Agentless Backup Systems

Agentless backup and recovery solutions rely on an external system to manage and perform the backup operations for each source system. In theory, all processing, storage, replication, and other functions happen on, or are managed by, the host or the central backup controller.

Regardless of the method used, agentless backup has the following perceived advantages:

  • No per-client licensing
  • Host-based processing relieves clients from this work
  • Configure backup processing centrally at the host rather than on each client

Both agentless backup methods share the following disadvantages:

  • Must leverage a host agent or install a temporary agent to perform backup
  • Fast continuous incrementals are impossible without a temporary (injected) driver or agent
  • Temporary “injected” drivers can destabilize the system and compromise data integrity
  • Troubleshooting is more complex when using injected (temporary) agents
  • In some implementations, fees are based on the amount of data stored or processed by the host or backup controller
  • A centralized controller is a single-point-of-failure

 

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