{"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\/ro\/blog\/administrirovanie\/o-tsode-nachistotu-kak-my-reshali-problemu-pyli-v-servernyh-pomeshheniyah-data-tsentra","title":{"rendered":"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/acf2a6a6ad1a30a956e6243a97b793d8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nBun\u0103, Habr! Eu sunt Taras Chirkov, directorul centrului de date Linxdatacenter din Sankt Petersburg. Ast\u0103zi, \u00een blogul nostru, voi discuta despre rolul pe care \u00eel joac\u0103 men\u021binerea cur\u0103\u021beniei \u00een incint\u0103 pentru func\u021bionarea normal\u0103 a unui centru de date modern, cum s\u0103 o m\u0103sur\u0103m corect, s\u0103 o atingem \u0219i s\u0103 o men\u021binem la nivelul dorit. <br \/>\n <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Declan\u0219atorul cur\u0103\u021beniei <\/h2>\n<p>\nOdat\u0103, un client al centrului nostru de date din Sankt Petersburg ne-a contactat \u00een leg\u0103tur\u0103 cu un strat de praf \u00een partea de jos a rackului cu echipamente. Aceasta a fost punctul de plecare al investiga\u021biei, primele ipoteze fiind urm\u0103toarele: <\/p>\n<ul>\n<li>praful p\u0103trunde \u00een s\u0103lile serverului prin t\u0103lpile \u00eenc\u0103l\u021b\u0103mintei angaja\u021bilor \u0219i clien\u021bilor centrului de date,\n<\/li>\n<li>este adus prin sistemul de ventila\u021bie, \n<\/li>\n<li>\u0219i ambele.\n<\/li>\n<\/ul>\n<p><\/p>\n<h2>Boto\u0219ii alba\u0219tri \u2013 la gunoiul istoriei<\/h2>\n<p>\nAm \u00eenceput cu \u00eenc\u0103l\u021b\u0103mintea. La acel moment, problema cur\u0103\u021beniei era rezolvat\u0103 \u00een mod tradi\u021bional: un recipient cu boto\u0219i la intrare. Eficien\u021ba abord\u0103rii nu atingea nivelul dorit: era greu s\u0103 control\u0103m utilizarea lor de c\u0103tre vizitatorii centrului de date, iar formatul \u2013 incomod. Ne-am dat repede seama c\u0103 trebuia s\u0103 alegem tehnologii mai avansate sub form\u0103 de ma\u0219in\u0103 de boto\u0219i. Prima model instalat la noi a e\u0219uat: masina rupea prea des boto\u0219ii \u00een \u00eencercarea de a-i pune pe \u00eenc\u0103l\u021b\u0103minte, utilizarea ei devenind mai deranjant\u0103 dec\u00e2t util\u0103. <\/p>\n<p>Consultarea cu colegii din Var\u0219ovia \u0219i Moscova nu a rezolvat problema, iar \u00een final s-a decis s\u0103 se opteze pentru tehnologia de termosudare a peliculei pe \u00eenc\u0103l\u021b\u0103minte. Cu ajutorul peliculei termice, boto\u0219ii pot fi pu\u0219i pe \u00eenc\u0103l\u021b\u0103minte cu orice tip de talp\u0103 \u2013 inclusiv cu tocuri sub\u021biri feminine. Da, pelicula poate s\u0103 alunece, dar mai rar dec\u00e2t boto\u0219ii clasici alba\u0219tri, iar tehnologia \u00een sine este mult mai convenabil\u0103 pentru vizitatori \u0219i mai modern\u0103. Un alt avantaj (pentru mine) \u2013 pelicula acoper\u0103 cu u\u0219urin\u021b\u0103 cele mai mari dimensiuni de \u00eenc\u0103l\u021b\u0103minte, spre deosebire de boto\u0219ii tradi\u021bionali, care se rup c\u00e2nd \u00eencerc\u0103m s\u0103-i punem pe num\u0103rul 45. Pentru un plus de modernitate, am instalat co\u0219uri de gunoi cu deschidere automat\u0103 a capacului prin senzor de mi\u0219care.<\/p>\n<p>Acest proces arat\u0103 astfel: \u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/9f520b78144a8c2e1667b2093e3a3cec.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Vizitatorii au apreciat imediat inova\u021bia. <\/i><\/p>\n<h2>Praful pe v\u00e2nt <\/h2>\n<p>\n\u00cencep\u00e2nd cu cel mai evident canal de contaminare a spa\u021biului, ne-am concentrat asupra unor aspecte mai subtile \u2013 aerul. Este foarte probabil ca o parte semnificativ\u0103 a prafului s\u0103 p\u0103trund\u0103 \u00een servere prin ventila\u021bie din cauza filtr\u0103rii insuficiente sau s\u0103 fie adus din exterior. Sau poate problema este calitatea slab\u0103 a cur\u0103\u021beniei? Investiga\u021bia a continuat.