1
vote
2answers
22 views

Adding a 3rd node to an existing DRBD cluster

We currently have a 2 node DRBD cluster running which we would like to add a third node to. I have so far been unable to find any resources on whether it is possible to add a third node to an existing ...
0
votes
0answers
92 views

Timeout on heartbeat STONITH (IPMI fencing)

I am managing a two node heartbeat DRBD+MySQL+FreeRADIUS cluster. I am currently using external/ipmi fencing as my STONITH solution. However, I am running into a problem where the primary node has a ...
0
votes
1answer
291 views

What is the best storage for active-active linux cluster? [closed]

We have a cluster with multiple ubuntu machines which are connected to a shared SAN storage. Initially we were using OCFS2 as file system but we were hit with so many issues and we couldn't find ...
5
votes
1answer
2k views

mount.ocfs2: Transport endpoint is not connected while mounting…?

I have replaced a dead node that was running in dual-primary mode with OCFS2. All the steps work: /proc/drbd version: 8.3.13 (api:88/proto:86-96) GIT-hash: 83ca112086600faacab2f157bc5a9324f7bd7f77 ...
2
votes
1answer
1k views

Redhat cluster Vs Pacemaker Vs Gluster Vs Sheepdog

Changing the entire question as earlier one was very confusing. I have been exploring different clustering system to run Virtual machines on two different machines on LAN with high availability. ...
1
vote
1answer
302 views

Pacemaker corosync 2-node with a 3rd for quorum

I'm having trouble figuring out how to configure a 2-node setup with a third simpler one for quorum. It seems to think all the nodes have the capability to act as a full fallback node, when I only I ...
0
votes
1answer
635 views

How do you configure Pacemaker to mount the DRBD data directory on the slave?

how do you get the Slave node of a DRBD pair to mount the data directory so data can be sync'd? I went through the following guide: https://wiki.edubuntu.org/ClusterStack/Natty#Prepare_Partitions to ...
4
votes
2answers
8k views

How to setup STONITH in a 2-node active/passive linux HA pacemaker cluster?

I am trying to setup an active/passive (2 nodes) Linux-HA cluster with corosync and pacemaker to hold a PostgreSQL-Database up and running. It works via DRBD and a service-ip. If node1 fails, node2 ...
2
votes
1answer
430 views

Ganeti and automatic failover

I'm building a simple 2-node cluster with Ganeti+DRBD... What is the recommended way to setup automatic failover? I'm used to Heartbeat, but they say it should be avoided with my setup.
1
vote
1answer
664 views

Best RAID setup for DRBD

I would like to setup a two nodes PROXMOX cluster with DRBD storage. The nodes will be connected by gigabit ethernet. What would be the best storage setup in terms of reliability, performance and ...
1
vote
4answers
537 views

A better inexpensive 2 node cluster

There is a Xen cluster that setup that I really like. It consists of 2 nodes (let's call them 1 and 2). Each node has 2 non-raided drives (A and B). A1 replicates to A2 through DRBD and B2 to B1. ...
5
votes
3answers
956 views

What to use for software-based shared file storage?

The situation: setting up a load balancer Currently we have all of our servers (running CentOS Linux) in pairs in our data center: each server has a mirroring server. We don't employ any load ...
0
votes
1answer
599 views

after split brain recovery filesystem not mounted

I have an active/passive high availability cluster with pacemaker+split brain. After split brain condition I use automatic split-brain recovery to recover my systems. The problem is that since file ...
1
vote
1answer
126 views

Predict the number of primaries after a split-brain situation

I am trying to avoid a split brain situation using automatic split brain recovery policies explained at http://www.drbd.org/users-guide/s-configure-split-brain-behavior.html How to predict which ...
1
vote
2answers
552 views

Advice for IMAP failover to secondary server

I've recently been given the task of configuring an IMAP based e-mail server solution that incorporates failover to a backup server. I have experience in this area, but it's all been single server ...
2
votes
3answers
2k views

DRBD / Heartbeat on Virtual Machines

Does anyone have experience configuring drbd with heartbeat between 2 virtual linux machines (VMWare Infrastructure)? The problem I am running into is that heartbeat likes multiple data paths to see ...