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Questions tagged [pacemaker]

Pacemaker achieves maximum availability for cluster services by detecting and recovering from node and service-level failures. It achieves this by utilizing the messaging and membership capabilities provided by your preferred cluster infrastructure (currently either OpenAIS or Heartbeat).

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Configuring resources for Galera and Corosync/Pacemaker

I can't seem to find a proper way of setting up resources in pacemaker to manager my Galera cluster. I want a VIP that will failover betwen 5 boxes ( this works ), but I would also like to tie this into a resource that monitors mysql as well. If a…
Roncioiu
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ldirectord ipvsadm not show reals ip and not work wtih pacemaker and corosync

first thanks for your time. I'm having a problem with ldirectord that I can not solve, I comment my situation: I have two nodes with pace maker and corosync and configure somes resources: root@ldap1:/home/mamartin# crm status Last updated: Tue Jun …
miguer27
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PostgreSQL master constantly demoted by pacemaker with repmgr

I'm in the process of setting up a PostgreSQL 9.2.8 cluster made of 2 nodes, one master, and one slave. I use streaming replication and repmgr 2.0. My platform is RHEL 6.3. Master and slave can be started manually, but I can't have them started by…
SCO
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Pacemaker: dynamic location constraints

I have a corosync cluster involving several machines that have different roles within the cluster. I have some clone resources grouped together and I set up everything to behave as an opt-in cluster: node dir01 node dir02 node ms01 node ms02 node…
alxgomz
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AWS VPC custom VIP: How to get a IP Address assumption to work across two EC2 VPC instances?

I created an AWS VPC and three instances therein (head, nodeA, and nodeB). I also associated them all with a security group that allows fully open networking among the private (RFC-1918) addresses within my VPC block. In other words any of these…
Jim Dennis
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Redis: Configuration Options for limiting key/value sizes?

My boss recently asserted, in conversation, that Redis supports some configuration options for controlling maximum key or key/value sizes ... so we could set some option to prevent our applications from creating keys or key/value pairs larger than,…
Jim Dennis
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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 considering Pacemaker, Corosync, DRBD and Stonith…
user204252
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pacemaker cluster heavy load with sbd and noop scheduler

Anybody have experience with nood scheduler? i know the sbd process is a real time process, so with default linux io scheduler cfq, the sbd process works very well on high io heave load. The noop scheduler only merge the io request in fifo queue,…
c4f4t0r
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How to set up a pacemaker cluster for active/active scenario and how it works?

I try to set up my first pacemaker cluster as a FTP Server. There are two Server installed with a fresh centos 6.5 and proftpd First step was to install pacemaker and some configuration Tools with: yum install pacemaker cman pcs ccs…
kockiren
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Mark a resource non-critical in a Pacemaker cluster

Is there a way to set a resource as non-critical in a OpenAIS/Pacemaker cluster? e.g. 2 node cluster 1 resource group with 4 resource (A, B, C and D) If resource A, B or C fails, the cluster should restart/relocate resources as usual. If resource…
Andrew
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CentOS 6.4 iSCSI Target - crm shell error

I try to make a iSCSI Target on CentOS 6.4 with DRBD, Pacemaker, Open-iSCSI and LVM2. Now I need to prepare the HA iSCSI Target configuration on the crm shell, but if I enter the configure mode, there's a error message: [root@centos ~]#…
user191159
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Automaticaly commit when updating pacemaker configuration

I'm trying to automate the administration of my servers which are running corosync/pacemaker. For that I generate a file containing the modifs that needs to be applied to the configuration. To apply this file I usualy do : crm configure load update…
Clement Roblot
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corosync and multiple load balancers

I am trying to provide HA capabilities for our load balancers (nginx, pgpool and haproxy optionally) using pacemaker/corosync. I have defined three primitives: 1 for the failover IP, 1 for lsb::nginx 1 for lsb::pgpool and I assume that I can add…
thanasisk
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Why does pacemaker start on the secondary node instead of the primary?

I have two Linux nodes running httpd service. When I try to add the httpd resource on the primary node, the service starts on the second node instead of starting on the primary. What am I missing here? Initial settings: node vpc-storage-primary \ …
edotan
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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 existing Encrypted RAID1 LVM setup - is this…
madog
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