<\/p>\n<p>Am decis s\u0103 facem m\u0103sur\u0103tori ale concentra\u021biei de particule din aerul din interiorul centrului de date \u0219i am invitat o laborator specializat \u00een monitorizarea calit\u0103\u021bii aerului \u00een \u00eenc\u0103peri curate de utilizare special\u0103 pentru a efectua aceste lucr\u0103ri. <\/p>\n<p>Angaja\u021bii laboratorului au m\u0103surat num\u0103rul de puncte de control (20), au elaborat un program pentru colectarea probelor, urm\u0103rind astfel dinamica \u0219i crearea unei imagini c\u00e2t mai precise. Costul \u00eentregului proces de m\u0103surare realizat de laborator a fost de aproximativ 1 milion de ruble, ceea ce ni s-a p\u0103rut total nesemnificativ, dar a oferit o serie de idei pentru realiz\u0103ri autonome. \u00cen acela\u0219i timp, a devenit clar c\u0103 laboratorul este util, dar analizele trebuie efectuate \u00een dinamic\u0103 \u0219i apelarea constant\u0103 la serviciile lor este extrem de incomod.<\/p>\n<p>Privind planurile ac\u021biunilor laboratorului, am decis s\u0103 c\u0103ut\u0103m dispozitive mai utilitare pentru lucru autonom. \u00cen cele din urm\u0103, am reu\u0219it s\u0103 g\u0103sim instrumentul necesar pentru aceast\u0103 sarcin\u0103 \u2013 un analizator de calitate a aerului. Iat\u0103-l:<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/8141820b0bc317ce9c1012103e79ca4f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Dispozitivul m\u0103soar\u0103 concentra\u021bia particulelor de diferite dimensiuni (\u00een microni).<\/i><\/p>\n<h2>Revizuind standardele <\/h2>\n<p>\nAceast\u0103 unitate analizeaz\u0103 num\u0103rul de particule, temperatura, umiditatea \u0219i afi\u0219eaz\u0103 rezultatele \u00een unit\u0103\u021bi de m\u0103sur\u0103 conform standardelor ISO pentru acest parametru. Pe ecran sunt vizibile nivelurile de concentra\u021bie a particulelor cu diferite dimensiuni \u00een proba de aer. <\/p>\n<p>\u00cen acela\u0219i timp, am avut suspiciuni asupra filtrelor: la acel moment, foloseam modele de filtre G4 \u00een interiorul camerelor serverelor. Acest model asigur\u0103 o filtrare grosier\u0103 a aerului, a\u0219a c\u0103 am acceptat posibilitatea de a permite p\u0103trunderea particulelor care provoac\u0103 contaminare. Am decis s\u0103 achizi\u021bion\u0103m pe prob\u0103 filtre de fine\u021be F5, folosite \u00een sisteme de climatizare \u0219i ventila\u021bie ca filtre de a doua etap\u0103 de filtrare (pre-filtrare).<\/p>\n<p>Investiga\u021bia a fost efectuat\u0103 \u2013 putem \u00eencepe m\u0103sur\u0103torile de control. Ca referin\u021b\u0103, s-a decis s\u0103 se utilizeze cerin\u021bele standardului ISO 14644-1 privind num\u0103rul de particule suspendate.<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/036ead8dfb79d3b7188d6e3e3b3190e9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Clasificarea camerelor curate \u00een func\u021bie de num\u0103rul de particule suspendate.<\/i><\/p>\n<p>Ar p\u0103rea c\u0103 este simplu \u2013 m\u0103sori \u0219i compari cu tabelul. Dar nu este deloc at\u00e2t de simplu: \u00een practic\u0103, s-a dovedit destul de dificil s\u0103 g\u0103se\u0219ti standardele pentru cur\u0103\u021benia aerului \u00een camerele serverelor din centrele de date. Acest lucru nu este specificat \u00een mod explicit de nicio organiza\u021bie sau institut de bran\u0219\u0103. \u0218i doar pe forumul intern Uptime Inside Track (accesibil persoanelor care au urmat cursurile Institute Uptime) a fost g\u0103sit\u0103 o discu\u021bie separat\u0103 pe aceast\u0103 tem\u0103. Ca urmare a studierii acesteia, s-a convenit s\u0103 ne orient\u0103m dup\u0103 standardul ISO 8 \u2013 penultimul din clasament. <\/p>\n<p>Primele m\u0103sur\u0103tori au ar\u0103tat c\u0103 ne subestimam \u2013 rezultatele