Unable to make backups of some LXCs

P

PatRiot

Member
Sep 17, 2022
6
0
6
Hi.

Unfortunately I can't do a backup for two of my LXCs.

I get following errors for one of them:

Code: 
INFO: starting new backup job: vzdump 106 --storage local --compress zstd --remove 0 --node pve --notes-template '{{cluster}}, {{node}}, {{vmid}}, {{guestname}}' --mode snapshot
INFO: Starting Backup of VM 106 (lxc)
INFO: Backup started at 2024-10-09 16:21:03
INFO: status = stopped
INFO: backup mode: stop
INFO: ionice priority: 7
INFO: CT Name: pNextcloud
INFO: including mount point rootfs ('/') in backup
INFO: creating vzdump archive '/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tar.zst'
INFO: tar: ./var/www/html/data/appdata_ocx7hz04rjrw/preview/c/b/8/d/a/6/7/2153/4096-3072-max.jpg: File shrank by 193364 bytes; padding with zeros
INFO: tar: ./var/www/html/data/appdata_ocx7hz04rjrw/preview/a/6/d/b/4/e/d/2878/1024-1820.jpg: File shrank by 30551 bytes; padding with zeros
INFO: Total bytes written: 13741875200 (13GiB, 202MiB/s)
ERROR: Backup of VM 106 failed - command 'set -o pipefail && lxc-usernsexec -m u:0:100000:65536 -m g:0:100000:65536 -- tar cpf - --totals --one-file-system -p --sparse --numeric-owner --acls --xattrs '--xattrs-include=user.*' '--xattrs-include=security.capability' '--warning=no-file-ignored' '--warning=no-xattr-write' --one-file-system '--warning=no-file-ignored' '--directory=/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tmp' ./etc/vzdump/pct.conf ./etc/vzdump/pct.fw '--directory=/mnt/vzsnap0' --no-anchored '--exclude=lost+found' --anchored '--exclude=./tmp/?*' '--exclude=./var/tmp/?*' '--exclude=./var/run/?*.pid' ./ | zstd --rsyncable '--threads=1' >/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tar.dat' failed: exit code 1
INFO: Failed at 2024-10-09 16:22:09
INFO: Backup job finished with errors
TASK ERROR: job errors

I don't understand why it fails. Is it because of these two jpg-files? Thanks a lot for your help.

I need to update my PVE, but first I want to be sure to get the backups.
 
PatRiot said:
Hi.

Unfortunately I can't do a backup for two of my LXCs.

I get following errors for one of them:

Code: 
INFO: starting new backup job: vzdump 106 --storage local --compress zstd --remove 0 --node pve --notes-template '{{cluster}}, {{node}}, {{vmid}}, {{guestname}}' --mode snapshot
INFO: Starting Backup of VM 106 (lxc)
INFO: Backup started at 2024-10-09 16:21:03
INFO: status = stopped
INFO: backup mode: stop
INFO: ionice priority: 7
INFO: CT Name: pNextcloud
INFO: including mount point rootfs ('/') in backup
INFO: creating vzdump archive '/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tar.zst'
INFO: tar: ./var/www/html/data/appdata_ocx7hz04rjrw/preview/c/b/8/d/a/6/7/2153/4096-3072-max.jpg: File shrank by 193364 bytes; padding with zeros
INFO: tar: ./var/www/html/data/appdata_ocx7hz04rjrw/preview/a/6/d/b/4/e/d/2878/1024-1820.jpg: File shrank by 30551 bytes; padding with zeros
INFO: Total bytes written: 13741875200 (13GiB, 202MiB/s)
ERROR: Backup of VM 106 failed - command 'set -o pipefail && lxc-usernsexec -m u:0:100000:65536 -m g:0:100000:65536 -- tar cpf - --totals --one-file-system -p --sparse --numeric-owner --acls --xattrs '--xattrs-include=user.*' '--xattrs-include=security.capability' '--warning=no-file-ignored' '--warning=no-xattr-write' --one-file-system '--warning=no-file-ignored' '--directory=/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tmp' ./etc/vzdump/pct.conf ./etc/vzdump/pct.fw '--directory=/mnt/vzsnap0' --no-anchored '--exclude=lost+found' --anchored '--exclude=./tmp/?*' '--exclude=./var/tmp/?*' '--exclude=./var/run/?*.pid' ./ | zstd --rsyncable '--threads=1' >/var/lib/vz/dump/vzdump-lxc-106-2024_10_09-16_21_03.tar.dat' failed: exit code 1
INFO: Failed at 2024-10-09 16:22:09
INFO: Backup job finished with errors
TASK ERROR: job errors

I don't understand why it fails. Is it because of these two jpg-files? Thanks a lot for your help.

