CT Backup of privileged Containers

iprigger

iprigger

Renowned Member
Proxmox Subscriber
Sep 5, 2009
169
35
93
earth!
Hi All,

pveversion -v:
proxmox-ve: 5.1-28 (running kernel: 4.13.4-1-pve)
pve-manager: 5.1-36 (running version: 5.1-36/131401db)
pve-kernel-4.13.4-1-pve: 4.13.4-26
pve-kernel-4.4.62-1-pve: 4.4.62-88
pve-kernel-4.13.8-2-pve: 4.13.8-28
pve-kernel-4.10.17-4-pve: 4.10.17-24
pve-kernel-4.10.17-2-pve: 4.10.17-20
pve-kernel-4.10.15-1-pve: 4.10.15-15
pve-kernel-4.4.35-1-pve: 4.4.35-77
pve-kernel-4.4.67-1-pve: 4.4.67-90
pve-kernel-4.10.17-3-pve: 4.10.17-23
pve-kernel-4.4.59-1-pve: 4.4.59-87
libpve-http-server-perl: 2.0-6
lvm2: 2.02.168-pve6
corosync: 2.4.2-pve3
libqb0: 1.0.1-1
pve-cluster: 5.0-15
qemu-server: 5.0-17
pve-firmware: 2.0-3
libpve-common-perl: 5.0-20
libpve-guest-common-perl: 2.0-13
libpve-access-control: 5.0-7
libpve-storage-perl: 5.0-16
pve-libspice-server1: 0.12.8-3
vncterm: 1.5-2
pve-docs: 5.1-12
pve-qemu-kvm: 2.9.1-2
pve-container: 2.0-17
pve-firewall: 3.0-3
pve-ha-manager: 2.0-3
ksm-control-daemon: 1.2-2
glusterfs-client: 3.8.8-1
lxc-pve: 2.1.0-2
lxcfs: 2.0.7-pve4
criu: 2.11.1-1~bpo90
novnc-pve: 0.6-4
smartmontools: 6.5+svn4324-1
zfsutils-linux: 0.7.3-pve1~bpo9

When trying to backup an unprivileged, running container I get errors:
INFO: starting new backup job: vzdump 227 9031 --storage VZBack --quiet 1 --mode snapshot --compress lzo --mailnotification always
INFO: Starting Backup of VM 227 (lxc)
INFO: status = running
INFO: CT Name: wlac
INFO: mode failure - some volumes do not support snapshots
INFO: trying 'suspend' mode instead
INFO: backup mode: suspend
INFO: ionice priority: 7
INFO: CT Name: CT-NAME
temporary directory is on NFS, disabling xattr and acl support, consider configuring a local tmpdir via /etc/vzdump.conf
INFO: starting first sync /proc/27955/root// to /mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tmp
INFO: Number of files: 28,096 (reg: 21,556, dir: 2,418, link: 4,092, special: 30)
INFO: Number of created files: 28,095 (reg: 21,556, dir: 2,417, link: 4,092, special: 30)
INFO: Number of deleted files: 0
INFO: Number of regular files transferred: 21,547
INFO: Total file size: 1,705,511,547 bytes
INFO: Total transferred file size: 1,698,325,235 bytes
INFO: Literal data: 1,698,330,499 bytes
INFO: Matched data: 0 bytes
INFO: File list size: 752,235
INFO: File list generation time: 0.001 seconds
INFO: File list transfer time: 0.000 seconds
INFO: Total bytes sent: 1,700,360,726
INFO: Total bytes received: 436,774
INFO: sent 1,700,360,726 bytes received 436,774 bytes 10,276,722.05 bytes/sec
INFO: total size is 1,705,511,547 speedup is 1.00
INFO: first sync finished (165 seconds)
INFO: suspend vm
INFO: starting final sync /proc/27955/root// to /mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tmp
INFO: Number of files: 28,096 (reg: 21,556, dir: 2,418, link: 4,092, special: 30)
INFO: Number of created files: 0
INFO: Number of deleted files: 0
INFO: Number of regular files transferred: 16
INFO: Total file size: 1,705,518,987 bytes
INFO: Total transferred file size: 4,957,662 bytes
INFO: Literal data: 77,000 bytes
INFO: Matched data: 4,880,662 bytes
INFO: File list size: 0
INFO: File list generation time: 0.001 seconds
INFO: File list transfer time: 0.000 seconds
INFO: Total bytes sent: 792,966
INFO: Total bytes received: 32,115
INFO: sent 792,966 bytes received 32,115 bytes 183,351.33 bytes/sec
INFO: total size is 1,705,518,987 speedup is 2,067.09
INFO: final sync finished (4 seconds)
INFO: resume vm
INFO: vm is online again after 4 seconds
INFO: creating archive '/mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tar.lzo'
INFO: tar: ./var/cache/apt/archives/partial: Cannot open: Permission denied
INFO: tar: ./var/log/nginx/access.log: Cannot open: Permission denied
INFO: tar: ./var/log/nginx/error.log: Cannot open: Permission denied
INFO: tar: ./var/log/unifi: Cannot open: Permission denied
INFO: tar: ./var/lib/postfix/master.lock: Cannot open: Permission denied
INFO: tar: ./var/lib/nginx/scgi: Cannot open: Permission denied
INFO: tar: ./var/lib/nginx/uwsgi: Cannot open: Permission denied
INFO: tar: ./var/lib/nginx/proxy: Cannot open: Permission denied
INFO: tar: ./var/lib/nginx/fastcgi: Cannot open: Permission denied
INFO: tar: ./var/lib/nginx/body: Cannot open: Permission denied
INFO: tar: ./var/lib/unifi: Cannot open: Permission denied
INFO: tar: ./var/lib/apt/lists/partial: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/saved: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/public: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/active: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/private: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/trace: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/flush: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/deferred: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/hold: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/defer: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/maildrop: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/corrupt: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/incoming: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/bounce: Cannot open: Permission denied
INFO: Total bytes written: 1299496960 (1.3GiB, 30MiB/s)
INFO: tar: Exiting with failure status due to previous errors
ERROR: Backup of VM 227 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=/mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tmp' ./etc/vzdump/pct.conf '--directory=/mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tmp' --no-anchored '--exclude=lost+found' --anchored '--exclude=./tmp/?*' '--exclude=./var/tmp/?*' '--exclude=./var/run/?*.pid' . | lzop >/mnt/pve/VZBack/dump/vzdump-lxc-227-2017_12_13-23_00_03.tar.dat' failed: exit code 2

