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Volume 27, Issue 3

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Synchronicity or Not

Written by  Jeff Blackmon, CBCP November 22, 2007

In today’s data processing environment, synchronicity of data may need to be addressed when performing backups as well as the recovery of data. The subject of data synchronicity was not a big topic of discussion when data centers were composed of a single large mainframe. The default way of doing backups ensured that all the data was in sync. But with the transition to the distributed environment of multiple UNIX and NT servers, synchronicity of data may be an issue that needs to be considered. This can be the difference between a successful business recovery and just having a large collection of miscellaneous data. In the past, storage administrators usually did not have to worry about the data synchronicity issues when performing backups in the mainframe environment. The accepted method for doing data backups was by the full volume dump method. Usually on a Saturday night or early Sunday morning, all applications

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