I need to update my PVE, but first I want to be sure to get the backups.
Click to expand...
Yes, the tar archive creation fails with exit code 1, which means that some files were changed while creating the backup. Can you inspect these files, are they maybe somehow corrupted? If not needed, I would advice to remove them before retrying the backup.
 
Chris said:
Yes, the tar archive creation fails with exit code 1, which means that some files were changed while creating the backup. Can you inspect these files, are they maybe somehow corrupted? If not needed, I would advice to remove them before retrying the backup.
Click to expand...
yea, thanks, that would be my first try. I'm just wondering why this happens, because I stopped the Container, so they should not be changed during backup. And I asked before beginning to delete because my second LXC has like plenty of such files.... they seem to got corrupted somehow...
Thanks, Chris!

Edit: @Chris: are in my code-text any sensitive data I should erase?

Edit2: erasing these files, first try failed again, because another file showed as corrupted, also erasing this one the backup worked! Thanks a lot.

Edit3: is it possible to backup the pve itself, so the hostsystem, without the LXCs and VMs? Only the configuration of the server itself. If yes how is it the easiest way? I assume dd would be an option...

Edit4: removed 'SOLVED' again.
 
Last edited:
Another LXC had following errors during backup:



Code: 
/usr/lib/x86_64-linux-gnu/libkmod.so.2.3.7: File shrank by 39128 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown: File shrank by 12519 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/nginx-1.19.9/src/core/ngx_inet.c: File shrank by 6222 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/nginx-1.19.9/src/core/ngx_inet.h: Read error at byte 0, while reading 3703 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/nginx-1.19.9/src/core/ngx_list.c: Read error at byte 0, while reading 1102 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/nginx-1.19.9/src/http/ngx_http_core_module.c: File shrank by 130658 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/form-input-nginx-module-0.12/t/upload.t: Read error at byte 90112, while reading 10240 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/LuaJIT-2.1-20210510/src/lj_record.c: File shrank by 60555 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c: File shrank by 32331 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec: Read error at byte 0, while reading 4096 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/doc/LICENSE: Read error at byte 0, while reading 1324 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openidc/1.7.5-1/lua-resty-openidc-1.7.5-1.rockspec: Read error at byte 0, while reading 1890 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openidc/1.7.5-1/rock_manifest: Read error at byte 0, while reading 336 bytes: Input/output error
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/liblua.a: File shrank by 17924 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/sbin/nginx: File shrank by 17141376 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/etc/nginx/luajit/lib/libluajit-5.1.so.2.1.0: File shrank by 1154536 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/etc/nginx/luajit/lib/libluajit-5.1.a: File shrank by 6854782 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/etc/nginx/pod/ngx_lua-0.10.20/ngx_lua-0.10.20.pod: File shrank by 230903 bytes; padding with zeros
INFO: Total bytes written: 8265912320 (7.7GiB, 131MiB/s)




NFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown: File shrank by 12519 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c: File shrank by 32331 bytes; padding with zeros
INFO: tar: ./var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec: Read error at byte 0, while reading 5936 bytes: Input/output error
INFO: Total bytes written: 8259205120 (7.7GiB, 151MiB/s)


I saved all the files of them (ofc in their corrupted state) and erased them afterwards from the LXC. Now the LXC doesn't start anymore... Proxmox says it started but it doesn't. I am afraid that is because of the file /usr/lib/x86_64-linux-gnu/libkmod.so.2.3.7 is gone. Did I ruine it now?
Unfortunately I was not able to make a backup before.... I really hope you can help me....


Edit: I tried to clone this LXC, but it also failed:
(I know about the thin pool pve/data space warning, but it is fine, it's 64% free, I always get that warning. I don't know why I get this message all the time.)


