Increased system resources required to re-compress and re-encrypt the archive. Including the entire archive again in your backup selection has several drawbacks: By encrypting and compressing the files on your computer, the Code42 agent creates a dense archive for storage. The Code42 agent is most efficient at backing up your original files. You cannot use the Code42 agent to back up a Code42 backup archive. Verify that the Space used is reasonable for your file selection size and previous backup completion. From the list of existing destinations, select the destination containing the archive you are verifying. From Home, select Settings > Destinations. The amount of space used by your backed up files is consistent with the size of your file selection and backup completion percentage. All your files are available for download during this process. Progress is much, much faster than a full initial backup because information that is already backed up is not re-sent. If the Code42 agent is re-scanning your files, you may see one or more of the following: When this happens, it may look like the Code42 agent is backing up all your files from the beginning, but it is actually reviewing each block to see what has been backed up already. Occasionally, the Code42 agent needs to re-scan your files to see what's already backed up, for data deduplication. In this way, only unique information is backed up, which saves bandwidth and storage and makes restoring faster. The process repeats for the next block within the file until the Code42 agent has analyzed and backed up the entire file. Sends the block to the backup destinationĭata is securely encrypted throughout this process. Compresses the block to save storage space. If the block has not yet been backed up, the Code42 agent:. 
If that block was already backed up, the Code42 agent moves on and analyzes the next block.
The Code42 agent analyzes a small piece of the file (a block), and checks to see if that block was backed up previously. Backup begins with a process called data deduplication.This is what happens when the Code42 agent starts backing up your document: When you create a document, t he real-time file watcher sees that you've created this document and adds it to the to-do list for backup. It adds new and changed files to a to-do list. The Code42 agent constantly watches for new and changed files within your home directory with what we call the real-time file watcher. In this example scenario, the Code42 agent is using its default settings and is backing up your user home directory.
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