Pacemaker

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Revision as of 10:30, 20 April 2018 by Tony (talk | contribs) (→‎Links)

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

Links

Notes

by specifying -INFINITY, the constraint is binding.


Commands/tools

Useful commands

Dump entire crm

cibadm -Q

FAQ

show detailed resources

pcs resource --full

stop node

pcs cluster standby node-1

set maintenance mode

pcs property set maintenance-mode=true

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>

Clear error messages

 pcs resource cleanup

Call cib_replace failed (-205): Update was older than existing configuration

can be run only once

[Error signing on to the CIB service: Transport endpoint is not connected ]

probably selinux

debug resource

pcs resource debug-start resource

*** Resource management is DISABLED *** The cluster will not attempt to start, stop or recover services

??