I have a system using luks encryption and I want to extend the system partition. Seems to look like Extend a LUKS encrypted partition to fill disk, but a bit different.
Because my physical disk seems already to be extended to 40g but the encrypted volume stays 18g. Here some info:

root mint-vg  -wi-a---- 18.10g
swap mint-vg  -wi-a----  1.41g

/dev/mapper/crypt-volume mint-vg lvm2 a-- 19.52g 0 PFree

sda                     8:0  0    40G 0 disk
|-sda2                  8:2  0     1k 0 part
|-sda5                  8:5  0  19.5G 0 part
| |-crypt-volume      253:0  0  19.5G 0 crypt
|   |-mint--vg-root   253:1  0  18.1G 0 lvm 
|   |-mint--vg-swap_1 253:2  0   1.4G 0 lvm
|-sda1                  8:1  0   487M 0 part

What do I need to do to make use of the full 40G disk space of /dev/sda for crypt volume /dev/sda5?

  • Hello welcome on stackexchange, please next time try to do the minimum of formatting so your question is readable ;-) – Kiwy Apr 25 '18 at 11:15
  • Is that an extended partition wedged between two primary ones? Output of parted /dev/sda unit s print free? What's on sda1 and sda2? – frostschutz Apr 25 '18 at 11:26

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