Getting "read swap header failed: Invalid argument" error while enabling swap partition in RHEL 6?

Solution Verified - Updated -

Issue

  • How to re-enable the swap on the server, getting following error when trying to enable it:
# swapon -a
swapon: /dev/mapper/system_vg-lv_swap: read swap header failed: Invalid argument

Environment

  • Red Hat Enterprise Linux(RHEL) 6

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