Creating a hot swappable backup file for Exchange Server Is there a way to create a hot swappable backup file for Exchange Server and save that file on a backup Exchange server as a source of failover protection?
Creating a usable Exchange backup requires utilizing a key Microsoft technology that allows for online backup of Exchange at the storage group level. These APIs are also referred to as the “ESE Backup APIs.” Backup and storage vendors implement these APIs in their hot backup agents. One key function of these APIs is to properly “quiesce” the Exchange database so that all data is committed to disk. Then, the API allows for the data movement of the EDB, STM and associated logs. In this model, when the hot backup is done, the data files are encapsulated in the backup agent’s tape format. From this backup, the data can be restored by sending it back through the ESE backup API. There is also Exchange server clustering that provides another method for failover; however, it is not able to prevent logical corruption. The ESE backup API, when running on Exchange 2003 and Windows 2003, provides new functionality in Volume Shadow Copy Services (VSS). “The Volume Shadow Copy service coordinates co
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