Capacity-Aware Backup Orchestration For BorgBackup Fleets
Borg Backup Server is a self-hosted web GUI to schedule, monitor, and restore BorgBackup across many servers, reaching 215 GitHub stars, and its issues show the operational gaps that bite at fleet scale: adding a client fails inside Docker volume mappings, a large 2TB client fills the server disk because there is no capacity-aware guarding, and users want a containerized agent to back up appliances like TrueNAS. Admins want Borg's efficiency with central, safe orchestration. The wedge is capacity-aware, container-friendly Borg orchestration that does not fill disks or fail on the deployments admins actually run.
Problem Statement
An admin runs a central Borg dashboard in Docker to back up many servers, but adding a client fails because of volume-mapping assumptions, and a single large 2TB client fills the backup server's disk with no capacity guard, breaking other clients' backups. They cannot deploy a containerized agent to a TrueNAS appliance either, so central orchestration is unreliable and they revert to per-host scripts.
The Idea
A self-hosted orchestration layer for BorgBackup that manages many clients safely with capacity guarding and container-friendly agents so backups never fill the server disk.
Why Now
Self-hosting and ransomware fears pushed admins to own their backups in 2026, and BorgBackup is the efficient core, but Borg Backup Server's issues show the orchestration layer fails on Docker deployments and lacks capacity guarding, the operational basics needed to trust it across a fleet.
Target User
Sysadmins and self-hosters managing backups across many servers and appliances
Target Market
Self-hosted backup orchestration and management
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