Checking an encrypted VM confirms my recollection. Run ls -l /dev/mapper and ls -l /dev/dm*. You'll see the former are merely symlinks to the latter. I would argue dm-0, etc. are the "real" folders. In other words, you're worrying about a non-issue. There's nothing to fix. FWIW, df reports /dev/mapper on two VMs (fully updated), so that's puzzling, but still not important.
For comparison, here's what I see with those two commands, plus a few others, in one of the VMs. For clarity, I've removed references to a couple of shared folders (which aren't in /dev/mapper or /dev/dm* anyway).
For comparison, here's what I see with those two commands, plus a few others, in one of the VMs. For clarity, I've removed references to a couple of shared folders (which aren't in /dev/mapper or /dev/dm* anyway).
Code:
pbear@fde-data:~$ ls -l /dev/dm*brw-rw---- 1 root disk 253, 0 Jan 25 15:49 /dev/dm-0brw-rw---- 1 root disk 253, 1 Jan 25 15:49 /dev/dm-1pbear@fde-data:~$ ls -l /dev/mappertotal 0crw------- 1 root root 10, 236 Jan 25 15:48 controllrwxrwxrwx 1 root root 7 Jan 25 15:49 sda4_crypt -> ../dm-0lrwxrwxrwx 1 root root 7 Jan 25 15:49 sda5_crypt -> ../dm-1pbear@fde-data:~$ df -hT -x tmpfsFilesystem Type Size Used Avail Use% Mounted onudev devtmpfs 2.8G 0 2.8G 0% /dev/dev/mapper/sda4_crypt ext4 35G 13G 20G 40% //dev/sda3 ext4 974M 295M 613M 33% /boot/dev/sda2 vfat 197M 5.9M 192M 3% /boot/efi/dev/mapper/sda5_crypt ext4 24G 24K 23G 1% /datapbear@fde-data:~$ inxi -SpSystem: Host: fde-data Kernel: 6.1.0-30-amd64 arch: x86_64 bits: 64 Desktop: Cinnamon v: 5.6.8 Distro: Debian GNU/Linux 12 (bookworm)Partition: ID-1: / size: 34.14 GiB used: 12.64 GiB (37.0%) fs: ext4 dev: /dev/dm-0 ID-2: /boot size: 973.4 MiB used: 294.1 MiB (30.2%) fs: ext4 dev: /dev/sda3 ID-3: /boot/efi size: 196.9 MiB used: 5.8 MiB (3.0%) fs: vfat dev: /dev/sda2 ID-4: /data size: 23.24 GiB used: 24 KiB (0.0%) fs: ext4 dev: /dev/dm-1Statistics: Posted by pbear — 2025-01-26 00:00