On Tue, Dec 1, 2020 at 3:55 AM John Stoffel wrote: > > 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* > > I don't know what you mean by that. Do you mean that thin pools cannot be migrated to from older LVMs ? > Or are you trying to have the ability to take snapshots of your system > to make rollbacks easier? > > Yes. > You need to post the output of your configuration in more detail, with > dmesg output, logs, lvs, pvs, vgs output, etc. > > $ lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert fedora vgfedora Vwi-aotz-- 700.00g pool00 16.66 pool00 vgfedora twi-aotz-- <929.76g 12.54 16.62 $ pvs PV VG Fmt Attr PSize PFree /dev/mapper/luks-2ec7f1ae-6f9b-4896-a7b2-be7809e9d2f4 vgfedora lvm2 a-- 929.99g 120.00m $ vgs VG #PV #LV #SN Attr VSize VFree vgfedora 1 2 0 wz--n- 929.99g 120.00m dmesg: https://pastebin.com/raw/svTX92SJ > But really, you do have backups? > > No. -- Regards, Sreyan Chakravarty