Help Center/ Data Lake Insight/ User Guide (Kuala Lumpur Region)/ Datasource Connections/ Enhanced Datasource Connections/ Modifying Host Information
Updated on 2022-12-07 GMT+08:00
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Modifying Host Information

Modifying Hosts Information

Method 1: Copy hosts information in /etc/hosts of an MRS node.

  1. Log in to any MRS node as the root user.
  2. Run the following command to obtain MRS hosts information. Copy and save the information.

    cat /etc/hosts

    Figure 1 Obtaining hosts information

  3. Log in to the DLI console, choose Datasource Connections > Enhanced. On the Enhanced tab page, select a connection and click Modify Host. In the displayed dialog box, paste the host information copied in 2. Click OK.

Method 2: Log in to FusionInsight Manager to obtain MRS hosts information.

  1. Log in to FusionInsight Manager.
  2. On FusionInsight Manager, click Hosts. On the Hosts page, obtain the host names and service IP addresses of the MRS hosts.
  3. Log in to the DLI console, choose Datasource Connections > Enhanced. On the Enhanced tab page, select a connection and click Modify Host. In the displayed dialog box, enter the host information. Click OK.

    The host information is in the format of Service IP address Host name. Specify the IP addresses and host names obtained in 2, and separate multiple records by line breaks.

    For example:

    192.168.0.22 node-masterxxx1.com

    192.168.0.23 node-masterxxx2.com

  • After this configuration, all hosts information is overwritten.
  • A host name or domain name can contain a maximum of 128 characters, including digits, letters, underscores (_), hyphens (-), and periods (.). It must start with a letter.
  • The host information is IP address Host name/Domain name format. Separate multiple records by line breaks.