![]() ![]() One more important detail is that the VSS snapshot saves the state of the data at the moment when the process began, thus not saving any changes to the data that were made in the process of snapshot creation. It is worth mentioning that an application that isn’t “aware” of VSS can still be backed up using shadow copy of the process or the open file, although in that instance there may be no guarantee that the data itself is consistent. Such adapted apps can be called VSS writers they are aware of VSS’s existence and can create consistent states for themselves when they see Bacula’s snapshot command working. Since VSS is quite old as a technology – quite a lot of Windows-based applications were already adapted to its specifics. VSS (Volume Shadow Copy Service) support allows Bacula to create backups of open files and applications in the middle of the working process - creating consistent data copies. Volumes that are saved in this new format are called aligned volumes (or deduplication optimized volumes). For example, Bacula v.9.0.0 introduced a new data volume format used to optimize the file placement to help underlying deduplication file systems like ZFS with backup data deduplication. There’s also several brand new features that make backup creation and data restore even easier than before, like data deduplication – a unique algorithm that usually allows backups to take up significantly less storage space. This variety is natively supported throughout Bacula’s various technologies that heavily protect against any possible data loss or corruption of data. You can use anything from basic disks to NAS, SAN, many different tape types, or Amazon cloud. When it comes to choosing your future backup storage type, Bacula is especially flexible. Using Bacula allows you to meet your set RTOs and RPOs no matter what the data type is – be it files, MS SQL databases, Hyper V virtual machines, Active Directory objects, MS Exchange mailboxes or others. The backups that Bacula performs can easily go unnoticed – they don’t interrupt your work or affect its performance in any other way. Bacula is an especially secure backup and recovery solution, for those looking for enterprise grade security. This is done using the included SSL/TLS support between Bacula components. Bacula’s unique architecture keeps your data safe at every possible point in time, not only at the storage level or the hardware level, but also in such things as transmission channels or with the data volumes themselves. Of course, Bacula is not a complete disaster recovery system on its own – but it can readily become the central software part of such a backup system with sufficient planning beforehand.Īs a free Windows backup tool, Bacula has several key points when it comes to backup and recovery capabilities. Bacula Community allows you to both back up and recover data while working with a number of Windows versions, from legacy versions, such as Windows 2000, XP and Windows Server 2003 to more modern ones, including Windows Server 2008, 20, Windows 7, Windows 8, etc. Both file and storage daemons of Bacula run on Windows - and its vast array of features and backup policies allow users to create a backup of any size and with any data type included - with an impressive speed, as well. For people looking to have a free backup of their Windows machine or server – Bacula, an open source Windows backup software, is able to do that with ease. ![]()
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