[dm-crypt] crypetsetup and GPT partitions

Michael Kjörling michael at kjorling.se
Fri Feb 10 10:07:53 CET 2017


On 10 Feb 2017 00:15 -0800, from dpchrist at holgerdanske.com (David Christensen):
> The available space of the LUKS mapped device is going to be smaller
> than the partition size.  On one of my 3 TB drives, it's about ~44
> GB smaller (~1.6%).  The LUKS meta-data is going to be in there,
> including the header.

That doesn't make sense. The LUKS header is a shade over 1 MiB,
depending on the specific options (the FAQ has details). The size of
the header isn't related to the size of the container. Something else
is going on in your case.

-- 
Michael Kjörling • https://michael.kjorling.semichael at kjorling.se
                 “People who think they know everything really annoy
                 those of us who know we don’t.” (Bjarne Stroustrup)


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