d\u00e1stku t\u00e9m\u011b\u0159 100kr\u00e1t vy\u0161\u0161\u00ed ne\u017e \u0159e\u0161en\u00ed s v\u00edcivrstv\u00fdmi koberci \u2013 p\u0159ibli\u017en\u011b stejn\u00fdch 1 milion rubl\u016f, co i v projektu s m\u011b\u0159en\u00edmi \u010distoty vzduchu. Krom\u011b toho se uk\u00e1zalo, \u017ee je t\u0159eba pou\u017e\u00edvat speci\u00e1ln\u00ed \u010dist\u00edc\u00ed prost\u0159edky, kter\u00e9 samoz\u0159ejm\u011b maj\u00ed pouze tento v\u00fdrobce. Toto \u0159e\u0161en\u00ed tak\u00e9 odpadlo, z\u016fstali jsme u v\u00edcevrstv\u00e9ho variantu.<\/p>\n<h2>Ru\u010dn\u00ed pr\u00e1ce<\/h2>\n<p>\nJe t\u0159eba zvl\u00e1\u0161\u0165 zd\u016fraznit, \u017ee v\u0161echny uveden\u00e9 opat\u0159en\u00ed neodvol\u00e1valy pou\u017eit\u00ed ukl\u00edze\u010dek. V r\u00e1mci p\u0159\u00edpravy na certifikaci datov\u00e9ho centra Linxdatacenter podle standardu Uptime Institute Management &amp; Operations bylo nutn\u00e9 p\u0159esn\u011b regulovat \u010dinnost zam\u011bstnanc\u016f \u00faklidov\u00e9 slu\u017eby v are\u00e1lu datov\u00e9ho centra. Byly vypracov\u00e1ny podrobn\u00e9 pokyny, kter\u00e9 p\u0159edepisuj\u00ed, kde, co a jak\u00fdm zp\u016fsobem je t\u0159eba d\u011blat. <\/p>\n<p>N\u011bkolik \u00faryvk\u016f z pokyn\u016f:<\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/ec9f284d2db66a471320a4ad754aeb7b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/3b3e97fd73d88182b780cc27a72e21a4.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJak je vid\u011bt, je pops\u00e1no v\u0161e, doslova ka\u017ed\u00fd aspekt pr\u00e1ce v konkr\u00e9tn\u00ed m\u00edstnosti, povolen\u00e9 \u010distic\u00ed prost\u0159edky, materi\u00e1ly atd. Nepot\u0159ebuje z\u016fstat bez pozornosti \u017e\u00e1dn\u00fd detail, ani ten nejmen\u0161\u00ed. Instrukt\u00e1\u017e \u2013 pod podpis ka\u017ed\u00e9ho zam\u011bstnance \u00faklidov\u00e9 slu\u017eby. V serverovn\u00e1ch, elektroprostor\u00e1ch atd. se ukl\u00edz\u00ed pouze v p\u0159\u00edtomnosti pov\u011b\u0159en\u00fdch zam\u011bstnanc\u016f datov\u00e9ho centra, nap\u0159\u00edklad dozoruj\u00edc\u00edho in\u017een\u00fdra. <\/p>\n<h2>Ale to je\u0161t\u011b nen\u00ed v\u0161echno. <\/h2>\n<p>\nTak\u00e9 v seznamu opat\u0159en\u00ed zaji\u0161\u0165uj\u00edc\u00edch \u010distotu v datov\u00e9m centru: obch\u016fzky s vizu\u00e1ln\u00ed kontrolou prostor, v\u010detn\u011b t\u00fddenn\u00edch kontrol sk\u0159\u00edn\u00ed na p\u0159\u00edtomnost zbytk\u016f kabel\u016f a obal\u016f od za\u0159\u00edzen\u00ed a komponent\u016f. Ka\u017ed\u00fd takov\u00fd incident je zdokumentov\u00e1n, klient dost\u00e1v\u00e1 ozn\u00e1men\u00ed o nutnosti odstranit poru\u0161en\u00ed v co nejkrat\u0161\u00edm \u010dase. <\/p>\n<p>Tak\u00e9 pro vybalen\u00ed a nastaven\u00ed za\u0159\u00edzen\u00ed jsme vytvo\u0159ili zvl\u00e1\u0161tn\u00ed m\u00edstnost \u2013 to je tak\u00e9 sou\u010d\u00e1st\u00ed \u00faklidov\u00e9 politiky spole\u010dnosti. \u00a0<\/p>\n<p>Dal\u0161\u00edm opat\u0159en\u00edm, kter\u00e9 jsme \u010derpali z praxe Ericsson, je udr\u017eov\u00e1n\u00ed trval\u00e9ho podtlaku vzduchu v serverovn\u00e1ch: uvnit\u0159 prostor je tlak vy\u0161\u0161\u00ed ne\u017e venku, aby se zabr\u00e1nilo tahu dovnit\u0159 \u2013 o tomto \u0159e\u0161en\u00ed se budeme podrobn\u011bji zmi\u0148ovat v samostatn\u00e9m materi\u00e1lu. <\/p>\n<p>Nakonec jsme si po\u0159\u00eddili roboty-asistenty pro prostory, kter\u00e9 jsou vylou\u010deny z okruhu p\u0159\u00edstupn\u00fdch pro \u00faklidov\u00fd person\u00e1l. <\/p>\n<p><img decoding=\"async\" alt=\"O datov\u00e9m centru na rovinu: jak jsme \u0159e\u0161ili probl\u00e9m prachu v serverov\u00fdch m\u00edstnostech datov\u00e9ho centra\" src=\"\/wp-content\/uploads\/2019\/03\/f76b47a2ffdaeaeabba665d54b13a40a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>M\u0159\u00ed\u017eka naho\u0159e nejen\u017ee poskytuje +10 k ochran\u011b robot\u016f, ale tak\u00e9 zabra\u0148uje jejich zadrhnut\u00ed pod vertik\u00e1ln\u00edmi kabelov\u00fdmi \u017elaby sk\u0159\u00edn\u00ed.<\/i><\/p>\n<h2>Ne\u010dekan\u00e1 n\u00e1lez jako v\u00fdstup. <\/h2>\n<p>\n\u00dadr\u017eba \u010distoty v datov\u00e9m centru je d\u016fle\u017eit\u00e1 pro \u00fa\u010dinn\u00fd provoz serverov\u00e9ho a s\u00ed\u0165ov\u00e9ho vybaven\u00ed, kter\u00e9 nas\u00e1v\u00e1 vzduch. P\u0159ekro\u010den\u00ed povolen\u00fdch hodnot pra\u0161nosti vede k hromad\u011bn\u00ed prachu na sou\u010d\u00e1stech a celkov\u00e9mu zv\u00fd\u0161en\u00ed teploty a\u017e o 1 stupe\u0148 Celsia. Prach sni\u017euje \u00fa\u010dinnost chlazen\u00ed, co\u017e m\u016f\u017ee v ro\u010dn\u00edm p\u0159epo\u010dtu generovat zna\u010dn\u00e9 nep\u0159\u00edm\u00e9 n\u00e1klady a ovlivnit spolehlivost za\u0159\u00edzen\u00ed jako celku. <\/p>\n<p>Lze \u0159\u00edci, \u017ee se jedn\u00e1 o teoretick\u00e9 p\u0159edpoklady, av\u0161ak odborn\u00edci z Uptime Institute, kte\u0159\u00ed prov\u00e1d\u011bli certifikaci datov\u00e9ho centra Linxdatacenter podle standardu kvality provozu (Management &amp; Operations), v\u011bnuj\u00ed \u00fadr\u017eb\u011b \u010distoty naprosto z\u00e1sadn\u00ed pozornost. A je velmi pot\u011b\u0161uj\u00edc\u00ed obdr\u017eet na tomto poli nejvy\u0161\u0161\u00ed hodnocen\u00ed: n\u00e1roky certifikace n\u00e1\u0161 datov\u00fd centr v Petrohrad\u011b v\u00fdrazn\u011b p\u0159evy\u0161uje. Odborn\u00edk institutu n\u00e1s nazval \"nej\u010dist\u0161\u00edm datov\u00fdm centrem, kter\u00e9 kdy vid\u011bl\", nav\u00edc na\u0161e datov\u00e9 centrum je pou\u017e\u00edv\u00e1no jako p\u0159\u00edklad \u0159e\u0161en\u00ed ot\u00e1zky \u010distoty serverov\u00fdch prostor. Tak\u00e9 s lehkost\u00ed proch\u00e1z\u00edme jak\u00fdmikoliv auditn\u00edmi kontrolami od klient\u016f \u2013 ty nejn\u00e1ro\u010dn\u011bj\u0161\u00ed po\u017eadavky t\u011bch nejkaprici\u00f3zn\u011bj\u0161\u00edch klient\u016f jsou p\u0159ekon\u00e1v\u00e1ny.