Code: 
create full clone of mountpoint rootfs (local-lvm:vm-107-disk-0)
  WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "vm-147-disk-0" created.
  WARNING: Sum of all thin volume sizes (2.04 TiB) exceeds the size of thin pool pve/data and the size of whole volume group (<931.01 GiB).
Creating filesystem with 39321600 4k blocks and 9830400 inodes
Filesystem UUID: ca969f92-8a65-4138-83dc-043a32486812
Superblock backups stored on blocks:
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
    4096000, 7962624, 11239424, 20480000, 23887872
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c": Input/output error (5)
ERROR: var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c failed verification -- update discarded.
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown": Input/output error (5)
ERROR: var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown failed verification -- update discarded.
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2_bind2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_lastlog2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_measure_active_users","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_cloud_notify_filters","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_http_altconnect","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_cloud_notify_encrypted","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_invites_bootstrap","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_measure_malloc","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2_fast","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_client_id","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_http_oauth2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_admin_blocklist","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl_ssdp","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_update_check","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_audit_status","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_portcheck","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_muc_auto_reserve_nicks","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_measure_process","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_restricted_users","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_limit_auth","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/


(ERASED, to many characters)

rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_billing","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_http_xep227","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_firewall","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec": Input/output error (5)
ERROR: var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec failed verification -- update discarded.

Number of files: 245,731 (reg: 198,719, dir: 29,929, link: 16,743, dev: 298, special: 42)
Number of created files: 245,729 (reg: 198,719, dir: 29,927, link: 16,743, dev: 298, special: 42)
Number of deleted files: 0
Number of regular files transferred: 198,573
Total file size: 7,866,618,139 bytes
Total transferred file size: 7,828,560,078 bytes
Literal data: 7,828,560,078 bytes
Matched data: 0 bytes
File list size: 7,994,577
File list generation time: 0.004 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 7,845,699,448
Total bytes received: 4,030,715

sent 7,845,699,448 bytes  received 4,030,715 bytes  203,889,095.14 bytes/sec
total size is 7,866,618,139  speedup is 1.00
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1333) [sender=3.2.3]
  Logical volume "vm-147-disk-0" successfully removed
TASK ERROR: clone failed: command 'rsync --stats -X -A --numeric-ids -aH --whole-file --sparse --one-file-system '--bwlimit=0' /var/lib/lxc/147/.copy-volume-2/ /var/lib/lxc/147/.copy-volume-1' failed: exit code 23


I got a snapshot from March of this year. Should I try to restore that or try something else first? I wanted to test it with a clone... but that doesn't work now either.... Should I create a template then? But this will also fail, won't it?
 
Last edited:
Nearly full code:

Code: 
create full clone of mountpoint rootfs (local-lvm:vm-107-disk-0)
  WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "vm-147-disk-0" created.
  WARNING: Sum of all thin volume sizes (2.04 TiB) exceeds the size of thin pool pve/data and the size of whole volume group (<931.01 GiB).
Creating filesystem with 39321600 4k blocks and 9830400 inodes
Filesystem UUID: ca969f92-8a65-4138-83dc-043a32486812
Superblock backups stored on blocks:
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
    4096000, 7962624, 11239424, 20480000, 23887872
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c": Input/output error (5)
ERROR: var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/build/srcache-nginx-module-0.32/src/ngx_http_srcache_util.c failed verification -- update discarded.
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown": Input/output error (5)
ERROR: var/lib/docker/overlay2/1a505e8e36825d181cef96d345e46a9cc17c390ebd2b32c6973cc1e573df7015/diff/tmp/openresty/bundle/lua-resty-mysql-0.24/README.markdown failed verification -- update discarded.
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2_bind2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_lastlog2","user.overlay.origin",0) failed: No data available (61)


rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl_ssdp","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_update_check","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_audit_status","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_portcheck","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_muc_auto_reserve_nicks","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_measure_process","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_restricted_users","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_limit_auth","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_block_registrations","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_audit_auth","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_audit","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_http_admin_api","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_audit_user_accounts","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_deprecate_general_muc","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_muc_moderation","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_groups_muc_bookmarks","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_vcard_muc","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_push2","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_health_report","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_client_management","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_cloud_notify_priority_tag","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_server_vcard","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_cloud_notify","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_invites_page","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_invites_tracking","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_update_notify","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_muc_offline_delivery","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_sasl2_sm","user.overlay.origin",0) failed: No data available (61)

rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_s2s_status","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_muc_defaults","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_rest","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_privilege","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_ios_preserve_push","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_email","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_password_policy","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_spam_reporting","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_invites_default_group","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_migrate_snikket_roles","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_isolate_host","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_snikket_billing","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_http_xep227","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] get_xattr_data: lgetxattr("/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/52e7ba815c3f941b2ce40103afcd4fce1c001cfb72dbb50303b4bede466c8372/diff/etc/prosody/modules/mod_firewall","user.overlay.origin",0) failed: No data available (61)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec": Input/output error (5)
rsync: [sender] read errors mapping "/var/lib/lxc/147/.copy-volume-2/var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec": Input/output error (5)
ERROR: var/lib/docker/overlay2/fc72843b38c1367442194df40f9e724d1c745dcff674393dbeba34fdfe7fb700/diff/usr/local/lib/luarocks/rocks-5.1/lua-resty-openssl/0.8.7-1/lua-resty-openssl-0.8.7-1.rockspec failed verification -- update discarded.

Number of files: 245,731 (reg: 198,719, dir: 29,929, link: 16,743, dev: 298, special: 42)
Number of created files: 245,729 (reg: 198,719, dir: 29,927, link: 16,743, dev: 298, special: 42)
Number of deleted files: 0
Number of regular files transferred: 198,573
Total file size: 7,866,618,139 bytes
Total transferred file size: 7,828,560,078 bytes
Literal data: 7,828,560,078 bytes
Matched data: 0 bytes
File list size: 7,994,577
File list generation time: 0.004 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 7,845,699,448
Total bytes received: 4,030,715

sent 7,845,699,448 bytes  received 4,030,715 bytes  203,889,095.14 bytes/sec
total size is 7,866,618,139  speedup is 1.00
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1333) [sender=3.2.3]
  Logical volume "vm-147-disk-0" successfully removed
TASK ERROR: clone failed: command 'rsync --stats -X -A --numeric-ids -aH --whole-file --sparse --one-file-system '--bwlimit=0' /var/lib/lxc/147/.copy-volume-2/ /var/lib/lxc/147/.copy-volume-1' failed: exit code 23


Update: Ok, I was able to mount the filesystem of the LXC (LVM) in my host and replace that file with the same file from a different LXC. It worked and started again. Puuh... I thought I messed it up.... Now a backup was also possible... I'm lucky...
 
Last edited:
PatRiot said:
I saved all the files of them (ofc in their corrupted state) and erased them afterwards from the LXC. Now the LXC doesn't start anymore... Proxmox says it started but it doesn't. I am afraid that is because of the file /usr/lib/x86_64-linux-gnu/libkmod.so.2.3.7 is gone. Did I ruine it now?
Click to expand...
Removing system files relevant to the container can of course lead to issues. If you still have that file, you can try to recreate it by copying it back to the container. You can mount the root filesystem on the host via pct mount <VMID> to have easy access from the host. This should also allow you to copy the data for now, in case you need it to restore the container from scratch.

Please post the output of pct config <VMID> --current of the container in question. Further, what is the output when you start the container via pct start <VMID> --debug?

On a side note, running docker inside a LXC is prone for errors, so using a VM instead is recommended.

PatRiot said:
I know about the thin pool pve/data space warning, but it is fine, it's 64% free, I always get that warning. I don't know why I get this message all the time.
Click to expand...
Because you are overcommitting your storage.
 
Chris said:
Removing system files relevant to the container can of course lead to issues. If you still have that file, you can try to recreate it by copying it back to the container. You can mount the root filesystem on the host via pct mount <VMID> to have easy access from the host. This should also allow you to copy the data for now, in case you need it to restore the container from scratch.

Please post the output of pct config <VMID> --current of the container in question. Further, what is the output when you start the container via pct start <VMID> --debug?

On a side note, running docker inside a LXC is prone for errors, so using a VM instead is recommended.
Click to expand...
Thanks for your reply. Yea, I mounted it already manually via "mount /dev/pve/...", but this is much easier. Thanks.

By replacing the /usr/lib/x86_64-linux-gnu/libkmod.so.2.3.7 with a non-corrupted version from a different LXC it started again. So sorry, I can't post the debug-log. But with "lxc-start -n <container-name> -F" no error was displayed...

Yea, docker is not recommended with LXC, but many ppl do. Until now I haven't had any issues. But thanks for this hint. But why is there a difference to VM - why is it not recommended inside a LXC / prone for errors?

Because you are overcommitting your storage.
Click to expand...
hm. Actually I am not. I left some GBs remaining (not 100% used for pve/data, only like 98%). I can't understand why this message occurs...
 
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