A powerful backup system capable of operating on a distributed P2P basis
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Bacsy
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README.rst

Welcome to Bacsy's documentation!

For the complete documentation, see http://bacsy.readthedocs.org/en/latest/index.html.

What is Bacsy?

Bacsy is a backup system (hence the name).

Essential points:

  • Distributed
    A device using Bacsy to backup its data will send the backups to other devices also running Bacsy.
  • Easy to add a new device
    In a default configuration, if you add a new device running Bacsy to your LAN, backups will automatically be stored on that device.
  • Redundant
    Backups will usually be stored on multiple devices.
  • Fast to setup ...
    A basic configuration should be quick to achieve
  • ... yet extremely adjustable
    A plethora of configuration options are available.

How does Bacsy work?

Bacsy is made up out of two components:
  • A Client
    The client generates backups and sends them to one or more servers.
  • A Server
    A server accepts and stores backups for one or more clients.

Most systems will have both a client and a server running. Systems that have no need to generate backups of their own (e.g. dedicated backup servers) will have only a server running.

Client

A client has a number of sources. Each source specifies what files should be backed up, how often they should be backed up, how important they are, etc.

When the client has a backup it needs stored, it will ask qualifying servers if they can store this backup. If the servers respond they can, the backup will be sent to them.

Server

A Bacsy server stores backups. Each server has one or more stores. A store is a location where backups can be stored, usually some directory on some drive. Backups will often be stored to multiple stores on the same server, for redundancy purposes.