An express full backup is a type of synchronization in which the protection agent transfers a snapshot of all blocks that have changed since the previous express full backup (also since the most recent consistency check performed or the initial replica creation for the first express full backup) and updates the replica to include the changed blocks. The impact of an express full backup operation on performance and time is expected to be less than the impact of a full backup because DPM transfers only the blocks changed since the last express full backup.
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| The express full backup uses DPM’s filter technology to identify the changed blocks instead of requiring DPM to read all the data or use checksums. This reduces the performance load on the protected computer significantly. |