=== 새 postgres 가 Pending 인 이유 ===
Events:
  Type     Reason            Age    From               Message
  ----     ------            ----   ----               -------
  Warning  FailedScheduling  4m45s  default-scheduler  0/2 nodes are available: 1 node(s) didn't match PersistentVolume's node affinity, 1 node(s) had untolerated taint(s). no new claims to deallocate, preemption: 0/2 nodes are available: 2 Preemption is not helpful for scheduling.

=== keycloak-0 대체 파드가 안 생기는 이유 (StatefulSet) ===
keycloak   2     <none>   1
keycloak-0                  1/1   Terminating   0     30m
keycloak-1                  0/1   Running       0     143m

=== 복구 — 노드 재기동 ===
재기동 시각: 12:16:31
Domain 'kc-lab-2' started

  +30초  node=Ready | Running 파드 3 개 | 외부 HTTP 503
  +60초  node=Ready | Running 파드 3 개 | 외부 HTTP 200
  → 서비스 복귀