Veeam full backup

The virtual full method allows you to transform forever forward incremental backup chains created by source backup and backup copy jobs to save them to tapes. The forever forward incremental chain always keeps on disk one full backup followed by a fixed number of increments. The full backup is constantly rebuilt: as new increments appear, veeam full backup, the veeam full backup ones are injected into the full. Unlike disk backups, tape archives are static: tape jobs cannot rebuild backups once they are written to tape.

In some cases, you need to regularly create a full backup. For example, your corporate backup job may require that you create a full backup on weekend and run incremental backup on work days. To let you conform to these requirements, Veeam Agent lets you create active full backups. When Veeam Agent performs active full backup, it produces a full backup file and adds this file to the backup chain. The active full backup resets the backup chain. All incremental backup files use the latest active full backup file as a new starting point. A previously used full backup file and its subsequent incremental backup files remain on the disk.

Veeam full backup

You can create an ad-hoc full backup — active full backup, and add it to the backup chain on the target storage. The active full backup resets the backup chain. All subsequent incremental backups use the active full backup as a starting point. The previously used full backup will remain on the target storage until it is removed from the backup chain according to the retention policy. If you have a file-level backup job configured in Veeam Agent and you need to extend the volume where backed-up files reside, we strongly recommend to create an active full backup after the volume is extended. Otherwise, Veeam Agent may skip files during the job run even if these files are added to the backup scope. If only one job is configured in Veeam Agent for Microsoft Windows, you can also start the active full backup task from the system tray menu:. The Backup option is not available in the system tray menu if multiple backup jobs are configured in Veeam Agent for Microsoft Windows. Download PDF. IMPORTANT If you have a file-level backup job configured in Veeam Agent and you need to extend the volume where backed-up files reside, we strongly recommend to create an active full backup after the volume is extended. View all results across Veeam.

Submit report. Additionally, restore operations from the most recent point in time are faster, veeam full backup the most recent point in time is always the full backup VBK. The active full backup resets the backup chain.

However, there are several methods available for exactly how those files are created and stored on the file system. This section will provide an overview of these methods, their pros and cons, as well as recommendations on use cases for each one. For a graphical representation of the mentioned backup modes in this section, please see Veeam KB The forward incremental backup method is the simplest and easiest to understand; it generally works well with all storage devices although it requires more storage space than other backup methods due to the fact that it requires the creation of periodic full backups either using active or synthetic backups , typically scheduled weekly. This is necessary because the incremental backups are dependent on the initial full backup; thus, older backups cannot be removed from retention chain until a newer backup chain is created. When a new full backup arrives, a new chain is started, and the old backups can be removed once the new chain meets the retention requirements.

Many times when I explain how Veeam backups work, people have questions about how data is moved for incremental backups. In addition, there are frequent questions about the differences between incremental and differential backups. First, there are no differential backups with Veeam. A differential backup is somewhat of a carry-over from the disk-to-tape era where there is a full backup with a comprehensive collection of the changes. A restore would have a full backup tape and a second tape with all changes in the form of a differential backup. This would help in avoiding tape changes multiple tapes required for a restore , which is another relic from the disk-to-tape era. The figure below visualizes a differential backup:. The differential backup would make it so that the tape set with the full backup and the tape set with the differential backup could access a restore point.

Veeam full backup

In some cases, you need to regularly create a full backup. For example, your corporate backup job may require that you create a full backup on weekend and run incremental backup on work days. To let you conform to these requirements, Veeam Agent lets you create active full backups. When Veeam Agent performs active full backup, it produces a full backup file and adds this file to the backup chain. The active full backup resets the backup chain. All incremental backup files use the latest active full backup file as a new starting point. A previously used full backup file and its subsequent incremental backup files remain on the disk. After the last incremental backup file created prior to the active full backup becomes outdated, Veeam Agent automatically deletes the previous backup chain. You can create active full backups manually or schedule a backup job to create active full backups periodically.

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Back to document search. If you delete a full backup file, the whole chain of incremental backup files will become useless. View all results across Veeam. This method allows backups space to be utilized efficiently, as there is only a single full backup on disk due to a merge process. You must load tapes to the tape device and configure the target media pool so that it has access to them. To create an active full backup manually, use the Active full backup command from the Veeam Agent Tray menu. Click Latest to archive only the latest backup chain to tape. The subsequent full backup files can be the following: Active The active full backup contains the copy of a VM. After the last incremental backup file created prior to the active full backup becomes outdated, Veeam Agent automatically deletes the previous backup chain. If a synthetic full is scheduled, when the job runs, it first creates a normal incremental backup to collect the most recent changes.

You can create an ad-hoc full backup — active full backup, and add it to the backup chain on the target storage. The active full backup resets the backup chain.

The synthetic full backup has a number of advantages: The synthetic full backup does not use network resources; it is created from backup files you already have on disk. It is recommended to enable compacting on backup jobs running in reverse incremental mode without periodical active full backups enabled. For example, you can set Friday as the virtual full day, and schedule the tape job to run on Saturday. In this case, the backup job schedule will contain information that the job must start on Monday, Tuesday and Friday at This can be especially noticeable for VMs with a high random change rate, or when running multiple simultaneous jobs, and is more noticeable on low-end storage or de-duplication appliances. If you want to start the job right after you close the wizard, select the Run the job when I click Finish check box, otherwise leave the check box unselected. The forward incremental backup method produces a backup chain that consists of the first full backup file. The Backup option is not available in the system tray menu if multiple backup jobs are configured in Veeam Agent for Microsoft Windows. Recommendations on Usage Due to the way this synthetic full process works, having many smaller backups jobs with fewer VMs will perform synthetic full processing faster than having very large backup jobs with many VMs. In some cases, you need to regularly create a full backup. Download PDF. Such series are convenient for restore: you will need to load to the tape device only those tapes that are part of one series. This method allows backups space to be utilized efficiently, as there is only a single full backup on disk due to a merge process.