On Mon, Dec 7, 2020 at 3:43 PM Chris Murphy <li...@colorremedies.com> wrote:

> What happens if you manually swapon? What does cat /proc/cmdline show?
>
>
Output of manual swapon:

$ swapon -v -f /fedora.swap
swapon: /fedora.swap: found signature [pagesize=4096, signature=swap]
swapon: /fedora.swap: pagesize=4096, swapsize=10737418240,
devsize=10737418240
swapon /fedora.swap

Output of 'cat /proc/cmdline':

$ cat /proc/cmdline
BOOT_IMAGE=(hd0,gpt2)/vmlinuz-5.8.15-301.fc33.x86_64
root=UUID=7d9dbe1b-dea6-4141-807b-026325123ad8 ro rootflags=subvol=root
rd.luks.uuid=luks-1136a62b-955b-4391-b9a4-b48ab11a862d
resume=/dev/disk/by-uuid/7d9dbe1b-dea6-4141-807b-026325123ad8
resume_offset=14745509888


This isn't a great location for a swapfile on btrfs because you can't ever
> snapshot /. And it takes extra steps to make hibernation possible.
>

Why can't I snapshot / ?


> The more predictable arrangement is a swap partition.
>
>
How can I have an encrypted swap partition ?

I need Full Disk Encryption, even for my swap, that's why I went with one
large encrypted partition with root,home and swap all in one.


-- 
Regards,
Sreyan Chakravarty
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