Table of Contents
1. Introduction
Welcome to the ZCHPC User Manual. This guide will help you navigate Xen Orchestra, manage virtual machines (VMs), and use snapshots effectively. Firstly, you need to apply for an account by visiting https://zchpc.ac.zw/accountapplication
2. Getting Started
2.1 Logging In
To log in to Xen Orchestra, visit https://cloud.zchpc.ac.zw OR uz.zchpc.ac.zw (replace "uz" with your respective university/organisation abbreviation if accessing through your secure campus VPN, e.g. msu.zchpc.ac.zw). Enter your username and password to access your dashboard.
2.2 Navigating the Interface
The dashboard shows an overview of your VMs and system resources. Use the left-hand menu to navigate between sections like Home, VMs, Snapshots, and Storage.
3. Virtual Machine Management
3.1 Creating a New VM
To create a VM, click on the 'Create VM' button, select a template, assign resources, and configure storage. Click 'Create' to start your new VM.
3.2 Starting, Stopping, and Restarting VMs
To start, stop, or restart a VM, select it from the list and use the respective buttons: 'Start', 'Stop', or 'Restart'.
3.3 Accessing VM Consoles
You can access the console of a VM to interact with it directly. Select the VM and click 'Console'.
3.4 Deleting a VM
To delete a VM, select it from the list and click 'Delete'. Confirm the action to permanently remove the VM.
4. Working with Snapshots
4.1 Creating Snapshots
To take a snapshot of a VM, select it and click 'Snapshot'. Name the snapshot and click 'Create'.
4.2 Reverting to a Snapshot
To revert to a snapshot, go to the 'Snapshots' tab, select the snapshot, and click 'Revert'.
4.3 Deleting Snapshots
To delete a snapshot, select it from the 'Snapshots' tab and click 'Delete'.
5. Resource Monitoring
5.1 Monitoring VM Performance
You can monitor the performance of your VMs by checking CPU, memory, and network usage in the VM details.
5.2 Viewing Storage Usage
Monitor your storage usage by going to the 'Storage' tab and checking how much disk space your VMs are using.
6. Best Practices
6.1 Managing VM Performance
Ensure you allocate only the necessary CPU and memory to avoid performance issues. Regularly monitor and adjust resources as needed.
6.2 Regular Snapshots
Take regular snapshots of your VMs, especially before making significant changes.
7. Troubleshooting
7.1 Common Issues
If a VM isn't starting, check resource allocation and contact your system administrator if the issue persists.
8. Appendix
8.1 Further Reading
For more information, visit the official Xen Orchestra documentation or ask your system administrator for help: support@zchpc.ac.zw .
