1
vote
0answers
41 views

Pacemaker with drbd split-brain on two nodes

Gentlemen, I have a question concerning active/passive split-brain when using pacemaker with drbd. I realize that split-brain is a long topic, but i am trying to solve one exact situation: if both ...
1
vote
0answers
27 views

High Availability/failsafe two different locations

I am wondering if someone could help with the setup that does not seem so difficult. I am just beginning with the multi-server setup. I apologize if my questions are dumb. I have two debian servers ...
1
vote
1answer
73 views

Installing DRBD on XEN CentOS 5.8 (Stable)

I am trying for days to achieve HA with fault tolerance between my existing two XEN VPS's one located in Tokyo and the other located in US (both have the same setup and the same configurations, I am ...
0
votes
0answers
15 views

Repair tables after pacemaker + drbd migration/failover

I have a master/slave pacemaker/drbd cluster that handles mysql, apache, and some other stuff. I'd like to have mysql automatically repair tables (mysqlcheck -A --auto-repair or similar) after ...
0
votes
2answers
249 views

Using DRBD with 100mbit uplink

we are planing to use drbd to sync two servers (different hardware) to get kind of HA in case the master server dies. The servers are hosted physically in the same datacenter (Hetzner in germany) and ...
0
votes
1answer
526 views

PacemakerDRBD Mount Issue

We are stuck trying to get pacemaker to work with DRBD, and having tried various alternatives can't get our "drbd1" to mount and get some errors. NOTE: we are trying to get pacemaker to work with an ...
1
vote
1answer
282 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 ...
1
vote
1answer
397 views

STONITH with a DRBD/Pacemaker/Corosync 2 node cluster

So I am seeing a lot of conflicting viewpoints out there on using STONITH with a 2-node DRBD/Pacemaker/Corosync cluster for replicating MySQL data. The example I could find on the Pacemaker website ...
0
votes
1answer
568 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 ...
3
votes
2answers
7k 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 ...
0
votes
1answer
544 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 ...