Deduplication (dedupe) is all over the place these days, with systems and services emerging on a variety of fronts. Deduping is the process of removing redundant data like operating system files, files that haven't changed, or files stored in multiple users' folders and e-mail archives, so that those files are only backed up once. Several large companies are offering online backups using dedupe technology, and there are dozens of products that can back data up to tape or disk after deduping.
Corporate IT warms up to online backup services (Computerworld)
Deduplication is becoming necessary technology in the data center, with every company I know of dealing with explosions in data storage. Backup management can be extremely complex and the best backup strategies can come at a very high price. Hitachi recently inserted themselves in the market with virtual tape library appliances and NetApp has introduced tools for recovery of virtual servers, another technology that is becoming necessary for many organizations.
Hitachi offers plug and play VTL appliance with deduplication (Computerworld)
We have had a deduplicating backup system for a couple of years now and we are in the unenviable position of having to expand as a result of the explosion of data over the last couple of years. I am in the process of crafting a backup strategy that will not break the bank, but still provide the level of service that our dedupe backup system has conditioned our users to expect. My short term headache is that I will probably be forced to start using tape for some backups until our current system can be expanded. Have you explored the deduplication options?
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