device.map must be up to date before doing root disk encapsulation (2202047)
If you perform root disk encapsulation while the
device.map file is not up to date, the vxdiskadm command displays the following error:
VxVM vxencap INFO V-5-2-5327 Missing file: /boot/grub/device.map
Workaround: Before you perform root disk encapsulation, run the the following command to regenerate the device.map file:
\# grub-install --recheck /dev/sdb