=== 왜 한쪽만 DOWN 인가 — 코디네이터 여부 확인 ===
       name       |       ip        | coord 
------------------+-----------------+-------
 keycloak-0-24309 | 10.42.1.77:7800 | t
 keycloak-1-45480 | 10.42.0.42:7800 | t
(2 rows)

=== 양쪽 헬스체크 상세 ===
--- keycloak-0 ---
{"status":"UP","checks":[{"name":"GracefulShutdown","status":"UP"}
{"name":"KeycloakInitialized","status":"UP"}
{"name":"Keycloakclusterhealthcheck","status":"UP"}

--- keycloak-1 ---
{"status":"DOWN","checks":[{"name":"GracefulShutdown","status":"UP"}
{"name":"Keycloakdatabaseconnectionsasynchealthcheck","status":"UP"}
{"name":"KeycloakInitialized","status":"UP"}

warning: couldn't attach to pod/a5-h, falling back to streaming logs: Internal error occurred: Internal error occurred: error attaching to container: container is in CONTAINER_EXITED state
--- keycloak-0 ---
{"status":"UP","checks":[{"name":"GracefulShutdown","status":"UP"}
{"name":"KeycloakInitialized","status":"UP"}
{"name":"Keycloakclusterhealthcheck","status":"UP"}

--- keycloak-1 ---
{"status":"DOWN","checks":[{"name":"GracefulShutdown","status":"UP"}
{"name":"Keycloakdatabaseconnectionsasynchealthcheck","status":"UP"}
{"name":"KeycloakInitialized","status":"UP"}


=== 차단 해제 ===
  해제: 12:44:37
  +25초  keycloak-0:1/1 keycloak-1:0/1 
  +50초  keycloak-0:1/1 keycloak-1:1/1 
  → 복구 완료
  keycloak-0  MergeView::[keycloak-0-24309(v=16.0.12)|15] (2) [keycloak-0-24309(v=16.0.12), keycloak-1-45480(

  keycloak-1  MergeView::[keycloak-0-24309(v=16.0.12)|15] (2) [keycloak-0-24309(v=16.0.12), keycloak-1-45480(