verific\u0103rilor aerului intern au ar\u0103tat o conformitate cu cerin\u021bele ISO 5 \u00een interioarele camerelor, ceea ce a dep\u0103\u0219it semnificativ normele dorite de participan\u021bii Uptime Inside Track. \u00cen acest caz \u2013 cu un mare surplus. Avem un centru de date, nu un laborator biologic, desigur, dar pentru ca concentra\u021bia de particule \u00een aer s\u0103 se \u00eencadreze \u00een ISO 8 \u2013 acesta ar trebui s\u0103 fie un obiect de clas\u0103, minimum, \u201efabrica de ciment\u201d. \u0218i cum se poate aplica acela\u0219i standard unui centru de date \u2013 nu este foarte clar. \u00cen acela\u0219i timp, rezultatul pe ISO 5 l-am ob\u021binut m\u0103sur\u00e2nd aerul prin filtre G4. Asta \u00eenseamn\u0103 c\u0103 murd\u0103ria nu poate p\u0103trunde \u00een rack-uri prin aer, filtrele F5 s-au dovedit a fi excesive \u0219i nu au fost utilizate.<\/p>\n<p>Un rezultat negativ este tot un rezultat: am continuat c\u0103ut\u0103rile cauzei polu\u0103rii \u00een alte direc\u021bii, iar controlul calit\u0103\u021bii aerului a fost inclus \u00een verific\u0103rile trimestriale, combin\u00e2ndu-l cu verific\u0103rile senzorilor BMS prin dispozitive verificate (cerin\u021bele ISO 9000 \u0219i auditurile clien\u021bilor).<\/p>\n<p>Mai jos este un exemplu de raport, care este completat pe baza datelor ob\u021binute din m\u0103sur\u0103tori. Pentru o precizie mai mare, m\u0103sur\u0103torile sunt efectuate cu dou\u0103 aparate \u2013 Testo 610 \u0219i un senzor BMS. \u00cen antetul tabelului sunt specificate valorile limit\u0103 pentru aparate. Abaterea parametrilor specifica\u021bi este eviden\u021biat\u0103 automat cu o culoare pentru a u\u0219ura identificarea zonelor sau perioadelor problematice.<br \/>\n<img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/1ab3b78a8fff1b55577382d3a6f54051.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>La noi totul este clar: diferen\u021ba \u00eentre indica\u021biile aparatelor este minim\u0103, iar concentra\u021bia de particule este mult mai mic\u0103 dec\u00e2t limita acceptat\u0103.<\/i><\/p>\n<h2>Prin intrarea lateral\u0103 <\/h2>\n<p>\nDeoarece \u00een spa\u021biile curate existau \u0219i alte intr\u0103ri pe l\u00e2ng\u0103 intrarea principal\u0103 pentru clien\u021bi, unde am instalat o ma\u0219in\u0103 de b\u0103i, a r\u0103mas necesitatea de a preveni p\u0103trunderea murd\u0103riei \u00een datacenter prin aceste intr\u0103ri.<\/p>\n<p>A purta\/scoate boto\u0219ii \u00een timpul procedurilor de desc\u0103rcare a echipamentului este inconfortabil, a\u0219a c\u0103 am g\u0103sit un aparat pentru cur\u0103\u021barea talpilor. Este convenabil, func\u021bional, dar influen\u021bat de factorul uman prin lipsa de obliga\u021bie de a folosi acest aparat. Practic, este acela\u0219i lucru cu boto\u0219ii de la intrarea principal\u0103. <\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/18d70e765bb768d656337c56a77596e5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPentru a rezolva problema, am \u00eenceput s\u0103 c\u0103ut\u0103m op\u021biuni de cur\u0103\u021bare de la care nu ne putem abate: cele mai eficiente erau covoarele lipicioase cu straturi deta\u0219abile. \u00cen timpul autoriz\u0103rii la u\u0219ile de intrare, vizitatorul trebuie s\u0103 stea pe un astfel de covor, \u00eendep\u0103rt\u00e2nd praful din talpa \u00eenc\u0103l\u021b\u0103mintei.<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/559a3abaf4e5f8e3b24148cf549a083e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u00cengrijitoarele \u00eendep\u0103rteaz\u0103 stratul superior al acestui covor \u00een fiecare zi, av\u00e2nd \u00een total 60 de straturi \u2013 suficiente pentru aproximativ 2 luni.