Downloading an MRS Client

Log in to MRS Manager. For details, see Login to MRS Manager.
Choose Services.
Click Download Client.
In Client Type, select All client files.
In Download To, select Remote host.
Set Host IP Address to the IP address of the newly applied ECS, Host Port to 22, and Save Path to /tmp.
- If the default port 22 for logging in to an ECS through SSH has been changed, set Host Port to a new port.
- The value of Save Path contains a maximum of 256 characters.
Set Login User to root.

If another user is used, ensure that the user has permissions to read, write, and execute the save path.
Select Password or SSH Private Key for Login Mode.
- Password: Enter the password of user root set during cluster creation.
- SSH Private Key: Select and upload the key file used for creating the cluster.
Figure 1 Downloading a client
Click OK to generate a client file.
- If the following information is displayed, the client package is saved. Click Close. Obtain the client file from the Save Path of the remote host that is set when the client is downloaded.
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Client files downloaded to the remote host successfully.
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- If the following information is displayed, check the username, password, and security group configurations of the remote host. Ensure that the username and password are correct and an inbound rule of the SSH (22) port has been added to the security group of the remote host. And then, go to 2 to download the client again.
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Failed to connect to the server. Please check the network connection or parameter settings.
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Generating a client will occupy a large number of disk I/Os. You are advised not to download a client when the cluster is being installed, started, and patched, or in other unstable states.