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Solved, was not a problem of proxmox (for more information see updated first post). Moderators can delete this thread. Sorry for the inconvenience caused.

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Hello, the problem of the sudden increase from ~ 0-3 % cpu usage to 12.5% per KVM VM was caused by another server in the dataserver. Our system got all its traffic which was then transfered to the VMs. We could observe around 4,000 to 10,000 connections with a bandwith of 1.5 - 3 MB/s. This was...

Thank you Fabian.

Hi, might be a stupid question but still: After installing proxmox ontop of a debian jessie based on the wiki, I entered our subscription and added the /etc/apt/sources.list.d/pve-enterprise.list Can I or should I remove the /etc/apt/sources.list.d/pve-install-repo.list which is still listing...

thank you, used the wiki article and tested it, works wonderful.

I would like to ask this too, is Proxmox 4.1 compatible with fail2ban?

thank you.

Hm... i am just stupid I guess the old backup is deleted only on success? (Would be nice if someone can confirm) If that is so, then my backup simply fails cause of not enuff space. The backup will be ~ 60 GB where my df -h shows [...] /dev/mapper/vg1-backup 296G 242G 39G 87%...

Hi, the scheduled backup was running for months without problems. Since 2 weeks i get the following error while using the scheduled backup. "vma_queue_write: write error - Broken pipe". vzdump 200 --quiet 1 --mode snapshot --mailto REMOVED --compress lzo --storage backup 200: Apr 09...

running fsck fixes it in so far that i can mount the vda again, but the main part of data then is "recovered" to the lost+found folder... i guess i cannot do anything now to recover the data of the raw image file?

old server is running again from power outtage... i cannot start the vm on the old nor on the new server, seems the filesystem of the raw image file is corrupted. any advice but running fsck?

Hi m.ardito, I already found some advice from you of the same type on the forums, you recommended the grml live cd some years ago to do that. i will try that. could you explain a little further how i would do that step: "mount .raw into livecd filesystem" - standard mount to /dev/xyz of the...

another question: in case i cannot boot the raw image incase of corruption (the VM on the old srever was stopped without shutdown - server outtage): Can i partly recover files from that raw image? It was a debian system running several websites, mysql db and a mailserver. thats why i need at...

i am now copying the raw image file to a newly created VM on the new server with dd: dd if=vm-100-disk-1.raw of=/dev/vg1/vm-101-disk-1 - the OS on that raw image format was debian squeeze - i hope i can start the vm after the copy finishes, since this was a live system which is now offline any...

Hello, i have a problem: i have a disk-image: vm-100-disk-1.raw of an old proxmox server (2.3) - is there any possible way to restore this disk image to a VM on a new update2date node? I dont have any way to to create a usual backup from the old proxmox server. Thanks for your help

Do cpulimit and cpuunits work for both kvm and openvz?

Yes, what i was trying to achieve with that earlier xen setup was the following: I think back in that time I had 4 cores also with a count of 8 threads, which gave you 8 cpu ids: 0-7. What I did on that xen was assinging one VM to the cpu ids 0-3 and the other 2 VMs to 4-7. The goal was to never...

Yes that was indeed the reason: So one VM can not interfere with the CPU "power" of the other VM. I had that setup some years ago on a xenserver. Googling "kvm cpu affinity" or "xen cpu affinity" give some results that might have mislead me.

Hi, yes I meant the cpu cores. I read some information about kvm being able to set cpu affinity for VMs. So this is not possible using proxmox i guess. Thanks again for your fast anwser.