<\/i><\/p>\n<p>Vizit\u00e2nd datacenter-ul Ericsson din Stockholm, am observat, printre altele, cum rezolv\u0103 aceste probleme acolo: pe l\u00e2ng\u0103 straturile deta\u0219abile, \u00een Suedia se folosesc covoare antibacteriene reutilizabile Dycem. Ideea mi-a pl\u0103cut datorit\u0103 principiului de reutilizare \u0219i a posibilit\u0103\u021bii de a asigura o suprafa\u021b\u0103 de acoperire mai mare.<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/0748a5c76a5cd988b7b1ea67c8939cee.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Covorul antibacterian magic. \u00centr-adev\u0103r, ar fi fost bine s\u0103 fie un avion, av\u00e2nd \u00een vedere pre\u021bul!<\/i><\/p>\n<p>Cu greu am g\u0103sit \u00een Rusia reprezentan\u021bi ai companiei \u0219i am evaluat costul solu\u021biei pentru datacenter-ul nostru. \u00cen cele din urm\u0103, am primit o cifr\u0103 aproape de 100 de ori mai mare dec\u00e2t solu\u021bia cu covoare multistrat \u2013 aproximativ aceea\u0219i sum\u0103 de 1 milion de ruble, c\u00e2t \u0219i \u00een proiectul cu m\u0103sur\u0103tori ale purit\u0103\u021bii aerului. \u00cen plus, s-a dovedit necesitatea utiliz\u0103rii de produse speciale pentru cur\u0103\u021bare, disponibile doar de la acest produc\u0103tor. Aceast\u0103 solu\u021bie a fost de asemenea eliminat\u0103, oprindu-ne la varianta multistrat.<\/p>\n<h2>Munc\u0103 manual\u0103<\/h2>\n<p>\nEste important de men\u021bionat c\u0103 m\u0103surile men\u021bionate nu au anulat utilizarea muncii cur\u0103\u021beniei. \u00cen preg\u0103tirea pentru certificarea datacenter-ului Linxdatacenter conform standardului Uptime Institute Management &amp; Operations, a fost necesar s\u0103 se reglementeze clar ac\u021biunile angaja\u021bilor serviciului de cur\u0103\u021benie pe teritoriul datacenter-ului. Au fost elaborate instruc\u021biuni detaliate care stipuleaz\u0103 unde, ce \u0219i \u00een ce mod trebuie s\u0103 ac\u021bioneze. <\/p>\n<p>C\u00e2teva extrase din instruc\u021biune:<\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/ec9f284d2db66a471320a4ad754aeb7b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/3b3e97fd73d88182b780cc27a72e21a4.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDup\u0103 cum se poate observa, se detaliaz\u0103 totul, practic fiecare aspect al muncii \u00een \u00eenc\u0103perile specifice, agen\u021bii de cur\u0103\u021bare permisi \u0219i materiale etc. Nici un detaliu, nici cel mai mic, nu r\u0103m\u00e2ne neobservat. Instruc\u021biile sunt semnate de fiecare angajat al serviciului. \u00cen \u00eenc\u0103perile de servere, \u00een camerele electrice etc., cur\u0103\u021benia se efectueaz\u0103 doar \u00een prezen\u021ba angaja\u021bilor autoriza\u021bi ai datacenter-ului, de exemplu, inginerului de serviciu. <\/p>\n<h2>Dar asta nu este tot <\/h2>\n<p>\nDe asemenea, pe lista m\u0103surilor care asigur\u0103 cur\u0103\u021benia \u00een datacenter se num\u0103r\u0103: patrul\u0103ri cu inspec\u021bii vizuale ale \u00eenc\u0103perilor, inclusiv inspec\u021bii s\u0103pt\u0103m\u00e2nale ale rack-urilor pentru a identifica eventuale resturi de cabluri, ambalaje r\u0103mase de la echipamente \u0219i componente. Pentru fiecare incident de acest fel se deschide un caz, clientul prime\u0219te o notificare cu privire la necesitatea remedierii abaterilor \u00een cel mai scurt timp. <\/p>\n<p>De asemenea, pentru despachetarea \u0219i configurarea echipamentului, am creat o camer\u0103 separat\u0103 - aceasta este tot parte a politicii de cur\u0103\u021benie a companiei. \u00a0<\/p>\n<p>O alt\u0103 m\u0103sur\u0103 pe care am \u00eemprumutat-o din practica Ericsson este men\u021binerea unui nivel constant de presiune a aerului \u00een \u00eenc\u0103perile serverelor: \u00een interiorul acestora, presiunea este mai mare dec\u00e2t \u00een afar\u0103, pentru a nu permite curentului s\u0103 intre - despre aceast\u0103 solu\u021bie vom povesti mai \u00een detaliu \u00eentr-un material separat. <\/p>\n<p>\u00cen cele din