Network Is Unreachable When Python Is Installed on an MRS Cluster Node Using Pip3

Symptom

When a user runs the pip3 install command to install Python, an error message is displayed, indicating that the network is unreachable.

For details, see the following figure.

Cause Analysis

The user does not bind an EIP to the master node.

Procedure

1. Log in to the MRS management console.
2. Choose Active Clusters, select the faulty cluster, and click its name to check the Basic Information on the Dashboard tab page.
3. On the Nodes tab, click the name of a master node in the master node group to log in to the ECS console.
4. Click the EIPs tab and click Bind EIP to bind an EIP to the ECS.
5. Log in to the master node and run the pip3 install command to install Python.