Unable to mount xfs filesystem with dax option on persistent memory (pmem/nvdimm) device

Solution Verified - Updated -

Issue

  • Unable to mount xfs filesystem with dax option on persistent memory (pmem/nvdimm) device.

  • Seeing below errors in logs:

    [ 1254.978786] XFS (pmem0): DAX enabled. Warning: EXPERIMENTAL, use at your own risk
[ 1254.979033] XFS (pmem0): DAX and reflink cannot be used together!

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Persistent memory (pmem)
  • Non Volatile Dual Inline Memory Module (NVDIMM)

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