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I noticed that throttling a vm's disk it also reduces its backup speed. I played with different limits and i confirmed it. Is this behaviour expected? I believe disk throttling shouldn't effect backup speed. Backups happen while kvm running.

or drop other nodes ip with firewall rules or hard reset the server

I would love and update in this :D https://bugzilla.proxmox.com/show_bug.cgi?id=639 I have a proxmox 4.0 installation. I will try to find some time and respond if this bug is present in 4.0 Beta

Stability problem didn't solved. The package is ok though. I will mark this as Resolved. Thank you.

Ok so the procedure was like we could do in any other debian package. It worked! I will leave cluster for an hour or two and check stability. Should i be alerted for this too? proxmox-ve-2.6.32: 3.4-159 (running kernel: 2.6.32-40-pve) ---> proxmox-ve-2.6.32: 3.4-160 (running kernel...

I am in the process of upgrading-rebooting my 5 cluster nodes. Unfortunately during upgrading one of them (4th in row), pve-subscription repo errored and it used pve-no-subscription one. I had forgot to comment it. The result is that it has some newer packages and after rebooting this faulty...

I tried to start cman in 2 nodes of a non-Ha proxmox cluster (5 nodes) and i got the following error during start: Starting cluster: Checking if cluster has been disabled at boot... [ OK ] Checking Network Manager... [ OK ] Global setup... [ OK ] Loading kernel modules...

Just change "scenario" with "fictional scenario" :D My question its in theory. For now, "only" 1TB ram server configurations exist.

https://access.redhat.com/articles/rhel-kvm-limits I see in redhat link that maximum kvm ram can be 4TB or "Supports the maximum supported memory in the host, all of which may be allocated to the virtualized guest. 32-bit guests with Physical Address Extension (PAE) support will only be able...

https://openvz.org/Download/template/precreated

libvrt seems to have already this functionality http://libvirt.org/formatdomain.html#elementQoS Do we have any update from proxmox team regarding this potential bug / feature?

I believe the problem is the same weather traffic is incoming or outgoing. I will update with logs to confirm it.

I am pretty sure you can find a physical server with more than 2TB disk and configure an NFS share or ISCSI LUN on it. I suggest this share being in the same network, otherwise high latency will kill your io performance. What is your use case? Share some more info

I report it. Thank you. https://bugzilla.proxmox.com/show_bug.cgi?id=639

I believe this potential bug its essential. Its strange that no one cares.

Should we report a bug?

Do anyone else have the same problem? Its easy to test.

Should we report a bug?

I found that using rate limit at ethernet devices causes bandwidth to be unstable. Here is a iperf example of a vm with no limits. The iperf server has a 1Gbit limit and the result is expected [root@localhost ~]# iperf -c x.x.x.x -t 60 -i 1...

I guess these are disks with ram. The ram your kvm was using when you took snapshots.