My Qubes worked great but after a day it suddenly wouldn't boot and I got an error about qubes_dom0 root or something like that being not available. I
I mounted, on Ubuntu live CD, a LUKS partition that has these lvm containers from Qubes OS: ubuntu@ubuntu:~$ sudo lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert pool00 qubes_dom0 twi---tz-- <452.86g root qubes_dom0 Vwi---tz-- <452.86g pool00 swap qubes_dom0 -wi-a----- 8.96g vm-anon-whonix-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-bitpay-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-bitpay-private-1604634684-back vm-bitpay-private-1604634684-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian-10-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian-10-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-debian-10-root-1604634337-back vm-debian-10-root-1604634337-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-debian-sys-net-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian-sys-net-private-1600569197-back vm-debian-sys-net-private-1600569197-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian-temp-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian10-coding-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-debian10-coding-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-debian10-coding-root-1604634103-back vm-debian10-coding-root-1604634103-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-default-mgmt-dvm-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-fedora-29-dvm-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-fedora-29-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-fedora-29-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-fedora-29-root-1599172317-back vm-fedora-29-root-1599172317-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-hacking-private qubes_dom0 Vwi---tz-- 20.00g pool00 vm-hacking-private-1602069716-back vm-hacking-private-1602069716-back qubes_dom0 Vwi---tz-- 20.00g pool00 vm-multipurpose-private qubes_dom0 Vwi---tz-- 11.00g pool00 vm-multipurpose-private-1589207893-back vm-multipurpose-private-1589207893-back qubes_dom0 Vwi---tz-- 11.00g pool00 vm-orwell3-private qubes_dom0 Vwi---tz-- 137.00g pool00 vm-orwell3-private-1602465727-back vm-orwell3-private-1602465727-back qubes_dom0 Vwi---tz-- 137.00g pool00 vm-orwell4-private qubes_dom0 Vwi---tz-- 117.23g pool00 vm-orwell4-private-1605439750-back vm-orwell4-private-1605439750-back qubes_dom0 Vwi---tz-- 117.23g pool00 vm-orwell4-private-snap qubes_dom0 Vwi---tz-- 117.23g pool00 vm-orwell4-private vm-orwell4-root-snap qubes_dom0 Vwi---tz-- 10.00g pool00 vm-debian10-coding-root vm-orwell4-volatile qubes_dom0 Vwi---tz-- 10.00g pool00 vm-pcb-design-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-pcb-design-private-1598425853-back vm-pcb-design-private-1598425853-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sd-flasher-private qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sd-flasher-private-1596569587-back vm-sd-flasher-private-1596569587-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-social2-private qubes_dom0 Vwi---tz-- 21.00g pool00 vm-social2-private-1605439747-back vm-social2-private-1605439747-back qubes_dom0 Vwi---tz-- 21.00g pool00 vm-social2-private-snap qubes_dom0 Vwi---tz-- 21.00g pool00 vm-social2-private vm-social2-root-snap qubes_dom0 Vwi---tz-- 10.00g pool00 vm-debian-10-root vm-social2-volatile qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sys-firewall-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-firewall-private-1588756764-back vm-sys-firewall-private-1588756764-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-firewall-private-snap qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-firewall-private vm-sys-firewall-root-snap qubes_dom0 Vwi---tz-- 10.00g pool00 vm-fedora-29-root-1599172317-back vm-sys-net-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-net-private-1603850959-back vm-sys-net-private-1603850959-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-usb-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-usb-private-1605439744-back vm-sys-usb-private-1605439744-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-usb-private-snap qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-usb-private vm-sys-usb-root-snap qubes_dom0 Vwi---tz-- 10.00g pool00 vm-fedora-29-root vm-sys-usb-volatile qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sys-whonix-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sys-whonix-private-1598482831-back vm-sys-whonix-private-1598482831-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sysnet-debian10_2-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sysnet-debian10_2-private-1605439757-back vm-sysnet-debian10_2-private-1605439757-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sysnet-debian10_2-private-snap qubes_dom0 Vwi---tz-- 2.00g pool00 vm-sysnet-debian10_2-private vm-sysnet-debian10_2-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sysnet-debian10_2-root-1605439757-back vm-sysnet-debian10_2-root-1605439757-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sysnet-debian10_2-root-snap qubes_dom0 Vwi---tz-- 10.00g pool00 vm-sysnet-debian10_2-root vm-sysnet-debian10_2-volatile qubes_dom0 Vwi---tz-- 10.00g pool00 vm-temp-private qubes_dom0 Vwi---tz-- 10.00g pool00 vm-temp-private-1595675857-back vm-temp-private-1595675857-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-unsafe_code-private qubes_dom0 Vwi---tz-- 78.00g pool00 vm-unsafe_code-private-1605379428-back vm-unsafe_code-private-1605379428-back qubes_dom0 Vwi---tz-- 78.00g pool00 vm-whonix-gw-14-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-whonix-gw-14-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-whonix-gw-14-root-1571185748-back vm-whonix-gw-14-root-1571185748-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-whonix-ws-14-dvm-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-whonix-ws-14-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-whonix-ws-14-root qubes_dom0 Vwi---tz-- 10.00g pool00 vm-whonix-ws-14-root-1571185609-back vm-whonix-ws-14-root-1571185609-back qubes_dom0 Vwi---tz-- 10.00g pool00 vm-win10_unsafe_coding-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-win10_unsafe_coding-private-1602769589-back vm-win10_unsafe_coding-private-1602769589-back qubes_dom0 Vwi---tz-- 2.00g pool00 vm-win10_unsafe_coding-root qubes_dom0 Vwi---tz-- 90.00g pool00 vm-win10_unsafe_coding-root-1602769589-back vm-win10_unsafe_coding-root-1602769589-back qubes_dom0 Vwi---tz-- 90.00g pool00 vm-zoom2-private qubes_dom0 Vwi---tz-- 2.00g pool00 vm-zoom2-private-1599067205-back vm-zoom2-private-1599067205-back qubes_dom0 Vwi---tz-- 2.00g pool00 Something is wrong and I want to recover only the vm-orwell4-* containers. At least copy some files from it. I know nothing about lvm thinpool. I tried sudo lvchange -ay -v qubes_dom0/vm-orwell4-private Activating logical volume qubes_dom0/vm-orwell4-private. activation/volume_list configuration setting not defined: Checking only host tags for qubes_dom0/vm-orwell4-private. Creating qubes_dom0-pool00_tmeta Loading table for qubes_dom0-pool00_tmeta (253:2). Resuming qubes_dom0-pool00_tmeta (253:2). Creating qubes_dom0-pool00_tdata Loading table for qubes_dom0-pool00_tdata (253:3). Resuming qubes_dom0-pool00_tdata (253:3). Executing: /usr/sbin/thin_check -q --clear-needs-check-flag /dev/mapper/qubes_dom0-pool00_tmeta /usr/sbin/thin_check failed: 1 Check of pool qubes_dom0/pool00 failed (status:1). Manual repair required! Removing qubes_dom0-pool00_tdata (253:3) Removing qubes_dom0-pool00_tmeta (253:2) Also tried ubuntu@ubuntu:~$ sudo vgchange -ay Check of pool qubes_dom0/pool00 failed (status:1). Manual repair required! 1 logical volume(s) in volume group "qubes_dom0" now active -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/99efed07-d823-4340-8997-b64b890d6b9bn%40googlegroups.com.