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Maybe this will help? http://forum.proxmox.com/archive/index.php/t-1904.html

I can't imagine the diff eth would cause issues unless the card has hardware problem. Intel Pro are pretty solid in my exp. Maybe reseat the card, verify speed/duplex with ethtool or the like. You will like 3 better anyway :)

I was just thinking you could slow the backups in the vzdump.conf to see if it is an i/o issue. Is it always the same vm that is panics during backup?

Are you using snapshots for live backup? You may try and drop the limit for vzdump to see if helps? No log info for raid issues?

We have a three node proxmox cluster connected to a three node ceph cluster. So far so good. We run about 20 KVMs on it. Do you have vzdump limit set?

Make sure you have content type of Backup selected in the storage config.

A test env I am using right now with 2.3 we have three ceph servers, each with one hd for os,one mon, two osd (hd) with journal on the same osd disk (not best practice at all), two bonded nics. A quick dd creating 1gb file seeing 22/MBs from kvm guest using scsi driver. We are using this env to...

We have used iscsi with drdb before but we have moved to ceph. Just curios about your ceph performance. The wiki says to build with three nodes but you used two. Also it states to use ssd for journal, one disk per osd. We have build serveral ceph clusters on ubuntu and centos and have had...

We use KVM only mostly because we use ceph cluster for storage. ProxMox --> ceph cluster is great.

This is great. I will take a lot at it for sure. I think for me, the main reason I decided to rbd export and then compress was to remove the snap asap. I like getting rid of snaps quickly. Does 7z not support lzop? I haven't used it mayself. The other thing I am looking at is dumping the...

I have also created a restore script for kvms #!/bin/bash #Author: Troy Hockman Afewteks LLC #Desc: This will do a quick restore for ceph images bakimage="rbd.TEST.111.2013_01_01_13_09.tar.lzo" baktemp=/mnt/pve/KVMBaks/temp bakdir=/mnt/pve/KVMBaks/dump resimage=$(tar...

I have been testing with ceph also. I noticed the backup issue and wrote a bash script to backup the ceph images. Put the ceph.conf on the proxmox servers /etc/ceph/ceph.conf and run from each node. It works with KVMs. I don't use containers so didn't test it. #!/bin/bash #Author: Troy...