It is good to familiarize yourself with the different backup types available if you are trying to compare systems to decide which is right for your needs. These backup systems include full backups, differential backups and incremental backups. Explanations of all of these backup systems are outlined below including suggestions regarding backup combinations that can work out well.

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A full backup is always required as a first step in any backup system. A full backup means that every data file in your system is backed up onto a disk or server. A full back up is very time consuming but it is an essential starting point for any backup plan.

A backup system that backs up only the data that has changed in the time that has passed since the previous backup was done is called a differential backup. To illustrate how this works, imagine that your data was fully backed up on Thursday, when the following day’s scheduled backup starts on Friday, it will only backup new data that was created between the time the Thursday’s backup was completed and Friday’s backup started. This type of system is is very advantageous for saving time since complete restores of computer data only use the latest differential backup which is much less time intensive than backing up the whole of the data.

By contrast, a backup system which saves multiple backups is called an incremental backup. Incremental backups do not just backup the data changes in the way that that differential backup technology does. Every initial data set gets backed up and is only store one time. Subsequent backups are comprised of only the data that changed in the time between the current and previous backup.

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It is a good idea to narrow down how you use or combine these different backup systems and only use one of the following combinations. The first choice isn’t a combination but rather the old fashioned backing up of all your data each time regardles of what has changed or not. The second choice is to fully backup your data combined with incrementally backing it up. This means you do a full backup periodically but do incremental backups regularly. Your last choice is to do full backups periodically together with differential backups regularly. As mentioned, differential backup technology saves only the data that changed during the time frame between your previous full data backup and the differential backup you are performing currently.

As has been outlined, the three main backup types are full backups, differential backups and incremental backups. It is time intensive to perform a full back up but you must always fully backup your data as the first step. The system that just backs up the changes made since the previous backup is called a differential backup. Lastly, an incremental backup saves multiple backups and not only the last one. By choosing a combination of these backups as outlined above, you can leverage the benefits of each to create a back up plan to best secure your computer data.

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