Даже если пользователь root, я получаю "Операция не разрешена" при попытке создания кластерного тома между контейнерами Ubuntu 14.04 LXC.

Даже когда пользователь root, я получаю "Операция не разрешена" при попытке создания кластерного тома между контейнерами Ubuntu 14.04 LXC.
Нужно проверить решение локально, прежде чем устанавливать его в производство, и даже локально я не могу установить.

xfce4-terminal -T LocalTerm  

выход

На LocalTerm:

PS1='[\u@\h]-[\D{%T}]-[\W] => '  

lxc profile copy default default-bkp  
lxc profile set default raw.lxc lxc.apparmor.profile=unconfined  

clear   
lxc stop ubt1404X64C001  
lxc stop ubt1404X64C002  

lxc delete ubt1404X64C001  
lxc delete ubt1404X64C002  

lxc launch ubuntu:14.04 ubt1404X64C001  
lxc launch ubuntu:14.04 ubt1404X64C002  

clear  
sleep 10  

lxc list --format csv  

lxc config get ubt1404X64C001 security.privileged  
lxc config set ubt1404X64C001 security.privileged true  
lxc config get ubt1404X64C002 security.privileged  
lxc config set ubt1404X64C002 security.privileged true  
lxc restart ubt1404X64C001  
lxc restart ubt1404X64C002    

xfce4-terminal -T ubt1404X64C001Term -e "bash -c 'lxc exec ubt1404X64C001 -- /bin/bash; exec bash; exit 0;'"   
xfce4-terminal -T ubt1404X64C002Term -e "bash -c 'lxc exec ubt1404X64C002 -- /bin/bash; exec bash; exit 0;'"   

На ubt1404X64C001Term и ubt1404X64C002Term:

PS1='[\u@\h]-[\D{%T}]-[\W] => '  
echo '' >> /etc/hosts  
apt-get update   

apt-get upgrade  
apt-get dist-upgrade  
apt-get autoremove  
apt-get install netcat net-tools  
lsb_release -a  
    No LSB modules are available.  
    Distributor ID: Ubuntu  
    Description:    Ubuntu 14.04.5 LTS  
    Release:    14.04  
    Codename:   trusty  
uname -a  
    Linux ubt1404X64C002 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux  
cat /etc/fstab  
    LABEL=cloudimg-rootfs   /    ext4   defaults    0 0       
apt-get install attr fuse libaio1 liburcu-dev libxml2 python2.7 python-pip rpcbind   
echo '' > ~/testAttr  
setfattr -n user.name -v "UserNameValue" ~/testAttr  
setfattr -n trusted.glusterfs.test -v "working" ~/testAttr  
getfattr -d -m - ~/testAttr  
    trusted.glusterfs.test="working"  
    user.name="UserNameValue"  
add-apt-repository ppa:gluster/glusterfs-4.1  
apt-get update  
    W: Failed to fetch   
    http://ppa.launchpad.net/gluster/glusterfs-4.1/ubuntu/dists  
    /trusty/main/binary-amd64/Packages  404  Not Found  
    E: Some index files failed to download. They have been ignored, or old ones used instead.  
    but available to: artful,bionic,cosmic,devel and xenial  
apt-get install glusterfs-server glusterfs-client open-iscsi watchdog    
glusterfs --version | grep built  
    glusterfs 3.4.2 built on Jan 14 2014 18:05:35  
    Not installed 4.1 version because apt-get update failed with error above to trusty version  

На ubt1404X64C002Term:

ifconfig eth0 | grep 'inet '  
    20.30.40.50  
echo '10.20.30.40 ubt1404X64C001' >> /etc/hosts   
cat /etc/hostname  
ping ubt1404X64C001  
iptables -I INPUT -p all -s ubt1404X64C001 -j ACCEPT  

На ubt1404X64C001Term:

ifconfig eth0 | grep 'inet '  
    10.20.30.40  
echo '20.30.40.50 ubt1404X64C002' >> /etc/hosts  
cat /etc/hostname  
ping ubt1404X64C002  
iptables -I INPUT -p all -s ubt1404X64C002 -j ACCEPT  

mkdir -p /root/tomirrorwith/glusterfs  
cd /root/tomirrorwith/glusterfs   
gluster peer probe ubt1404X64C002  
    peer probe: success  
gluster peer status   
    Hostname: ubt1404X64C002    
    Port: 24007    
    State: Peer in Cluster (Connected)    
gluster volume create gv0 replica 2 ubt1404X64C001:/root/tomirrorwith/glusterfs ubt1404X64C002:/root/tomirrorwith/glusterfs force  
    volume create: gv0: failed  
    ------  
    /var/log/glusterfs/cli.log at ubt1404X64C001  
        W [rpc-transport.c:175:rpc_transport_load] 0-rpc-transport: missing 'option transport-type'. defaulting to "socket"  
        I [socket.c:3480:socket_init] 0-glusterfs: SSL support is NOT enabled  
        I [socket.c:3495:socket_init] 0-glusterfs: using system polling thread  
        I [cli-cmd-volume.c:392:cli_cmd_volume_create_cbk] 0-cli: Replicate cluster type found. Checking brick order.  
        I [cli-cmd-volume.c:304:cli_cmd_check_brick_order] 0-cli: Brick order okay  
        I [cli-rpc-ops.c:805:gf_cli_create_volume_cbk] 0-cli: Received resp to create volume  
        I [input.c:36:cli_batch] 0-: Exiting with: -1   
    ------  
    /var/log/glusterfs/etc-glusterfs-glusterd.vol.log at ubt1404X64C002  
        E [glusterd-op-sm.c:3719:glusterd_op_ac_stage_op] 0-management: Stage failed on operation 'Volume Create', Status : -1  
    ------  

ПОПРОБУЙТЕ ИСПРАВИТЬ В C001TermUbt1404X64:

    cd /sys/module/fuse/parameters/  
    echo Y > userns_mounts  
        ERROR:  
            bash: userns_mounts: Permission denied  

Тот же вопрос по Github
Тот же вопрос на обсуждении.linuxcontainers.org