On Thu, Nov 26, 2020 at 7:45 AM Sreyan Chakravarty sreyan32@gmail.com wrote:
Hi,
I have migrated to thin pools using partclone.
But now that I am using thin pools my system is completely unstable.
My swap is not activated :
swapon[1004]: swapon: /fedora.swap: read swap header failed systemd[1]: fedora.swap.swap: Swap process exited, code=exited, status=255/EXCEPTION
systemd[1]: fedora.swap.swap: Failed with result 'exit-code'. Failed to activate swap /fedora.swap. Dependency failed for Swap. swap.target: Job swap.target/start failed with result 'dependency'.
You can't have a swapfile on a file system that's on an LVM thin volume.
And device mapper gives me weird messages during startup like:
kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 kernel: device-mapper: block manager: btree_node validator check failed for block 220 kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 kernel: device-mapper: block manager: btree_node validator check failed for block 220 kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 kernel: device-mapper: block manager: btree_node validator check failed for block 220 kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 kernel: device-mapper: block manager: btree_node validator check failed for block 220
Also some dracut module is missing:
dracut-initqueue[867]: /usr/sbin/thin_check: execvp failed: No such file or directory dracut-initqueue[867]: WARNING: Check is skipped, please install recommended missing binary /usr/sbin/thin_check!
In short my system has gone to hell.
This all started when I did a fstrim like this:
sudo fstrim -v /
Without complete start to finish logs, showing the first instance of problems, it's not much to go on.