How to convert a 'clvm/clustered' volume group to a 'shared' volume group in a RHEL 8 pacemaker cluster?

Solution Verified - Updated -

Issue

  • After migrating the GFS2 cluster to RHEL 8, the below error is observed when vgs or vgscan command is executed:

    [root@rhel8-gfs1 ~]# vgs
Skipping clustered VG migrate.   <<<===------
See lvmlockd(8) for changing a clvm/clustered VG to a shared VG.
VG           #PV #LV #SN Attr   VSize    VFree  
r8vg           1   2   0 wz--n-   <5.51g 384.00m
shared_vg      1   1   0 wz--ns 1020.00m  20.00m
vg_gfs2-test   1   1   0 wz--ns  468.00m      0

Environment

  • Red Hat Enterprise Linux Server 8 (with the Resilient Storage Add Ons)
  • A Global Filesystem 2(gfs2)

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