Data that can be backed up and restored within a FusionInsight HD environment

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FusionInsight HD provides backup functions for system and user data within each component. The data mainly includes databases and configuration files for the Manager component, user information, DBService metadata, HBase user service data, and HDFS metadata and user service data.

Other related questions:
What data can be backed up in FusionInsight HD?
FusionInsight HD provides backup functions for system and user data within each component. The data mainly includes databases and configuration files for the Manager component, user information, DBService metadata, HBase user service data, and HDFS metadata and user service data.

Method used to back up MQ data in a FusionInsight Farmer environment
MQ information is persistently stored on an SSD. When an exception occurs, SSD data can be automatically collected if the SSD is unformatted. The cluster does not provide independent MQ data backup and restoration functions.

How to back up and restore U1930 data
1. Log in to the device using the LMT and access the config mode. 2. Choose Version > Configuration File Management, select the files to back up, set Execution Mode to Back Up, specify the backup directory, select the corresponding device, and click Execute. 3. Check the backup files. 4. After the backup is complete, click Open Directory, open the backup directory, and check whether the folder named after the device IP address contains a configuration file with the file name in format of _YYYYMMDDhhmmss (for example, license_20131106114255.dat). 5. Archive the configuration file for future system recovery. 6. Use the TFTP tool to upload the configuration file to the device when you need to restore the data.

User types within a FusionInsight environment
FusionInsight supports human-machine users and machine-machine users. Passwords of human-machine users can be customized based on the password policy. Those of machine-machine users are randomly generated by the system. The two kinds of users can co-exist in a FusionInsight cluster.

User management methods within a FusionInsight environment
The FusionInsight administrator can manage users on the Manager page in GUI mode, such as modifying user information, locking or unlocking users, deleting users, and resetting passwords, among other options. In addition, the administrator can use the kadmin console command to manage users on clients.

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