{"id":54070,"date":"2019-12-17T00:00:00","date_gmt":"2019-12-16T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/nuzhny-li-v-tsod-podushki"},"modified":"2020-02-18T14:02:02","modified_gmt":"2020-02-18T11:02:02","slug":"nuzhny-li-v-tsod-podushki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/nuzhny-li-v-tsod-podushki","title":{"rendered":"Har datacentre brug for puder?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Har
\nKatte i datacenteret. Hvem er med? <\/i><\/p>\n

Hvad t\u00e6nker du? Findes der puder i moderne datacentre? Svaret er ja, og mange af dem! De er ikke kun til, at tr\u00e6tte ingeni\u00f8rer og teknikere, eller endda en kat, kan tage en duppert (hvor kommer en kat dog fra i datacenteret?). Disse puder handler om brandbeskyttelse i bygningen. Cloud4Y forklarer, hvad det handler om.<\/i> <\/a><\/noindex><\/p>\n

Hvert datacenter er bygget med henblik p\u00e5 at sikre maksimal beskyttelse af udstyr og de data, der opbevares. Oplysningerne skal v\u00e6re tilg\u00e6ngelige for kunderne, uanset hvad der sker inden i datacentret. Derfor bliver der, allerede i designfasen, brugt meget tid p\u00e5 at skabe p\u00e5lidelig sikkerhed og brandslukning. Ideelt set b\u00f8r alt i datacenteret v\u00e6re ildfast. Det betyder, at d\u00f8re, v\u00e6gge, gulv og loft er lavet af ildfaste materialer. Teoretisk set kan de forhindre spredning af ild fra det rum, hvor branden opstod.<\/p>\n

I praksis er det ikke s\u00e5dan. Og det skyldes netv\u00e6rksudstyr og kabler. D\u00e6kslerne fragter dusinvis af kilometer kabler, hvor str\u00f8mmen flyder og forbinder al muligt udstyr. Men hvordan tr\u00e6kkes kablerne? Gennem kabelkanaler, der passerer gennem store huller i gulv og v\u00e6gge. Og n\u00e5r der er huller, er der ogs\u00e5 en vej for ilden.<\/p>\n

Ja, det er effektivt umuligt at t\u00e6tne dem med betonblanding eller andet tungt ildfast materiale. I disse kabelf\u00f8rende r\u00f8r kan der l\u00f8bende tilf\u00f8jes nye kabler. Og hvis man fylder hullet med beton, skal det hele derefter graves op igen i rasende fart. Det er tabt tid, ekstra omkostninger, og der er ogs\u00e5 stor risiko for, at nogen ved et uheld sk\u00e6rer en s\u00e6rlig vigtig kabel over. Og efter murens lov indtr\u00e6der det n\u00f8jagtigt s\u00e5.<\/p>\n

Derudover findes der brandsikker filler og kompositplader (som de nogle gange kaldes). De er ogs\u00e5 effektive, men kr\u00e6ver alligevel ekstra indsats ved installation og demontering.<\/p>\n

S\u00e5 det er v\u00e6sentligt mere effektivt at bruge andre ildfaste materialer, som let kan transporteres, hurtigt skiftes og oml\u00e6gges. Disse er blevet til ekspanderende ildfaste puder.<\/p>\n

\"Har
\n
\nDenne pude lavet af finmasket, t\u00e6t og mekanisk st\u00e6rk glasfiber med et specielt fyld kan opbevares ubegribelig l\u00e6nge p\u00e5 lager (t\u00f8rt og varmt), indtil det er n\u00f8dvendigt. Den indeholder ikke mineralfibre, er modstandsdygtig over for atmosf\u00e6risk korrosion og fugt. Nogle producenter garanterer, at deres pude kan holde i lang tid i fugtige, uventilerede rum.<\/p>\n

\"Har
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Teori \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Praksis<\/i> <\/p>\n

Tre yderligere billeder<\/b>\"Har
\n
\n\"Har
\n
\n\"Har
\n
\nBrandsikre puder til datacentre er sm\u00e5, lette mursten, der er nemme at placere omkring kablerne, helt lukker \u00e5bningerne. Ved n\u00f8je at placere dem mellem kablerne og v\u00e6ggen kan man opn\u00e5 god brandmodstand. Hemmeligheden er, at puderne vokser i st\u00f8rrelse ved brand og kan overstige den oprindelige volumen flere gange. Dette giver en effektiv t\u00e6tnings omkring ingeni\u00f8rgennemgange. Brandsikre puder kan modst\u00e5 ild i op til 4 timer. Det er meget. I l\u00f8bet af 4 timer skal datacentrets brandbek\u00e6mpelsessystem klare enhver brand.<\/p>\n

Fordelen ved s\u00e5danne puder er, at de tilbyder en t\u00f8r, ren og nem at installere l\u00f8sning. Dette er en afg\u00f8rende faktor for et s\u00e5 vigtigt objekt som et datacenter. Desuden, da udstyret i datacentret regelm\u00e6ssigt opgraderes, v\u00e6rds\u00e6ttes muligheden for hurtigt at f\u00f8re ekstra kabler gennem v\u00e6ggen, uden at skulle destruere den n\u00e6sten fuldst\u00e6ndig, meget h\u00f8jt. S\u00e5 uden puder kan et datacenter simpelthen ikke fungere.<\/p>\n

Hvad mere nyttigt kan man l\u00e6se i bloggen Cloud4Y<\/a><\/noindex><\/b><\/p>\n

\u2192 Indstil top i GNU\/Linux<\/a><\/noindex>
\n\u2192 Pentestere i frontlinjen af cybersikkerhed<\/a><\/noindex>
\n\u2192 Startups, der kan overraske<\/a><\/noindex>
\n\u2192 Ekofiktion til planetens beskyttelse <\/a><\/noindex>
\n\u2192 Huset, som robotten byggede<\/a><\/noindex><\/p>\n

Tilmeld dig vores Telegram<\/a><\/noindex>-kanal, s\u00e5 du ikke g\u00e5r glip af den n\u00e6ste artikel! Vi skriver ikke oftere end to gange om ugen og kun vedr\u00f8rende relevante emner. Vi minder ogs\u00e5 om, at den virksomhedslige cloududbyder Cloud4Y har lanceret kampagnen \"Cloud FZ-152 til prisen af den s\u00e6dvanlige\". Du kan allerede ans\u00f8ge. nu<\/a><\/noindex>.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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