D2D2T


Also found in: Acronyms.

D2D2T

(Disk-to-Disk-to-Tape) Backing up data onto disks first and tape (or optical disc) second. Backing up onto tape is performed at less frequent intervals than from disk to disk. See D2D and virtual tape.
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Unlike tape emulation, which replaces a tape drive with a virtual hard disk equivalent, D2D2T allows users to manage the storage of data closer to an Information Lifecycle Management (ILM) model.
With D2D2T, you can transfer your data to disk at night at a much faster rate than to tape, and then migrate that data to tape, as you need to.
The ILM capabilities of D2D2T give you the ability to manage your data to specific time requirements.
A staged D2D2T system gives you the ability to manage the time data is transferred directly to disk, rather than to tape.
In a truly integrated D2D2T solution, you also have the ability to perform individual file recovery from the offsite data, making data restore of a single file or an entire data recovery simple and fast.
Breece Hill's all-in-one systems typically cost 30 percent less than a comparable D2D2T solution assembled from individual disk and tape hardware.
Figure 1 shows the integration of D2D2T in the network
One of Breece Hill's early D2D2T customers preferred to do full backups to tape each and every day of the week.
During an evaluation of a D2D2T backup appliance that uses the iSCSI protocol, serial ATA disks and built-in software to provide backup acceleration, they achieved some eye-opening results.
Having recently announced that Backup Exec is shipping with our InteliStor(TM) D2D2T product and experienced the positive feedback from channel partners and users, we believe the expansion into tape-based backup solutions provides a very high value proposition for the market.
These latest trends go by the acronym of D2D (disk to disk) or D2D2T (disk to disk to tape).