How hard is it to change an existing RHEL system to have luks full disk encryption?

Xetroximyn
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How hard is it to change an existing RHEL system to have luks full disk encryption? Is it a big ordeal?
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Distinguished Expert 2017
Commented:
It is an involved process.
Best to test in a VM environment on setup that are of no consequence.

See an old writeup on the setup http://www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/

You would need to create partitios at a time, configure/add them to grub one at a time while preserving the option to boot the prior.,.....

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