The Study of Sustainability for Enterprise Information System

[[abstract]]企業永續經營成為非常多企業關注的議題之一，資訊系統災難復原計畫則是企業永續經營的重點之一，有了災難復原計畫像是有了保險一樣，需要規畫成一套作業程序，可以在受到任何因素所造成的重創時，可以在最迅速的時間，最少的成本，提供可靠的保障，降低企業損失，達到企業永續經營的目的。 因此，規劃一套資訊系統災難復原計畫，當企業組織在受到破壞時，其重要資料、應用服務與整個系統都可以受到保護，及在最短的時間恢復到可以維持業務的持續性狀態，是該計畫的最好目標。其中資訊系統中斷的因素包含了，自然災害、人為災害、系統安全問題、系統故障問題、系統健康問題等。故災難復原計畫，不僅僅只是將電腦系統恢復到原先的未發生災害的狀態之下，而是更懬義的包含了整個組織的文化、正常運作能力，範圍也擴及整個企業組織。 透過雲端服務將本地端服務無縫的移轉至雲端上，以降低企業遭遇災難時的復原時間，進而使服務以最短時間回復至可運作的狀態，透過雲端服務讓企業保有更高的彈性及可用性，本研究以Hyper-V叢集高可用虛擬化平台結合System Center Virtual Machen Management及Microsoft Azure Site Recovery 達成本地端高可用外，再將服務複本至異地或雲端，於服務等級協議標準內將服務於異地或雲端運作，達成資訊系統持續營運之目標。[[abstract]]Enterprise sustainability has become the focus of operation One of key points of sustainability is Disaster Response Planning (DRP) It’s like insurance while any devastation goes DRP provides fast recovery and reliable substitution It even reduces enterprise’s valued loss keeping one operate sustainably Once DRP works out the important data applied service and whole system can be protected if enterprise faces devastation DRP makes systems reset even in very short seconds to maintain operation The devastation of information system includes natural disaster human mistakes dark-side hacker malfunction and incomplete software and hardware Disaster recovery not only returns the computer system to former state but also the organization culture human resource and even the whole enterprise Cloud service supports the On-Premises seamlessly so enterprise can operate those data and system in Cloud service when disaster recovery occurs Base on Hyper-V Cluster High Availability Virtualization Platform this study accounts for Cloud service combines the System Center Virtual Machen Management and Microsoft Azure Site Recovery to reach obvious effects on On-Premises The whole data replica can perfectly works in remote backup or the “Cloud” within the service level agreement to maintain the goal of enterprise operation sustainabilit