LVM command output is different for shared devices on different nodes.

Solution In Progress - Updated -

Issue

  • LVM commands do not show the PV, VG and LV created on shared device in passive node of cluster.
  • lvs output shows a mismatch in the size of the same shared LV across different nodes
  • We do see LVM warning in /var/log/messages file.

    WARNING: Disable lvmetad in lvm.conf. lvmetad should never be enabled in a clustered environment. Set use_lvmetad=0 and kill the lvmetad process
    

Environment

  • Red Hat Enterprise Linux 7.
  • Shared storage.

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