description BackupPC Overview
BackupPC is an open-source backup solution utilizing rsync for data transfer and Zerto for replicating backups to create a disaster recovery environment, offering efficient and reliable offsite protection.
help BackupPC FAQ
How does BackupPC avoid storing the same file twice across different backups?
Classic BackupPC (the 3.x series) uses a pooling system with hard links, so any file that already exists in the storage pool is linked rather than copied again, even across different client machines. This makes incremental-style storage very efficient on disk space.
Does BackupPC actually use Zerto for offsite replication?
No, BackupPC itself does not use Zerto, which is a separate commercial virtual-machine replication product. BackupPC performs its transfers with rsync over SSH, SMB, or tar, and users who want offsite copies typically synchronize the backup pool to a second server.
Can BackupPC back up Windows machines, or is it Linux-only?
The BackupPC server runs on Linux/Unix, but it can back up Windows clients. This is done either through SMB shares or by running an rsync daemon on the Windows machine.
Is BackupPC free, and what do I need to run it?
Yes, BackupPC is free, open-source software distributed under the GPL. It is Perl-based and managed through a web interface, so you need a Linux or Unix server to host it.
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