Three backup methods - LAN base, LAN free, serverless
Three backup methods LAN base, LAN free and serverless
1. LAN backup
This method is very simple. You can directly install a backup agent on the production server and deploy a backup server to complete the backup. However, this method is not suitable for the environment with a large amount of data. Because of the amount of backup data is very large, it will occupy the bandwidth of Ethernet so that this method is not suitable for large amounts of data.
2. LAN free backup
Just as the name implies, LAN free releases the pressure on LAN. Data flow without a Lan. In this way, the bandwidth of the primary network will not be occupied. However, the data will still pass through the file server's local disk-memory, so it will still consume the resources.
Or there is NDMP, Network Data Management Protocol, Network Data Management Protocol. It is a communication protocol that enables intelligent data storage devices, tape library devices, and backup applications to communicate with each other to complete the backup process. As long as the server sends THE NDMP instruction to the storage device that supports the NDMP protocol, the storage device can send its own data directly to other devices without having to flow through the server host.
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