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Do you mean this allow to use DHCP if all other ports are DROPed?

For what needed option "DHCP enabled" ? I can setup any IPs on the VM with DHCP enabled and without.

Is it possible to convert LXC to OpenVZ? - - - Why you support so unstable virtualization like LXC and remove stable OpenVZ? Very stupid decision! Sorry, but it's true.

Did not help. But today I was on the server at this moment. avg CPU usage was 50%. One CT with cpulimit 0.8 and cpuunits 8 start to use 100% of 1 core (see in top). load average was 200. When kill the process LA stay lower. Then again have high LA, and NMI watchdog: BUG: soft lockup - CPU#5...

Yes. 500 was set.

No solutions for LXC. The servers was down and down every day.

#Start arch: amd64 cmode: console console: 1 cores: 1 cpulimit: 0 cpuunits: 1024 hostname: server memory: 2048 net0: name=eth0,bridge=vmbr0,firewall=1,gw=185.162....1,hwaddr=9E:7E:27:93:3A:F8,ip=185.162...../24,rate=6,type=veth onboot: 1 ostype: centos rootfs: lvmthin:vm-500-disk-1,size=10G swap: 0

I could not find the reason why this happened. LXC is a very unstable. We migrated 5 nodes from OpenVZ to LXC and now have a downtime every 2 days.

No.

Good idea!

30-50 CT. But mostly it uses for VPN and other lite service. At least 50% CPU are free. OpenVZ was more stable (( How do you detect these "bad" containers?

What limit did you set? 3k was not help me.

Is irqbalance helped for someone?

During all time, when the disk busy was 100%, was many kernel errors. Short video - https://screencast.com/t/a6iELIP9l9dl

The same issue on the other server one day ago.

Sorry, I said about %busy of course. It is a bug of munin. When you use all resources you have it can write incorrect information. Must be 100% of course. Can't access to the server at this moment.

Have not high iops usage, the disk latency was fine, but disk util 100%. I saw that two times with different nodes and only on LXC. Why it can be? Is that a bug of LXC?

IO limits dos not work on LVM-Thin.

We use and VM too. But CT is cheeper. And the staff have access to guest system, so we can help to our client faster. Also we can share the drive, and we can't do it on KVM and save the snapshot at that time. CT use smaller memory then VM. And it is a simpler to setup CT from template and make...

How can I hide to display block devices using iostat and other utils? Asking about LXC.