Jtdcftul

A couple of weeks ago I asked about configuring Ubuntu preseed to configure LVM partitions. I got no response to that one.

I was able to figure out how to get logical volumes defined for UEFI within a preseed file for Ubuntu 16.04 desktop. Now I'm trying to set up the physical volume on which the root logical volume (/) resides. I don't expect an answer, but I have to try. :)

The following d-i directives in my preseed file work for configuring LVM and all of my filesystems on an UEFI based virtual machine.

# Partitioning

d-i partman-auto/disk string /dev/sda

d-i partman-lvm/device_remove_lvm boolean true

d-i partman-lvm/confirm boolean true

d-i partman/confirm_write_new_label boolean true

d-i partman-basicfilesystems/choose_label string gpt

d-i partman-basicfilesystems/default_label string gpt

d-i partman-partitioning/choose_label string gpt

d-i partman-partitioning/default_label string gpt

d-i partman/choose_label string gpt

d-i partman/default_label string gpt



d-i partman-auto-lvm/guided_size string max

d-i partman-auto/method string lvm

d-i partman-auto-lvm/new_vg_name string vg00

d-i partman-auto/choose_recipe select gpt-boot-root-swap

d-i partman-auto/expert_recipe string 

    gpt-boot-root-swap ::             

        512 512 512 fat32             

            $primary{ }               

            method{ efi } format{ } . 

        1024 1024 1024 ext2              

            $primary{ } $bootable{ }  

            method{ format } format{ } 

            use_filesystem{ } filesystem{ ext2 } 

            mountpoint{ /boot } .                

        1000 1000 1000000000 ext4                

            $defaultignore{ }                    

            $primary{ }                          

            method{ lvm } 

            device{ /dev/sda } 

            vg_name{ vg00 } 

            . 

        1024 3072 10240 ext4 

            $lvmok{ } 

            in_vg{ vg00 } lv_name{ lv_root } 

            method{ format } format{ }           

            use_filesystem{ } filesystem{ ext4 } 

            mountpoint{ / } .                    

        1024 1024 1000000000 ext4                

            $lvmok{ }                          

            $defaultignore{ }                    

            in_vg{ vg00 } lv_name{ lv_delete } 

            .



d-i partman-partitioning/confirm_write_new_label boolean true

d-i partman/choose_partition select finish

d-i partman/confirm boolean true

d-i partman/confirm_nooverwrite boolean true

I've been trying to add encryption to /dev/sda3, which is the physical volume associated with the vg00 volume group on which lv_root is created. I have added the following directives into the preseed file

d-i partman-auto/method string crypto

d-i partman-crypto/create/partitions select /dev/sda3

d-i partman-crypto/keytype select passphrase

d-i partman-crypto/keyhash select sha512

d-i partman-crypto/keysize select 512

d-i partman-crypto/cipher select aes-xts-plain64

d-i partman-crypto/passphrase string ThisIsATest

d-i partman-crypto/passphrase-again string ThisIsATest

I found the above by piecing together bits and pieces I able to put together by doing web searches.

As an aside, Canonical, if Ubuntu is really your bread and butter, why don't you have better documentation? Everything I have found has been from places other than any Ubuntu website.

I know there are things missing, but I do not know what those d-i directives would be. For example, what is the d-i partman-crypto directive to name the encrypted volume? I'm sure that's needed here. I'm sure that is why when I try to boot off of my custom ISO I eventually get the error message

No physical volume defined in volume group

The automatic partitioning recipe contains the definition of a

volume group that does not contain any physical volume.

Please check the automatic partitioning recipe

Like I said at the beginning, I do not expect anyone to answer this question since it's even more niche than my automatic partitioning LVM preseeding question, but I have to try.

Thank you in advance for any help you can provide.