Supported limit number of lxc containers in ProxmoxVE

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pmxforum

Renowned Member
Jun 2, 2016
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Hi.

I have some strange thing in latest ProxmoxVE:

! have 30+ lxc containers on my server.
I can't create additional new containers via create ct viazard - It happens nothing after I pressing <Finish> button from web gui.
But on other same server with only 5+ containers, everything is ok.

Also I can restore additional containers from backup, created on another server.

How I can increase the available for creation number of lxc containers?

I have no errors in my logs.
I've tested this starange behaivor in firefox, chome (debian jessie distributions). Opera is not working for container creation.
 
can you post your pveversion -v please ?
 
Here it is:

root@pmx-lxc:~# pveversion -v
proxmox-ve: 4.3-72 (running kernel: 4.4.24-1-pve)
pve-manager: 4.3-12 (running version: 4.3-12/6894c9d9)
pve-kernel-4.4.21-1-pve: 4.4.21-71
pve-kernel-4.4.24-1-pve: 4.4.24-72
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-47
qemu-server: 4.0-96
pve-firmware: 1.1-10
libpve-common-perl: 4.0-83
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-68
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-17
pve-qemu-kvm: 2.7.0-8
pve-container: 1.0-85
pve-firewall: 2.0-31
pve-ha-manager: 1.0-38
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u2
lxc-pve: 2.0.6-1
lxcfs: 2.0.5-pve1
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80
zfsutils: 0.6.5.8-pve13~bpo80
 
can you open the javascript console before clicking finish, then press finish and send any output from the javascript console?
(on chrome you can open it with ctrl+shift+i )
 
No problems here (lab node)

Code: 
root@lab:~# pveversion -v
proxmox-ve: 4.3-72 (running kernel: 4.4.24-1-pve)
pve-manager: 4.3-10 (running version: 4.3-10/7230e60f)
pve-kernel-4.4.21-1-pve: 4.4.21-71
pve-kernel-4.4.24-1-pve: 4.4.24-72
pve-kernel-4.4.19-1-pve: 4.4.19-66
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-47
qemu-server: 4.0-94
pve-firmware: 1.1-10
libpve-common-perl: 4.0-80
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-68
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-15
pve-qemu-kvm: 2.7.0-8
pve-container: 1.0-81
pve-firewall: 2.0-31
pve-ha-manager: 1.0-35
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u2
lxc-pve: 2.0.5-1
lxcfs: 2.0.4-pve2
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80
zfsutils: 0.6.5.8-pve13~bpo80

Quickly creating 30 containers ;)

Code: 
root@lab:~# for i in {1..30}; do VM=$(pvesh get /cluster/nextid | grep -oE '[0-9]*'); pct create $VM local:vztmpl/debian-8.0-standard_8.4-1_amd64.tar.gz -net0 bridge=vmbr0,ip=dhcp,name=eth0,type=veth -hostname $VM -rootfs local-zfs:2 -cpulimit 2 -memory 512 -swap 256; done

Now created another one via WebGUI.

Code: 
root@lab:~# pct list | grep -E 'running|stopped' | wc -l
31
 
On JS console in chromium I have this error, after I pressed <Finish> button:

Uncaught TypeError: Cannot read property 'length' of undefined
at F.onSubmit (pvemanagerlib.js:26096)
at F.handler (pvemanagerlib.js:10140)
at Object.callback (ext-all.js:22)
at F.fireHandler (ext-all.js:22)
at F.onClick (ext-all.js:22)
at F.fire (ext-all.js:22)
at F.fire (ext-all.js:22)
at F.publish (ext-all.js:22)
at F.doDelegatedEvent (ext-all.js:22)
at F.onDelegatedEvent (ext-all.js:22)
onSubmit @ pvemanagerlib.js:26096
handler @ pvemanagerlib.js:10140
callback @ ext-all.js:22
fireHandler @ ext-all.js:22
onClick @ ext-all.js:22
fire @ ext-all.js:22
fire @ ext-all.js:22
publish @ ext-all.js:22
doDelegatedEvent @ ext-all.js:22
onDelegatedEvent @ ext-all.js:22
(anonymous) @ ext-all.js:22

my chrome version is : 56.0.2924.3 dev (64-bit)

But from Windows IE anything is ok with ProxmoxVE web gui.
 
this sounds like a bug which should be fixed already....
can you clear your browser cache please and try again?

if this does not help, can you describe what you write in the fields ?
 
After purging all cache (files, passwords, certificates) the problem solved. There was no reported above errors. I'd newer done such a purge earlier.

I'm using only digits and latin letters during installing an lxc template. Maybe this is a chrome specific. But in the same browser with other servers there is no such a problems with js. As far as I understood - I exceeded some limits for a few my servers (based on ip addresses). I updated them on a regular base from pve-testing. each time after I added a new seciruty exceptions and etc.
 
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