Sreyan> I have migrated to thin pools using partclone. I suspect you're toast. What are you trying to accomplish here though? Trying to stuff 10 pounds of data into a 5 pound bag? *grin* Or are you trying to have the ability to take snapshots of your system to make rollbacks easier? Sreyan> But now that I am using thin pools my system is completely unstable. You need to post the output of your configuration in more detail, with dmesg output, logs, lvs, pvs, vgs output, etc. But really, you do have backups? Sreyan> My swap is not activated : Sreyan> swapon[1004]: swapon: /fedora.swap: read swap header failed Sreyan> systemd[1]: fedora.swap.swap: Swap process exited, code=exited, status=255/EXCEPTION Sreyan> systemd[1]: fedora.swap.swap: Failed with result 'exit-code'. Sreyan> Failed to activate swap /fedora.swap. Sreyan> Dependency failed for Swap. Sreyan> swap.target: Job swap.target/start failed with result 'dependency'. Sreyan> My System logging service is not started: Sreyan> rsyslog.service: Failed with result 'core-dump'. Sreyan> Failed to start System Logging Service. Sreyan> SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg= Sreyan> 'unit=rsyslog comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res= Sreyan> failed' Sreyan> rsyslog.service: Scheduled restart job, restart counter is at 1. Sreyan> And device mapper gives me weird messages during startup like: Sreyan> kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 Sreyan> kernel: device-mapper: block manager: btree_node validator check failed for block 220 Sreyan> kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 Sreyan> kernel: device-mapper: block manager: btree_node validator check failed for block 220 Sreyan> kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 Sreyan> kernel: device-mapper: block manager: btree_node validator check failed for block 220 Sreyan> kernel: device-mapper: btree spine: node_check failed: csum 3318704195 != wanted 3318554075 Sreyan> kernel: device-mapper: block manager: btree_node validator check failed for block 220 Sreyan> Also some dracut module is missing: Sreyan> dracut-initqueue[867]: /usr/sbin/thin_check: execvp failed: No such file or directory Sreyan> dracut-initqueue[867]: WARNING: Check is skipped, please install recommended missing binary /usr/ Sreyan> sbin/thin_check! Sreyan> In short my system has gone to hell. Sreyan> This all started when I did a fstrim like this: Sreyan> sudo fstrim -v / Sreyan> And it returned an input/output error. Sreyan> My logical volumes were marked with two 'XX', I don't know what that means. After that I Sreyan> restarted. Sreyan> What can I do to get my system back to normal ? Sreyan> Please help. Sreyan> -- Sreyan> Regards, Sreyan> Sreyan Chakravarty Sreyan> _______________________________________________ Sreyan> linux-lvm mailing list Sreyan> linux-lvm@xxxxxxxxxx Sreyan> https://www.redhat.com/mailman/listinfo/linux-lvm Sreyan> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/