What are the methods of data backup?

Data backup methods include: 1. Remote tape library and optical disk library backup; 2. Remote key data tape backup; 3. Database backup; 4. Extend the mirror disk through high-speed fiber channel lines and disk control technology To a place far away from the production machine, the mirror disk data is completely consistent with the main disk data, and the update method is synchronous or asynchronous.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The security and reliability of data is an extremely important asset for an enterprise, and ensuring data loss is a necessary skill for operation and maintenance engineers. The following introduces the following methods for data backup.

Method 1. Remote tape library and CD library backup:

Is to transfer the data to the remote backup center to make a complete backup tape or CD.

Method 2. Remote key data tape backup:

Use tape to back up data, and the production machine real-time backup machine sends key data.

Method 3. Database:

is to create a copy of the main database on a backup machine that is separate from the production machine where the main database is located.

Method 4. Network data:

This method is to monitor and track the database data of the production system and the updates of important target files that need to be tracked, and The update log is transmitted to the backup system through the network in real time, and the backup system updates the disk based on the log.

Method 5. Remote mirroring:

Use high-speed fiber channel lines and disk control technology to extend the mirror disk to a place far away from the production machine, and the mirror disk data is consistent with the main disk The data is completely consistent, and the update method is synchronous or asynchronous.

Backup is more about ensuring the security of data, ensuring that data can be restored under abnormal circumstances, and ensuring that data is not leaked. For different types of data, different generation environments, and data backup methods, there are different methods.

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