Stack Overflow
Stack Overflow

Questions tagged [pacemaker]

Pacemaker is, according to its website, an Open Source, High Availability resource manager suitable for both small and large clusters.

Pacemaker is, according to its website, an open source, high availability resource manager suitable for both small and large clusters.

136 questions
4
votes
2 answers

UnableError: unable to get cib

I'm trying to create cluster for Load balancer to forward my request to two apache instances by using Pace maker package. For that I installed "corosync, pcs, pacemaker" packages. I did the cluster setup for node1 and node2. Now when I'm trying to…
suresh goud
  • 367
  • 1
  • 3
  • 19
4
votes
1 answer

Unable to start Corosync Cluster Engine

I'm trying to create HA OpenStack cluster for controller nodes by following OpenStack HA-guide. So I have three nodes in cluster: controller-0 controller-1 controller-2 Setted up a password for hacluster user on each host. [root@controller-0 ~]# yum…
Misters
  • 109
  • 2
  • 2
  • 10
3
votes
1 answer

Unexpected Behaviour of Pacemaker with Master Slave resource(Postgresql)

Environment : I am using Pacemaker (pacemaker-1.1.19-8.el7_6.1.x86_64) and corosync(corosync-2.4.3-2.el7_5.1.x86_64) on Cent OS 7.5. Postgresql version is 9.3.21 I have Two node cluster with node names: failover1 and failover2. I have a Clone…
Ajay Pratap
  • 437
  • 4
  • 14
3
votes
0 answers

ClientAbortException When mysql query takes time to execute

I have go through several stackoverflow questions & answers regarding this exception, but any of answers are not related to my scenario. My application is hosted in several linux cloud servers. 2 proxy servers(ubuntu, apache2 with pacemaker load…
Isuru Dewasurendra
  • 687
  • 6
  • 10
3
votes
1 answer

Could not map name UUID | Pacemaker | linux clustering

I have a Linux Cluster based on Pacemaker(v1.1.18-11) and corosync(v2.4.3-2) setup on Centos 7.2 It is a Two nodes setup with nodes= DBHA (master) and DBFAILOVER (slave) I have a resource Postgresql9 which uses this Resource agent: pgsql with slight…
Ajay Pratap
  • 437
  • 4
  • 14
3
votes
1 answer

Configure LVM resource on Redhat 7.4 cluster using pacemaker

I am configuring the Red Hat cluster with pacemaker and I wanted to add a LVM resource. I have installed following packages, OS: Red Hat 7.4 Packages Installed: lvm2-cluster, pacemaker, corosync, pcs, fence-agents-all but my LVM resource have a…
Izzul Iman
  • 41
  • 1
  • 3
3
votes
3 answers

Pacemaker installation on Debian 8

I have Debian 8.2 and I wan to install Pacemaker on it.But when I tried by apt-get install pacemaker It gives Reading package lists... Done Building dependency tree Reading state information... Done Package pacemaker is not available, but…
rutu
  • 91
  • 6
3
votes
1 answer

docker - in production - HA

how to run docker in production, with a active/active or active/standby HA system? are there any guides or best practices? i am thinking of 3 scenarios: 1) NFS - for two servers - wich are prepped with docker-machine and mounting a shared NFS to…
Helmut Januschka
  • 1,578
  • 3
  • 16
  • 34
2
votes
0 answers

Docker Swarm with GlusterFS as the external volume storage and VIP

I was wondering if Docker Swarm was possible to be a load balancer with GlusterFS as the local filesystem? And use Pacemaker to hold the VIP (because I understand Docker cannot create a VIP). My idea - which I'm hoping can be verified or suggested…
markb
  • 1,100
  • 1
  • 15
  • 40
2
votes
0 answers

crm_resource equivalent command in pcs

Linux pacemaker cli crmsh (crm_resource) has a command to tell the cluster that a resource has failed. −F, −−fail (Advanced) Tell the cluster this resource has failed Is there an equivalent command in another pacemaker cli pcs where I can inform…
Ajay Srivastava
  • 1,151
  • 11
  • 15
2
votes
1 answer

Python custom nagios script with beautiful soup - getting "NRPE: Unable to read output"

I am trying to create a custom python 2 nagios script in order to be able to monitor individual pacemaker resources. I managed to have it working when its reading the input from a file but I cannot manage to make it work when the input is being…
Georgios
  • 33
  • 1
  • 5
2
votes
0 answers

pacemaker master/slave configuration for postgres-xl datanodes

I have created a cluster with 1 gtm (on t1), 1 coordinator (on t1) and 2 datanode (master/slave) (on t1 and t2 respectively) using postgres-xl. I am trying to configure pacemaker heartbeat application using the below github…
Deepesh Gupta
  • 21
  • 2
2
votes
1 answer

After re-transmission failure from one node to another, both node mark each other as dead and does not show status of each other in crm_mon

So in starting Node 1 not showing Node 2 and similarly Node 2 does not show Node 1 in crm_mon command After analyzing corosync log I found that because of multiple retransmit failure both nodes mark each other as dead so I tried to stop and start…
Prateek Singh Chauhan
  • 33
  • 8
2
votes
1 answer

Pacemaker - High availability cluster - how to receive notification

I have a high availability cluster that is configured with DRBD resource. Is there a way to receive notification, for example to email, when resource has failed? I'm using the Web UI (GUI) high availability pacemaker interface but I didn't find a…
Lidor Aviman
  • 91
  • 1
  • 4
  • 14
2
votes
1 answer

DRBD - automatic recover after disconnect

I have High availability cluster that configured with DRBD resource. Master/Slave Set: RVClone01 [RV_data01] Masters: [ rvpcmk01-cr ] Slaves: [ rvpcmk02-cr ] I perform a test that disconnect one of the network adapter that connect…
Lidor Aviman
  • 91
  • 1
  • 4
  • 14
1
2 3
…
9 10