urm\u0103, ne-am dotat cu robo\u021bi asisten\u021bi pentru camerele care sunt excluse din lista celor accesibile personalului de cur\u0103\u021benie. <\/p>\n<p><img decoding=\"async\" alt=\"Despre Data Center \u00een mod deschis: cum am rezolvat problema prafului \u00een s\u0103lile serverului din data center\" src=\"\/wp-content\/uploads\/2019\/03\/f76b47a2ffdaeaeabba665d54b13a40a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Grilajul de sus ofer\u0103 nu doar un plus de 10 la protec\u021bia robotului, ci \u00eel ajut\u0103 s\u0103 nu r\u0103m\u00e2n\u0103 blocat sub canalele verticale de cabluri ale rack-urilor.<\/i><\/p>\n<h2>Descoperire nea\u0219teptat\u0103 ca concluzie <\/h2>\n<p>\nCur\u0103\u021benia \u00een data center este esen\u021bial\u0103 pentru func\u021bionarea echipamentului server \u0219i re\u021bea, care atrage aer prin el. Dep\u0103\u0219irea nivelurilor admise de contaminare va duce la acumularea de praf pe componente \u0219i la o cre\u0219tere total\u0103 a temperaturii de p\u00e2n\u0103 la 1 grad Celsius. Praful reduce eficien\u021ba r\u0103cirii, ceea ce, pe parcursul unui an, ar putea genera costuri indirecte semnificative \u0219i, de asemenea, ar putea afecta fiabilitatea general\u0103 a obiectului. <\/p>\n<p>S-ar putea spune c\u0103 aceasta este o presupunere teoretic\u0103, dar exper\u021bii de la Uptime Institute, care au realizat certificarea data center-ului Linxdatacenter conform standardului de calitate a managementului opera\u021bional (Management &amp; Operations), acord\u0103 o aten\u021bie deosebit\u0103 cur\u0103\u021beniei. \u0218i a fost cu at\u00e2t mai pl\u0103cut s\u0103 primim evalu\u0103ri at\u00e2t de elogioase \u00een acest domeniu: cerin\u021bele de certificare sunt cu mult dep\u0103\u0219ite de data center-ul nostru din Sankt Petersburg. Expertul institutului ne-a numit \u201ecel mai curat data center pe care l-a v\u0103zut\u201d, iar mai mult, data center-ul nostru este utilizat de Uptime ca exemplu pentru solu\u021bionarea problemelor de cur\u0103\u021bie a s\u0103lilor serverului. De asemenea, trecem cu u\u0219urin\u021b\u0103 orice audit al clien\u021bilor pe aceast\u0103 dimensiune \u2013 cele mai stricte cerin\u021be ale celor mai preten\u021bio\u0219i clien\u021bi sunt satisf\u0103cute cu u\u0219urin\u021b\u0103.<\/p>\n<p>S\u0103 ne \u00eentoarcem la \u00eenceputul pove\u0219tii. De unde au provenit contamin\u0103rile legate de pl\u00e2ngerea men\u021bionat\u0103 la \u00eenceputul articolului? Partea rack-ului clientului care a dus la lansarea \u00eentregului proiect \u201ecur\u0103\u021benia \u00een data center\u201d a fost contaminat\u0103 \u00eenc\u0103 de la momentul introducerii \u0219i instal\u0103rii rack-ului \u00een data center. Clientul nu a cur\u0103\u021bat rack-ul \u00eenainte de a-l aduce \u00een sala serverului - la verificarea rack-urilor \u00eenvecinate, instalate \u00een acela\u0219i timp, s-a constatat c\u0103 \u0219i acolo situa\u021bia cu praful era la fel. Aceast\u0103 situa\u021bie a fost un motiv pentru ad\u0103ugarea unui punct de control al cur\u0103\u021beniei \u00een lista de verificare a instal\u0103rii rack-ului. Nu trebuie niciodat\u0103 s\u0103 uit\u0103m de probabilitatea unor astfel de lucruri = avertizat, \u00eenseamn\u0103 c\u0103 e\u0219ti \u00eenarmat. Aceasta este totul despre \u201ecur\u0103\u021benie \u0219i dictatur\u0103\u201d \u00een data center-ul nostru; \u00een articolul urm\u0103tor voi vorbi despre senzorii de presiune, iar p\u00e2n\u0103 atunci pune\u021bi \u00eentreb\u0103ri \u00een comentarii.<br \/>\n<br \/>Sursa: <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 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\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 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" 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