Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
0answers
10 views

Pacemaker/corosync timeout before resource transfers

This seems like a simple question, but one I can't seem to find the answer for despite going over the pacemaker documentation multiple times. I've got corosync set up with pacemaker to share a ...
0
votes
1answer
30 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 ...
0
votes
1answer
48 views

Make pacemaker retry failed resources

I would like to get pacemaker to retry starting my resource primitive Imq ocf:example:imq \ op monitor on-fail="restart" interval="10s" \ op start interval="0" timeout="60s" on-fail="restart" \ ...
0
votes
0answers
117 views

Corosync unicast issue with different nets

I'm using a setup (on our staging-system) with 2 root-servers and 1 fail-over-ip. As software we use corosync and pacemaker. Corosync is configured for multicast communication via port 5405. --> ...
0
votes
1answer
41 views

Monitoring pacemaker

How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down? Monitoring the services isn't the problem, this can be done directly. But ...
-1
votes
1answer
20 views

Active node stops resources when pasive node is shutdown

2 nodes, active/pasive. 2 resources, a virtual ip, openLdap, and the nfs mount where openldap saves the data. When both nodes are up, things worked fine. You could move resources away and put the ...
0
votes
1answer
288 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
224 views

How to run multiple Heartbeat/Corosync/Pacemaker clusters in the same network? (Quorum)

We intend to run several components to run a web site. Like a load balancer, a cache and a couple of web serserves. To avoid single-points-of-failure we intended to use Heartbeat/Corosync/Pacemaker ...
3
votes
1answer
611 views

Pacemaker Active/Active haproxy load balancing

I am using Haproxy to load balance replicated mysql master servers. I am also using Heartbeat and Pacemaker for Active/Active ip failover with two virtual ips on the two load balancers for web server ...
2
votes
1answer
312 views

Heartbeat Pacemaker 3 node/ip failover

I have setup two node active/active ip failover with heartbeat and pacemaker following the link at zivtech on the two load balancers for the backend web servers. Two LBs has public ip each which is ...
0
votes
1answer
152 views

Pacemaker behavior colocation Xen domU resources, is this expected?

I am using Pacemaker+OpenAIS+Corosync on OpenSuSE 11.3 running Xen, and am trying to determine if the behavior I see when colocating Xen domU resources is expected or not. Cluster nodes / dom0: ...
0
votes
2answers
872 views

Configuring RHEL6.1 GFS cluster

I need to configure 3-node cluster with shared GFS2 filesystem. GFS2 needed as common Documentroot for apache behind the balancer. Can you suggest some guide on how to configure ...
0
votes
0answers
59 views

Split-site clustering with Pacemaker

I am trying to set up a split-site clustering with Pacemaker. Each site is likely be served by a different ISP and plan is to have N-M config with 20 active nodes and 2 passive nodes. In the event of ...
1
vote
0answers
242 views

OCFS2/GFS2 dlm_join_lockspace no fence domain

Ripping my hair out on a new Pacemaker/cman/(OCFS2|GFS) config. I can't use the Pacemaker integration with OCFS2, since the Fedora team, in their wisdom, decided to remove the .pcmk. Supposedly, I ...
0
votes
0answers
54 views

Networking -Geographically separated N-M failover node cluster with Pacemaker

I am trying to use Pacemaker and create a multi-node cluster which is geographically separated nodes. I have the following questions.. . Is it possible without a shared data resources? Each of ...
0
votes
0answers
24 views

resource not moving to next node on failure

I have a resource group with 2 VIPs and apache as well as notify. The resource is not moving to the next server when apache fails to start. It doesn't seem to be happening. Running heartbeat 3.x ...
0
votes
1answer
338 views

Pacemaker complex resource colocation

I am working on a pacemaker project for our master and slave databases to perform IP based failover. There will be two IP resources, one for the master, and one for the slave that have to move ...
0
votes
1answer
360 views

CentOS or Ubuntu server for pacemaker (heartbeat) cluster? [closed]

Could someone share their knowledge and experience with CentOS and Ubuntu server management, maintenance capabilities and community support? I would be running pacemaker cluster and LAMP stack on it ...
1
vote
1answer
257 views

How do I test load balancing in my LAN?

