The appearance of the site to back up and how to make the link to the main site processed. Backup scenarios are described below.1. Cold Standby system is not actually enabled will be activated only when the primary system is. The problem, update the data to the backup system, it will be less Warm Site frequency, so when there is a problem with the primary system will require a longer time to open a Warm backup Site. 2. the Hot Standby Hardware and Software is to be located at the same Site Main Site Backup system-backup works with the main system at all times. The information that is in the main Update system update in the system with. When a problem occurs with a particular system. Another one will be able to provide the service continuously. No impact to the user.3.Warm Standby Hardware and Software is to be located at the same Site Backup Main Backup Site is running in an idle Standby real characteristics. Update the data that is in the root system will be update in the system according to the defined time interval. When a problem occurs with the main system. The backup system shall be implemented by the data will need to update the missing parts to complete first.
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