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…
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…
Clustering with Pacemaker, DRBD and GFS2 on Bare-Metal servers in SoftLayer
SoftLayer is IBM company providing cloud and Bare-Metal hosting services. We are going to setup a cluster of Pacemaker, DRBD and GFS2 on couple of Bare-Metal servers to host our Encompass services. This will provide high availability of the shared…
Highly Available iSCSI ALUA (Asymetric Logical Unit Access) Storage with Pacemaker and DRBD in Dual-Primary mode – Part2
This is continuation of the Highly Available iSCSI ALUA Storage with Pacemaker and DRBD in Dual-Primary mode series. We have setup the HA backing iSCSI storage and now we are going to setup a HA shared storage on the client…
Highly Available iSCSI ALUA (Asymetric Logical Unit Access) Storage with Pacemaker and DRBD in Dual-Primary mode – Part1
I already wrote a post on this topic so this is kind of extension or variation of the setup described here Highly Available iSCSI Storage with SCST, Pacemaker, DRBD and OCFS2. The main and most important difference is that thanks…
Highly Available iSCSI Storage with SCST, Pacemaker, DRBD and OCFS2 – Part2
This is continuation of the Highly Available iSCSI Storage with SCST, Pacemaker, DRBD and OCFS2 series. We have setup the HA backing iSCSI storage and now we are going to setup a HA shared storage on the client side. iSCSI…
Highly Available iSCSI Storage with SCST, Pacemaker, DRBD and OCFS2 – Part1
SCST the generic SCSI target subsystem for Linux, allows creation of sophisticated storage devices from any Linux box. Those devices can provide advanced functionality, like replication, thin provisioning, deduplication, high availability, automatic backup, etc. SCST devices can use any link…