A month ago, I tried to resize my system BTRFS partition. It failed to resize but mounted without issue so I didn’t care much.
However, I later found out that btrfs assistant is showing a smaller size than the partition size, a size that matches the resize I tried to do before. How can I fix this? There is no apparent problem now, but this may be a time bomb and I don’t want it triggering when I least expect it.
Relevant info:
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 931.5G 0 disk
├─sda1 8:1 0 531.5G 0 part /mnt/sda1
└─sda2 8:2 0 400G 0 part
└─luks-<uuid> 253:1 0 400G 0 crypt /mnt/dm-1
sr0 11:0 1 1024M 0 rom
zram0 252:0 0 7.6G 0 disk [SWAP]
nvme0n1 259:0 0 232.9G 0 disk
├─nvme0n1p1 259:1 0 600M 0 part /boot/efi
├─nvme0n1p2 259:2 0 1G 0 part /boot
└─nvme0n1p3 259:3 0 231.3G 0 part
└─luks-<uuid> 253:0 0 231.3G 0 crypt /home
/
df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 1.6G 1.8M 1.6G 1% /run
/dev/dm-0 182G 22G 159G 12% /
/dev/dm-0 182G 22G 159G 12% /home
tmpfs 3.9G 0 3.9G 0% /tmp
/dev/nvme0n1p2 974M 278M 629M 31% /boot
/dev/nvme0n1p1 599M 14M 585M 3% /boot/efi
/dev/sda1 523G 30G 466G 6% /mnt/sda1
/dev/dm-1 393G 29G 344G 8% /mnt/dm-1
tmpfs 783M 104K 783M 1% /run/user/1000
Notice the size of /dev/dm-0 and /dev/nvme0n1p3.