On 1/8/25 2:25 PM, Charlie McVeigh via users wrote:
2) Once on the command line I can perform most any and all file
operations. A file operation will fail when attempting to write to
the disk.
for example "echo 1 > foo" will fail with a message "no space left on
device"
3) using "df -h" i have the following
root@fedora:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/dm-0 19G 12G 6.5G 65% /
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
efivarfs 256K 28K 229K 11% /sys/firmware/efi/efiv
ars
tmpfs 1.6G 9.0M 1.6G 1% /run
/dev/dm-0 19G 12G 6.5G 65% /home
tmpfs 3.9G 0 3.9G 0% /tmp
/dev/nvme0n1p2 947M 418M 489M 47% /boot
/dev/nvme0n1p1 599M 12M 588M 2% /boot/efi
On further checking the "no space left on device" message is only
happening on the file systems mounted on / and /home. I can create
files on all of the other mount points using my "echo 1 >foo" command
from above.
Run "journalctl -b" and see if you can find any relevant info. If there
are any issues with running that, then try "dmesg".
The problems exits with the /dev/dm-0 disk.
the mount command returns the following for those two mount points:
/dev/mapper/luks-197957e4-4760--45e1-8e92-c6762103fc25 on / type btrfs
(rw,relatime,seclabel,compresszstd:1,ssd,space_cache=v2,subvolid=257,su
bvol=/root)
/dev/mapper/luks-197957e4-4760--45e1-8e92-c6762103fc25 on /home type
btrfs
(rw,relatime,seclabel,compresszstd:1,ssd,space_cache=v2,subvolid=256,su
bvol=/home)
So it's btrfs on top of LUKS. The question is which layer has the
issue. Is there any chance that the host filesystem is full?
What does "fdisk -l" show?
What is the output of "btrfs filesystem usage /" and "btrfs filesystem
show /"?
Try to run "mount -o ro,remount /" and "mount -o ro,remount /home"
If that fails, it's ok.
Then run "btrfs check -p --force /dev/dm-0"
--
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