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          首頁 > 新聞中心 > 行業新聞 > 熱點解讀:數據中心未來的擴展方向

          熱點解讀:數據中心未來的擴展方向

          2015-08-28 11:03
          分類: 行業新聞   來源: 系統集成網

            摘要:數據中心擴展是每一個數據中心都要面臨的問題,如何擴展數據中心關系到企業未來業務的穩定以及費用等多方面。很多企業在選擇擴展數據中心的時候總是將數據中心擴展的越來越大,而不是讓原有的數據中心空間承擔更多的服務器。

            數據中心擴展是每一個數據中心都要面臨的問題,如何擴展數據中心關系到企業未來業務的穩定以及費用等多方面。很多企業在選擇擴展數據中心的時候總是將數據中心擴展的越來越大,而不是讓原有的數據中心空間承擔更多的服務器。

            Gartner的基礎架構團隊首席研究員David Cappuccio說:“如今,越來越多的公司重新設計其數據中心的空間來容納更多的服務器。”。

            在數據中心創建初期,數據中心的管理人員或設施團隊很多時候都會進行下面的假設:我們的數據中心的能力能滿足當前的需求,如果需要更高的性能,那么我們將需要更多的空間。

            “如果現在我們有5000平方米的數據中心,那未來我們必須需要至少7500或以上,以維持我們的增長需求。”這種觀點似乎是一個合乎邏輯的方法,但是卻存在著根本性的問題,其考慮的是增加面積來增加總體的計算能力,而不是考慮增加每平方米的計算能力。

            例如,在一個1200平方公尺的數據中心中, 40架42U的機柜含有共520臺的2U服務器,一代服務器相當于二代服務器60%的性能。那么10年之內,假設需求15%的復合增長率將需要至少160架機柜,超過2000臺服務器,這將需要近5000平方公尺的空間。

            重新考慮數據中心的設計可以讓上面的1200平方公尺的克難攻堅至少滿足數據中心八年的需求。當然這前提我們需要先假設垂直和水平以上假設的東西保持現狀,并且數據中心的設備適用于整個服務器。

            我們一相同的40架機柜,將他們的容量平均增加到90%的水平,并在在未來兩年內將現有的服務器升級到1U服務器,那么數據中心將能夠支持1520臺物理服務器。這樣,原本需要2000臺服務器支持的需求,至少8年內我們不需要擴展數據中心的空間。

            但這些增加的服務器會產生相應的熱量,這樣就會對數據中心的散熱提供新的要求。那么散熱的消費以及更換服務器的費用是否跟直接購買設備的性價比更高呢?

            目前低功耗處理器發展非常迅猛,微服務器領域競爭非常激烈,數據中心的功耗很可能得益于此而大幅降低,而散熱的費用也會更加的減少,而且如今的通過熱交換器的冷卻技術可以滿足更高密度的數據中心設計,Facebook正在嘗試用新的方式設計的服務器和數據中心的冷卻系統,并且已經取得了不錯的進展。

            未來,數據中心的擴展可能更多的是增加密度而不是增加空間。

            來源: 系統集成網 原文鏈接:http://www.xtjc.com/news/1/4871.html

          伍佰彩票
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