diff --git a/docs/architecture/fencing.md b/docs/architecture/fencing.md index 982c359..b8f23ad 100644 --- a/docs/architecture/fencing.md +++ b/docs/architecture/fencing.md @@ -2,7 +2,11 @@ title: Fencing --- -PVC features a fencing system to provide automatic recovery of nodes from certain failure scenarios. This document details the fencing process, limitations, and expectations, as well as how this factors into georedundant designs. +PVC features a fencing system to provide automatic recovery of nodes from certain failure scenarios. This document details the fencing process, limitations, and expectations. + +You can also view a video demonstration of the fencing process in action here: + +[![Fencing Demonstration](https://img.youtube.com/vi/ZnhJ91-5y1Q/hqdefault.jpg)](https://youtu.be/ZnhJ91-5y1Q) [TOC] @@ -16,10 +20,6 @@ Fencing is enabled by default for all nodes that have the `fence_intervals` conf Fencing can be temporarily disabled by setting the cluster maintenance mode to `on` and resumed by setting it `off`. This can be useful during maintenance events however the administrator should be careful to `flush` any affected nodes of running VMs first to avoid trouble. -You can view a demonstration of the fencing process in action here: - -[![Fencing Demonstration](https://img.youtube.com/vi/ZnhJ91-5y1Q/hqdefault.jpg)](https://youtu.be/ZnhJ91-5y1Q) - ## IPMI Configuration For fencing to be enabled, several configurations must be correctly set.