I recently posted a question regarding the issue of loadbalancing webservers on a budget. It's finally time to begin the testing so I thought about setting up two or more Ubuntu VM's in my LAN running ...
1
vote
1answer
449 views

Linux-HA + dm-multipath: path removal causes segfault, kernel null pointer dereference, and STONITH

well I am setting up a Linux-HA cluster running *pacemaker-1.1.5 *openais-1.1.4 *multipath-tools-0.4.9 *OpenSuSE 11.4, kernel 2.6.37 Cluster configuration passed healthcheck by LinBit, so I'm ...
0
votes
3answers
507 views

Pinging Virtual IP for Linux HA cluster from a different subnet does not work

I have setup a Linux cluster with Corosync/Pacemaker, and the two cluster nodes are within the same subnet sharing a virtual IP. For machines within the same subnet, they can ping the virtual IP ...
0
votes
2answers
258 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 ...
0
votes
1answer
665 views

LDAP (389 Directory Service) and Pacemaker with Multi-Master

I'm trying to setup a pair of LDAP servers running 389 (formerly Fedora DS) in high availability using Pacemaker with a floating IP. In addition, 389 supports multi-master replication, where all ...
5
votes
7answers
4k views

Alternatives to Heartbeat, Pacemaker and CoroSync?

Are there any major alternatives for automatic failover on Linux besides the typical Heartbeat/Pacemaker/CoroSync combinations? In particular, I'm setting up failover on EC2 instances, which only ...
2
votes
1answer
663 views

Pacemaker virtual IP and IPTables

I'm attempting to set up a cluster of two VMware VMs running Heartbeat, Pacemaker and Varnish on Ubuntu Server 10.04, with the intent of using them as a main and backup loader balancer to further VMs. ...
5
votes
1answer
2k views

Which messaging layer to use, Heartbeat or Corosync?

Just about finished my research into setting up a web server cluster and I'm still undecided as to which messaging layer to use with Pacemaker. The servers I'm using are all Fedora so both layers are ...
0
votes
1answer
703 views

Linux HA cluster w/Xen, Heartbeat, Pacemaker. domU does not failover to secondary node

I am having the followig problem with an OenSuSE + Heartbeat + Pacemaker + Xen HA cluster: when the node a Xen domU is running on is "dead" the Xen domU running on it is not restarted on the second ...
0
votes
1answer
241 views

Pacemaker monitoring mysql

I have Pacemaker+Corosync set up to manage a shared IP address between two Mysql boxes in Master-Master/Active-Passive setup (using interleaved primary keys). I have Pacemaker set up to manage the ...
3
votes
3answers
1k views

Do Pacemaker, Heartbeat, etc. make sense for EC2?

Does the Pacemaker ecosystem (Corosync etc.) make sense in the context of EC2? Up till some point, Corosync required IP multicast (not available on EC2), but I think it has broadcast now. Still, are ...
3
votes
6answers
709 views

Linux stretch cluster: MD replication, DRBD or Veritas?

For the moment there's a lot of choices for setting up a Linux cluster. For cluster manager: you can use Red Hat Cluster manager, Pacemaker or Veritas Cluster Server. The first one has the most ...
0
votes
1answer
643 views

Corosync - stopping the service crashes the server

I am trying to set up a test cluster on a Xen Server with 2 paravirtualized CentOS 5.4 machines. I am using Pacemaker+Corosync, and following the instructions found at ...
1
vote
1answer
1k views

Need help configuring pacemaker

I'm trying to configure a 2-node openais / pacemaker cluster, and finding information / tutorials very difficult to come by. My goal is to set up 2 MySQL servers in a master-slave replication ...
-1
votes
2answers
1k views

Configuration of pacemaker

I am having trouble setting up the following with pacemaker: a 2-node cluster where the master server always has IP address A, and the slave server always has IP address B. This is a failover ...
1
vote
4answers
3k views

NFS v4, HA Migration, and stale handles on clients

I'm managing a server running NFS v4 with Pacemaker/OpenAIS. NFS is configured to use TCP. When I migrate the NFS server to another node in the Pacemaker cluster, even though the metadata is ...