How should I configure my RHEL Resilient Storage cluster to manage active/passive shared LVM volumes when I also need to manage active/active LVM volumes for GFS2?

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  • What is the recommended deployment strategy for a cluster managing both single-host active/passive logical volumes supporting single-host filesystems such as ext3, ext4, etc and multi-host logical volumes supporting GFS2 distributed filesystems?
  • I have a cluster that uses clvmd to share LVM volume groups for GFS2 file systems, and I also need to manage shared volumes for single-host file systems in the same cluster. Red Hat's documentation recommends always using HA-LVM when shared LVM volumes are in use, but I'm not sure if I can use clvmd for GFS2 and HA-LVM in the same cluster. How should I configure my resources?
  • LVM resources that use exclusive=true fail to activate in clusters that also use cloned LVM resources with exclusive=false and clvmd in a pacemaker cluster.


  • Red Hat Enterprise Linux (RHEL) 5, 6 and 7 with the Resilient Storage Add On
  • Shared LVM volume groups to be used both for:
    • Active/passive workloads that only need access to shared storage on one node at a time, and
    • Active/active workloads that utilize GFS2 for concurrent access to data across multiple nodes
  • pacemaker or rgmanager for resource management

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