Server Mirroring is advance concept in website hosting industry using which we can synchronize data between two server or more servers in real time. Using server mirroring process we can have identical copy of data of primary server also exists on the secondary server as a backup thus in other words you can setup a real time data back-up solution for your master server. Usually Rsync backup technology is used in such server mirroring architecture for faster and reliable data transfer. Using server mirroring technology if the primary server goes down for some reason then your secondary server with all latest updated data will come into force immediately and will act as a primary server and will serve all request without any downtime.

Few major advantages of Server Mirroring :-

• Effective setup to achieve fault tolerance.
• 100 % uptime guarantee.
• Real time data synchronization will ensures you that you will have up to date copy of all the data on your secondary server.
• Rsync technology used in such setups usually tracks file changes independently and replicates only the data which has been changed/updated since the last backup rather than copying an entire file again.
• Disaster Recovery – There won’t be any downtime or data loss as all data would be synchronized in real-time.
• Server mirroring architecture requires both servers to be active and should work together so as to offer you excellent server resources and will increase overall redundancy of each server.

Thus using server mirroring technique you can setup uninterrupted 100% uptime guaranteed server.

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Many webmaster have mission critical websites where they cant afford even a downtime of a mini-second hence they have to consider high configuration servers with special network architecture. You have option of server mirroring setup in this case so that you get maximum uptime 100% uptime guarantee.

Setting up Failover server setup is very easy, you need to have atleast two servers for settingup such advance mirroring setup. Primary dedicated server is created  just like any other normal web server which is connected to other dedicated web server on a separate network. Data is continuously transferred between your primary dedicated server and the secondary web server. Data is transferred continuously to yporu secondary server so as to ensure that secondary dedicated server has the latest files/configuration as your primary web server have. This secondary webServer is not actively used and can be considered as exact copy of the primary server. When a problem is detected with your primary server, the IPs are automatically assigned to the secondary server and all requests are servers from this  secondary server also all updates are being implemented on this secondary server which can be pass on to primary server once it gets live and running hence no data is lost and all request are served realtime using this advanced server architecture.

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