Pacemaker VM cluster fencing in Proxmox with fence_pve
We can use the fence_pve agent to fence/stonith peers in Pacemaker cluster running on VM’s in Proxmox PVE host(s). This works and has been tested on Ubuntu-14.04 with Pacemaker-1.1.12 from Hastexo PPA repository. Use: $ sudo add-apt-repository ppa:hastexo/ha to add…
Lets Encrypt and DANE
For quite some time I’ve been using certificate issued by StartSSL CA for my personal website. It’s for free and the recent refresh of their web portal they had (finally) done looked and felt really good. The things were going…
OpenATTIC 2-node cluster setup
[serialposts] OpenATTIC is an opensource converged storage that I think has a great potential to become a unified SDS for virtualization platforms. It offers features like CIFS, NFS, iSCSI and CEPH storage backends, mirrored volumes via DRBD and support for…
PostgreSQL High Availibility with Pacemaker
[serialposts] Setting up PostgreSQL synchronous or asynchronous replication cluster with Pacemaker is described in couple of resources like the official Pacemaker site PgSQL Replicated Cluster and the GitHub wiki of the OCF agent creator Resource Agent for PostgreSQL 9.1 streaming…