On 14/09/15 03:27 AM, Michael Schwartzkopff wrote: > Am Montag, 14. September 2015, 09:25:23 schrieb Vagi Attila: >> Hi List, >> >> I have a 2 node pacemaker/corosync cluster with shared LVM storage, using >> LVM tagging. LVM tagging is configured for exclusive access. >> >> In case of loss of interconnect both nodes become active. How can one >> avoid this behavior? >> >> Thanks for your help in advance! >> >> Mit freundlichem Gruss/Best regards, >> >> Attila > > Fencing! > > http://clusterlabs.org/doc/crm_fencing.html > > Mit freundlichen Grüßen, > > Michael Schwartzkopff
This is the correct answer. All HA clusters, regardless of use-case, require fencing to operate properly. How you fence depends on your environment/hardware, but IPMI and switched PDU fencing are most common. If you want further advice, please tell us about your environment/hardware. -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education? _______________________________________________ Users mailing list: [email protected] http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