INFO: Starting Backup of VM 9031 (lxc)
INFO: status = running
INFO: CT Name: HOSTNAME.DOMAINNAME.TLD
INFO: mode failure - some volumes do not support snapshots
INFO: trying 'suspend' mode instead
INFO: backup mode: suspend
INFO: ionice priority: 7
INFO: CT Name: unifi.invisia.ch
temporary directory is on NFS, disabling xattr and acl support, consider configuring a local tmpdir via /etc/vzdump.conf
INFO: starting first sync /proc/28573/root// to /mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tmp
INFO: Number of files: 27,158 (reg: 20,748, dir: 2,323, link: 4,057, special: 30)
INFO: Number of created files: 27,157 (reg: 20,748, dir: 2,322, link: 4,057, special: 30)
INFO: Number of deleted files: 0
INFO: Number of regular files transferred: 20,739
INFO: Total file size: 1,690,320,891 bytes
INFO: Total transferred file size: 1,683,135,930 bytes
INFO: Literal data: 1,683,139,571 bytes
INFO: Matched data: 0 bytes
INFO: File list size: 720,835
INFO: File list generation time: 0.001 seconds
INFO: File list transfer time: 0.000 seconds
INFO: Total bytes sent: 1,685,097,238
INFO: Total bytes received: 420,825
INFO: sent 1,685,097,238 bytes received 420,825 bytes 9,338,050.21 bytes/sec
INFO: total size is 1,690,320,891 speedup is 1.00
INFO: first sync finished (180 seconds)
INFO: suspend vm
INFO: starting final sync /proc/28573/root// to /mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tmp
INFO: Number of files: 27,158 (reg: 20,748, dir: 2,323, link: 4,057, special: 30)
INFO: Number of created files: 0
INFO: Number of deleted files: 0
INFO: Number of regular files transferred: 4
INFO: Total file size: 1,690,324,552 bytes
INFO: Total transferred file size: 1,041,655 bytes
INFO: Literal data: 6,057 bytes
INFO: Matched data: 1,035,598 bytes
INFO: File list size: 0
INFO: File list generation time: 0.001 seconds
INFO: File list transfer time: 0.000 seconds
INFO: Total bytes sent: 672,088
INFO: Total bytes received: 9,689
INFO: sent 672,088 bytes received 9,689 bytes 151,506.00 bytes/sec
INFO: total size is 1,690,324,552 speedup is 2,479.29
INFO: final sync finished (4 seconds)
INFO: resume vm
INFO: vm is online again after 4 seconds
INFO: creating archive '/mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tar.lzo'
INFO: tar: ./var/cache/apt/archives/partial: Cannot open: Permission denied
INFO: tar: ./var/log/unifi: Cannot open: Permission denied
INFO: tar: ./var/lib/postfix/master.lock: Cannot open: Permission denied
INFO: tar: ./var/lib/unifi: Cannot open: Permission denied
INFO: tar: ./var/lib/apt/lists/partial: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/saved: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/public: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/active: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/private: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/trace: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/flush: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/deferred: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/hold: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/defer: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/maildrop: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/corrupt: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/incoming: Cannot open: Permission denied
INFO: tar: ./var/spool/postfix/bounce: Cannot open: Permission denied
INFO: Total bytes written: 1281730560 (1.2GiB, 30MiB/s)
INFO: tar: Exiting with failure status due to previous errors
ERROR: Backup of VM 9031 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=/mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tmp' ./etc/vzdump/pct.conf '--directory=/mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tmp' --no-anchored '--exclude=lost+found' --anchored '--exclude=./tmp/?*' '--exclude=./var/tmp/?*' '--exclude=./var/run/?*.pid' . | lzop >/mnt/pve/VZBack/dump/vzdump-lxc-9031-2017_12_13-23_03_59.tar.dat' failed: exit code 2
INFO: Backup job finished with errors
TASK ERROR: job errors

The Container does reside on an NFS share. When doing a backup whilst the container is stopped, everything works.

When I restore without stting the "unprivileged" flag, I can backup the container whilst it's running, too.

Any ideas on this?

THANKS!

Tobias
 
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