Tag: #폐쇄망 k0s 멀티노드 실측
Kubernetes, DevOps and MLOps, written from things we ran and measured ourselves · 3 posts
Air-gapped k0s multi-node actual measurement 3: Rook-Ceph and CloudNativePG on top of 3-node HA
All three nodes were configured as controller-cum-workers, and the API was bundled using k0s's CPLB (keepalived virtual IP) and NLLB (envoy per node) without an external load balancer. When stopping the node with the vir
2026-10-31 · 36 min read #쿠버네티스#k0s#폐쇄망#고가용성#RookClosed Network k0s Multi-Node Practical Measurement 1: How to Prove Internet Access Is Blocked, and a Single Node
Installing k0s in an internet-blocked environment is more about proving that "truly nothing went out" rather than deciding "what to bring in." This post records how we set up a closed network using a single bastion serve
2026-10-31 · 23 min read #쿠버네티스#k0s#폐쇄망#에어갭#nftablesClosed-network k0s multi-node actual measurement 2: While 2 nodes and the controller were stopped for 90 seconds, workers continued to respond
If you only have two servers, you naturally want to make both of them controllers. However, since the majority of 2 etcd members is 2, writes stop even if just one dies, and the tolerated number of failures is 0, same as
2026-10-31 · 18 min read #쿠버네티스#k0s#k0sctl#폐쇄망#etcd