Thanks. I'll check out corosync. Regards. Mark K Vallevand Mark.Vallevand@xxxxxxxxxx May you live in interesting times, may you come to the attention of important people and may all your wishes come true. THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. -----Original Message----- From: linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Digimer Sent: Thursday, April 03, 2014 04:18 PM To: linux clustering Subject: Re: Simple data replication in a cluster On 03/04/14 04:58 PM, Vallevand, Mark K wrote: > I'm looking for a simple way to replicate data within a cluster. > > It looks like my resources will be self-configuring and may need to push > changes they see to all nodes in the cluster. The idea being that when > a node crashes, the resource will have its configuration present on the > node on which it is restarted. We're talking about a few kb of data, > probably in one file, probably text. A typical cluster would have > multiple resources (more than two), one resource per node and one extra > node. > > Ideas? > > Could I use the CIB directly to replicate data? Use cibadmin to update > something and sync? > > How big can a resource parameter be? Could a resource modify its > parameters so that they are replicated throughout the cluster? > > Is there a simple file replication Resource Agent? > > Drdb seems like overkill. > > Regards. > Mark K Vallevand Mark.Vallevand@xxxxxxxxxx If you don't want to use DRBD + gfs2 (what I use), then you'll probably want to look at corosync directly for keeping the data in sync. Pacemaker itself is a cluster resource manager and I don't think the cib is well suited for general data sync'ing. -- 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? -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
