Upgrading Open vSwitch
Notes from upgrading Open vSwitch and the operational care needed around networking changes.
Notes from upgrading Open vSwitch and the operational care needed around networking changes.
A code-level look at how OpenStack retrieves instance console URLs through XVP when using XenAPI and XenServer.
A look at the host network stack and the operational details that matter when debugging virtual networking.
The startup path for a Nova VM on XenServer and the Open vSwitch wiring that happens underneath.
A scratchpad-style deep dive into how Open vSwitch and Linux HTB expose rate limits for XenServer virtual interfaces.
The hardware and software I used for a small home lab focused on OpenStack coding and deployment tooling.
A deep dive into Nova snapshot image creation with XenAPI, XenServer, and Glance, following the storage and upload path.
A code-path walkthrough of OpenStack Nova rescue mode when the XenAPI driver is managing XenServer instances.
A step-by-step look at how Nova resize-down works with XenAPI and XenServer, from API call through cleanup.
A detailed walkthrough of the Nova resize-up flow with XenAPI and XenServer, including the migration and VHD staging work.