Pacemaker: Difference between revisions

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=Links=
=Links=
*[http://clusterlabs.org/ Cluster Labs]
*[http://clusterlabs.org/ Cluster Labs]
*[http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Pacemaker_Explained/ Pacemaker explained]
*[http://jensd.be/156/linux/building-a-high-available-failover-cluster-with-pacemaker-corosync-pcs Building a high-available failover cluster with Pacemaker, Corosync & PCS]
*[http://jensd.be/156/linux/building-a-high-available-failover-cluster-with-pacemaker-corosync-pcs Building a high-available failover cluster with Pacemaker, Corosync & PCS]
*[https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/High_Availability_Add-On_Administration/index.html HIGH AVAILABILITY ADD-ON ADMINISTRATION]
*[https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/High_Availability_Add-On_Administration/index.html HIGH AVAILABILITY ADD-ON ADMINISTRATION]

Revision as of 09:17, 15 August 2016

uses Corosync or heartbeat, it seems corosync is the one to go for.

Links

Commands/tools

  • crm
  • crmadmin
  • cibadm
  • pcs


Useful commands

Dump entire crm

cibadm -Q

FAQ

show virtual ip

pcs resource show IPv4_BIND

Error: cluster is not currently running on this node

pcs cluster start


Remove a constraint

pcs constraint list --full

to identify the constraints and then

pcs constraint remove <whatever-constraint-id>