Frequently asked questions-Unstructured Data FAQBusiness issues of unstructured data <<previous|next>> :How can a company set retention policies with such a glut of unstructured data?
What is the impact of unstructured data on backup and restore and disaster recovery in general?
Remember that backups also tend to multiply the volume of data that you're trying to protect. Not only do you need several full backups over time, but you must also contend with numerous incremental backups. For example, if you make weekly full backups and keep each backup for a month, you'll have four full backups on hand at any given time, not counting incremental backups. As your corporate data grows out of control, that spiraling volume is simply multiplied in your backups. The time and tape storage costs can become significant. This is a case where data deduplication technology can play an important role in backup, though it will never replace sound retention policies and decision making.
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27 Mar 2007