[PVE-User] lxc container can't start on a newly added cluster node

Marco M. Gabriel marcomgabriel at gmail.com
Fri Jan 11 11:18:09 CET 2019


Hi there,

we recently added a 4th proxmox node to our 3-node proxmox cluster. When
trying to migrate or start an lxc container to the new node, it doesn't
start because it can't mount /dev/pts/x to /dev/console. I can move the lxc
container to each of the 3 old nodes and start it there, but it refuses to
start on the new node.

Nodes 1 to 3 were installed with Version 4.4 and upgraded until the
current 5.3-6/37b3c8df (running kernel: 4.15.18-9-pve)
Node 4 was installed a few days ago, but is on exactly the same version now.

The lxc container is an ubuntu 16.04 based container from the proxmox
repository and was installed about a month ago.

Trace log of lxc-start (shortened):

lxc-start 116 20190111094747.940 INFO     conf -
conf.c:lxc_fill_autodev:1220 - Populating "/dev"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/full"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/null"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/random"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/tty"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/urandom"
lxc-start 116 20190111094747.940 DEBUG    conf -
conf.c:lxc_fill_autodev:1235 - Created device node "/dev/zero"
lxc-start 116 20190111094747.940 INFO     conf -
conf.c:lxc_fill_autodev:1297 - Populated "/dev"
lxc-start 116 20190111094747.940 ERROR    utils - utils.c:safe_mount:1791 -
No such file or directory - Failed to mount /dev/pts/3 onto /dev/console
lxc-start 116 20190111094747.940 ERROR    conf -
conf.c:lxc_setup_dev_console:1765 - Failed to mount "/dev/pts/3" on
"/dev/console"
lxc-start 116 20190111094747.940 ERROR    conf - conf.c:lxc_setup:3656 -
Failed to setup console
lxc-start 116 20190111094747.940 ERROR    start - start.c:do_start:1246 -
Failed to setup container "116"

Any hints how to fix this or what happens here?

Best regards,
Marco


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