Installation

Help users to solve the problems encountered during installation and deployment.

What hardware environments are supported by the product?

The product supports x86 servers (rack, blade, tower, whole cabinet), workstations or desktops with hardware virtualization features, and supports mainstream Intel or AMD processors.

What operating systems does the product support direct deployment on?

Currently OneCloud supports deployment on CentOS 7.x operating systems, using an installation script to automatically install the deployment.

For details, please see “Installation in Installation Content.

How many machines are required to install and deploy the product?

OneCloud only one machine is required for the minimum installation, as both a management node and a compute node.

Separate deployments are recommended for production environments, and OneCloud only one management node is required to control the infrastructure.

What is the minimum configuration requirement for the machine to install and deploy the product?

8-core CPU, 16GB RAM, 200GB storage. The minimum configuration is only applicable to the test environment.

Can I install a control node on a server of the product?

Yes. For management nodes it is recommended that the server be configured with ≥8 CPU cores and ≥16GB of memory, otherwise you may encounter problems such as installation lag.

Can I have a node using a Server for a multi-node deployment?

Yes, it is recommended to deploy a management node using a server configured with no less than 8 core CPUs and 16GB of memory. It is recommended to use a Server node with at least 8 core CPUs and 16GB RAM. The Server node should be connected to the physical server network using a bridge.

How do I install the product?

We support direct installation and deployment of OneCloud using OneCloud DVD images. For installation of OneCloud using the image, please see “Installation

What should I do if the startup time is too long after installing the product with one click?

The management node startup time is related to the node configuration resources, and the excessive time occurs only when OneCloud is installed on the server.

Solution: It is recommended to configure CPU cores ≥ 8 and memory ≥ 16GB when using a virtual environment.

How to upgrade the control node and compute node of an existing product by DVD image?

  1. Mount the newly downloaded ISO image in the /mnt directory of the control node or compute node .

    ## The upgrade operation must be performed with any user who is not root
    $ su yunion    
    $ sudo mount -o loop Yunion-x86_64-DVD-3.0-x.iso /mnt
    
  2. Go to “/mnt/yunion” directory and execute upgrade.sh script, which will automatically update each component software and restart the service.

    $ cd /mnt/yunion
    $ ./upgrade.sh