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D2D2T
Last modified: Tuesday, August 28, 2007
Short for disk-to-disk-to-tape, D2D2T is an archivingdevice where data is first
backed up on a disk system, but then is spooled to a tape or an optical
storage system. The D2D2T device can help eliminate data loss issues companies
experience with tape drive or tape failure. Using a D2D2T system of
backup keeps
a copy of the data on-site for faster retrieval but also enables you to keep
tape copies off-site for disaster recovery purposes. D2D2T devices may be
appliances, virtual tape or disk libraries.
Disk-to-disk-to-tape backup alternatives Although backup and recovery (B/R) contributes to data protection, it also introduces numerous problems into storage operations. Tape products, being mechanical devices, have higher failure rates than purely electronic components.
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