[Bug 1174659] [NEW] Manual partitioning doesn't allow multiple partitions within encrypted volume

[Aaron Whitehouse]

Public bug reported:

I use Full-Disk Encryption. It does not seem possible to set up multiple
partitions within the encrypted area through the "Something else" manual
partitioner.

It is possible to create a "Physical area for encrypted partitions" (I'm
not 100% on the wording), but as far as I can establish, you can only
put one partition into that "area" - the "+" button is greyed out once
one has been added.

I also have Windows 7 on the machine, so I can't use the automatic set-
up. What I wanted to do was set up an encrypted "area" (is this an LVM
partition?) that I unlock with a passphrase on boot and then, within
that, have my Swap, / and Home partitions.

I managed to get something working by:
1) Choose "Something Else"
2) Add a small ext4 /boot/ partition (I did 500mb, but I think that was too big - I missed this step the first time and it errored out in a horrible way)
3) Make the rest of the free space a "Encrypted physical volume" or whatever it is called at the bottom of the list - this prompts you for a passphrase.
4) This adds a new section at the top of the list of partitions with a default ext4 partition that you can make /
5) Click install and ignore the warnings about no swap space

See also
https://answers.launchpad.net/ubuntu/+source/ubiquity/+question/216356
which deals with both this manual partitioning point and also the
ability to do this automatically alongside another OS (which is the
subject of a separate bug report (Bug #1083038)).

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1174659

Title:
  Manual partitioning doesn't allow multiple partitions within encrypted
  volume

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  I use Full-Disk Encryption. It does not seem possible to set up
  multiple partitions within the encrypted area through the "Something
  else" manual partitioner.

  It is possible to create a "Physical area for encrypted partitions"
  (I'm not 100% on the wording), but as far as I can establish, you can
  only put one partition into that "area" - the "+" button is greyed out
  once one has been added.

  I also have Windows 7 on the machine, so I can't use the automatic
  set-up. What I wanted to do was set up an encrypted "area" (is this an
  LVM partition?) that I unlock with a passphrase on boot and then,
  within that, have my Swap, / and Home partitions.

  I managed to get something working by:
  1) Choose "Something Else"
  2) Add a small ext4 /boot/ partition (I did 500mb, but I think that was too big - I missed this step the first time and it errored out in a horrible way)
  3) Make the rest of the free space a "Encrypted physical volume" or whatever it is called at the bottom of the list - this prompts you for a passphrase.
  4) This adds a new section at the top of the list of partitions with a default ext4 partition that you can make /
  5) Click install and ignore the warnings about no swap space

  See also
  https://answers.launchpad.net/ubuntu/+source/ubiquity/+question/216356
  which deals with both this manual partitioning point and also the
  ability to do this automatically alongside another OS (which is the
  subject of a separate bug report (Bug #1083038)).

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