diff --git a/content/en/docs/tasks/debug-application-cluster/debug-cluster.md b/content/en/docs/tasks/debug-application-cluster/debug-cluster.md index 2b726a98a7..4e95d82905 100644 --- a/content/en/docs/tasks/debug-application-cluster/debug-cluster.md +++ b/content/en/docs/tasks/debug-application-cluster/debug-cluster.md @@ -100,11 +100,11 @@ This is an incomplete list of things that could go wrong, and how to adjust your - Action: Use IaaS providers reliable storage (e.g. GCE PD or AWS EBS volume) for VMs with apiserver+etcd - Mitigates: Apiserver backing storage lost -- Action: Use (experimental) [high-availability](/docs/admin/high-availability) configuration - - Mitigates: Master VM shutdown or master components (scheduler, API server, controller-managing) crashing +- Action: Use [high-availability](/docs/admin/high-availability) configuration + - Mitigates: Control plane node shutdown or control plane components (scheduler, API server, controller-manager) crashing - Will tolerate one or more simultaneous node or component failures - - Mitigates: Apiserver backing storage (i.e., etcd's data directory) lost - - Assuming you used clustered etcd. + - Mitigates: API server backing storage (i.e., etcd's data directory) lost + - Assumes HA (highly-available) etcd configuration - Action: Snapshot apiserver PDs/EBS-volumes periodically - Mitigates: Apiserver backing storage lost