Data archiving is a quiet market with significant potential. Given the growth in data volumes and intolerance for response time delays, interest in the capabilities of archiving, retention and restore software is reaching take-off speed. This has caused some mixed messages. Indeed, the confusion about the distinction between data archiving and data warehousing in the market, among vendors and end-user firms alike, is so pervasive that it requires clarification and even debunking. A data warehouse stores data for decision support and business intelligence (BI) and may itself require an archive process to remain healthy and make optimal use of the storage technology at its disposal. In the modern sense of the word, “archiving” is not substitutable for database backup, whether incremental or global, though backup may be involved at some point in the process of archiving. Nor is it substitutable or a replacement for “data warehousing.” Finally, archiving is neutral with regards to any particular hardware - it does not mean tape archive, though automated tape libraries (silos) or write once, read many (WORM) optical jukeboxes may be used in modern, policy-based data archiving systems. Data archiving, in the modern sense of the word, performs the following functions:


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