<\/p>\n<p>Vra\u0165me se na za\u010d\u00e1tek p\u0159\u00edb\u011bhu. Odkud tedy poch\u00e1zely ne\u010distoty z on\u00e9 st\u00ed\u017enosti na za\u010d\u00e1tku \u010dl\u00e1nku? Ta \u010d\u00e1st racku klienta, kter\u00e1 vedla k zah\u00e1jen\u00ed cel\u00e9ho projektu \"\u00fadr\u017eba \u010distoty v datov\u00e9m centru\", byla zne\u010di\u0161t\u011bna ji\u017e od okam\u017eiku dovozu a instalace racku do datov\u00e9ho centra. Klient rack p\u0159ed jeho zaveden\u00edm do serverov\u00e9 m\u00edstnosti nevy\u010distil \u2013 p\u0159i kontrole sousedn\u00edch rack\u016f, instalovan\u00fdch ve stejn\u00e9 dob\u011b, se uk\u00e1zalo, \u017ee tam je s prachem stejn\u00e1 situace. Tato situace poslou\u017eila jako podn\u011bt k p\u0159id\u00e1n\u00ed bodu kontroly \u010distoty do klientsk\u00e9ho checklistu pro instalaci racku. Na pravd\u011bpodobnost podobn\u00fdch situac\u00ed se tak\u00e9 nikdy nesm\u00ed zapom\u00ednat \u2013 varovan\u00fd je tedy chr\u00e1n\u011bn\u00fd. To je v\u0161e o \"\u010distot\u011b a disciplin\u011b\" v na\u0161em datov\u00e9m centru, v p\u0159\u00ed\u0161t\u00edm \u010dl\u00e1nku se zm\u00edn\u00edm o tlakom\u011brech, a zat\u00edm se ptejte v koment\u00e1\u0159\u00edch.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/linxdatacenter\/blog\/445766\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438\u0432\u0435\u0442, \u0425\u0430\u0431\u0440! \u042f \u0422\u0430\u0440\u0430\u0441 \u0427\u0438\u0440\u043a\u043e\u0432, \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440 \u0426\u041e\u0414 Linxdatacenter \u0432 \u0421\u0430\u043d\u043a\u0442-\u041f\u0435\u0442\u0435\u0440\u0431\u0443\u0440\u0433\u0435. \u0418 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0432 \u043d\u0430\u0448\u0435\u043c \u0431\u043b\u043e\u0433\u0435 \u044f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443 \u043e \u0442\u043e\u043c, \u043a\u0430\u043a\u0443\u044e \u0440\u043e\u043b\u044c \u0432 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0430 \u0438\u0433\u0440\u0430\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u0447\u0438\u0441\u0442\u043e\u0442\u044b \u0432 \u043f\u043e\u043c\u0435\u0449\u0435\u043d\u0438\u0438, \u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u0435\u0435 \u0438\u0437\u043c\u0435\u0440\u044f\u0442\u044c, \u0434\u043e\u0441\u0442\u0438\u0433\u0430\u0442\u044c \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c \u043d\u0430 \u043d\u0443\u0436\u043d\u043e\u043c \u0443\u0440\u043e\u0432\u043d\u0435. \u0422\u0440\u0438\u0433\u0433\u0435\u0440 \u0447\u0438\u0441\u0442\u043e\u0442\u044b \u041e\u0434\u043d\u0430\u0436\u0434\u044b \u043a \u043d\u0430\u043c \u043e\u0431\u0440\u0430\u0442\u0438\u043b\u0441\u044f \u043a\u043b\u0438\u0435\u043d\u0442 \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0430 \u0438 \u0432 \u0421\u0430\u043d\u043a\u0442-\u041f\u0435\u0442\u0435\u0440\u0431\u0443\u0440\u0433\u0435 \u043f\u043e \u043f\u043e\u0432\u043e\u0434\u0443 \u0441\u043b\u043e\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438\u0432\u0435\u0442.\" \/>\n\t<meta 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