If you split a LUSE volume back to it's composite LDEVs, the VTOC will be wrong still showing the original LUSE volume size. To get around this, do the following:

dd if=/dev/zero of=/dev/rdsk/c*t*d*s2 count=1
(where * is the device number for the ldev)

This will overwrite the VTOC allowing you to relabel the disk where upon it will have the correct details.

NOTE: example is for a Solaris device, substitute this with the device nomenclature of your Unix OS!

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