Servers
The servers of your cluster.
The installer starts a cluster of one server. The console's Servers page lists every server of the cluster and manages them: add servers, stop new work on one, move its work away and remove it.
Roles
| Role | What it does |
|---|---|
| Worker | Runs workloads |
| Control plane | Also joins etcd for high availability |
Labels and taints
Labels and taints, in the server's menu, are edited per server. A service can be pinned to servers
with matching labels through its Node selector
(Configuration → Placement), for example pool=gpu.
Cordon and uncordon
Cordon stops new instances from being scheduled on a server. Running ones stay. Uncordon resumes scheduling.
Operations
Every operation (add, drain, remove) is saved with the account that started it, its steps and its log. Only one operation runs per server at a time. An operation interrupted by an API restart is marked failed; check the server and start it again.
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