D2D2C (disk-to-disk-to-cloud) is an approach to hybrid cloud
backup that involves using local storage for staging data that will eventually be sent to a
storage service provider.
The backup is stored on local disk first so it can be captured at high speed. Later on,
backup software or a cloud storage
appliance is used to encrypt and transmit the data to the cloud service provider. After
the backup has been transferred to the cloud, the first-in backup data on the local disk may be
discarded to make room for the next backup. The last-in backup is retained in case it is
needed for quick data recovery.
See also: FIFO
This was last updated in May 2011
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