pvmove fails with reload ioctl failed in RHEL 5

Solution Verified - Updated -

Issue

Trying to move extents from one pv to the free extents on another (in this example, dm-10 to dm-9).

pvmove -n lv_sapdata3_0 /dev/dm-10 /dev/dm-9
  device-mapper: reload ioctl failed: No such device or address
  ABORTING: Temporary mirror activation failed.  Run pvmove --abort.
  device-mapper: reload ioctl failed: No such device or address

Environment

Red Hat Enterprise Linux 5.3

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