Articles & Guides

The Difference Between Daily Backups and CDP

Cliff Boodoosingh on June 22, 2009
Since the development of the first computers, people have been looking for newer and better ways to back up their data. Even today, new technologies are constantly evolving to provide computer users with faster, safer, and more simplified backup technologies that make the process of disaster preparedness that much easier and more robust.

Although frequent backups have always been important, IT administrators are becoming more demanding when defining their idea of “frequent”.

In the past, computers were backed up on a daily schedule. At first, this meant daily backups to tape. But as time went by, this evolved to include other media such as external hard drives, DVDs, and other media.

Considering the state of technology at the time, this was considered fine. Business operated at a slower pace, so it didn’t matter so much if the company lost a day’s worth of data.

But as technology evolved, it also enabled businesses to operate at a much faster pace than ever before. In a very short period of time, this 24 hour window has gained much more importance.

Losing just one day’s worth of files can now throw a company into a negative chain reaction of events that can take several days to recover from.

The Continuous Data Protection methodology was developed in response to this need. Now, rather than backing up data files at the end of the day, companies are able to instantly upload all incremental changes the moment a file is saved.

This means that the company can reduce its data loss window from 24 hours to just 15 minutes. The cost savings and convenience of this technology is one of the key factors that have lead to the mainstream acceptance of online backup as a leading disaster recovery method.
However, there are a few key points to keep in mind if you’ve been considering the implementation of a Continuous Data Protection solution within your organization.

Frequent backups can lead to significant bandwidth usage unless done properly. That’s why it’s important to make sure that your CDP solution also features block-level incremental backup capability.

Some files are not suited to the CDP methodology. For example, your Outlook PST files update every time an email is sent or received. For this reason, you need a CDP solution that allows you to single out certain files for daily backup, while still protecting all other files continuously.

Having said that, CDP technology has come a long way over the years, and there are lots of great solutions that will work great with your critical files. If you shop around, you’ll certainly find a Continuous Data Protection solution that’s right for your business.

About The Author:
Storagepipe Solutions provides online backup and email archiving solutions that help companies to simplify and automate the process of business continuity and disaster recovery management.


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