Cluster System

Pacemaker und Corosync Cluster

Entwicklungsumgebung

Name	IP	DNS
Server 1	192.168.178.11	dev1.karl.schlicker.org
Server 2	192.168.178.12	dev2.karl.schlicker.org
ClusterIP	192.168.178.10	clusterip.karl.schlicker.org

nützliche Befehle

Konfiguration

Cluster Konfiguration prüfen:

crm_verify -L -V

Cluster Member anzeigen:

pcs status corosync

Membership information
----------------------
    Nodeid      Votes Name
         1          1 dev1 (local)
         2          1 dev2

Status

Cluster Status:

pcs status

Resourcen (Dienste)

Resource im Cluster manuell schwenken

pcs resource move ClusterIP lifetime=PT1M

Abhängigkeiten zwischen den Resourcen anzeigen

pcs constraint
Location Constraints:
Ordering Constraints:
Colocation Constraints:
  WebSite with ClusterIP (score:INFINITY)
Ticket Constraints: