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Hi, I'm running some network bandwidth tests on an Alma Linux VM (RHEL8) and I get assymetric performances. Test is run with netcat: server: nc -l 1122 -v >/dev/null client: dd if=/dev/zero bs=4M count=1024 |nc robin 1122 The server robin is not virtualized (physical host with CentOS7). Same...

Hi, I'm again in a "mon low disk space" on my small proxmox cluster. I saw many threads about this warning but I'm unable to manage the problem. average osd use is 5% only / partition (where /var/lib/ceph is located) is 72% (19GB available) and this seems to be a problem for Ceph # df -h...

Hi, I'm running a proxmox cluster 4.4-12 for a while with 3 nodes, each having 2 osd and running a monitor. Since a few days I have one monitor down on one node and I do not understand how to track the problem. Nothing obvious for me in the /var/log/ceph . I've no recent informations in...

I had a large Centos VM (32Gb) and to reduce the size of the backup I add a disk on my ceph storage with backup set to 0 (I toggle the no backup button and use a remote backuppc server for this area) and move all the data to this new storage (/dev/vdb). It remain less than 3GB on /dev/vda. But...

Hi, I am unable to setup a VLAN config on PVE 4.4. My error should be simple but I do not find it! Context: 3 node cluster, node-3 only running a VM for testing the VLAN setup. The running config: On node-3 I have vmbr9 bridged on eth9. VM103 on node-3 is VirtIO connected on vmbr9 The IP of...

I've some troubles understanding backup/restore for a (CentOS) VM with Ceph storage, used as NFS server. Let say it is VM n. 100. I've added a hard drive to this VM (virtio1) and it is located on my ceph RDB storage. I do not want to backup this additionnal disk when I backup the VM as it is a...

I'm trying to use pci passthrought for an old nvidia GeForce 9300 GE GPU in a win7 VM. The GPU is detected in the guest os, driver is installed and updated but I still get a code 43 error. I haven't more detailed information and this peripheral is disabled in the VM The config is based on the...

Hi, I've set up a 3 nodes cluster with CEPH (1 disk/node) and High availability. I'm in the testing step now (not in prod) and I spend some time to broke the config and check how proxmox recovers. I fall in a freezed situation where: - I have a separate network for CEPH - my linux VM is running...

I have a cluster of 3 nodes proxmox VE 4.4-12/e71b7a74 with CEPH storage set up (one pool). I've created a Linux CentOS7 VM in the CEPH storage pool I've added a disk in this VM, located in the same CEPH storage pool, to store data with the "No Backup" flag because I do not want to backup these...

I'm setting up a new cluster with proxmox 4.4-5. on 3 identical nodes. The cluster was setup in unicast (as multicast was not working) then moved successfully to multicast since the network config allows now multicast. I'm in the step of installing CEPH. Yesterday I reboot the third node and...

For several weeks I'm trying to build a PVE cluster (not H.A. at this time) with 2 nodes for testing (so I'm allowed to break everything!). I've understood that 3 nodes is better but I've only 2 and I read that it is possible to do this. My documentation is the wiki and "Proxmox High...

I'm using proxmox 4.2 on a computer with 10 network interfaces: On board: 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe 02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe 03:00.0 Ethernet controller: Broadcom...

Using Proxmox 4.2 whith kernel: # uname -a Linux proxmost1 4.4.16-1-pve #1 SMP Wed Aug 31 15:14:37 CEST 2016 x86_64 GNU/Linux trying to install iscsitarget and iscsitarget-dkms fails with: # apt-get install iscsitarget iscsitarget-dkms ... Building module: cleaning build area.... make...

Just a quick question: I'm using an old proxmox install (2.1). I have some troubles with the OS hard drive. Changing the hard driver is the opportunity to move to the latest proxmox 3.2. Can I restore my backed up VM from proxmox 2.1 to proxmox 3.2 safely ? Or is it necessary to follow a...

Hi, this is my first big problem with proxmox. Last week we had a big power failure. To reboot the server I had to run an xfs_repair on the /var/lib/vz partition and some files have been removed. Now, my last 2 virtual servers (linux) do not restart and I get this error code 47. Of course...

I'm a new user with proxmox, runing a BackupPC virtual appliance with success for several months. However I do not fully understand network behavior with proxmox when the host has several network devices. I do not find a simple enought documentation for my level of knowledge, just discussions...

Hi, I'm runing proxmox 2.1.1 and runing a fedora in an openVZ container. My server has 4 hard drives: 2x250Gb (sda, sdc) and 2x1Tb (sdb, sdd). proxmox is installed on /dev/sda. I've build a new volume group on /dev/sdb, created a 500Gb logical volume formatted with xfs. It is mounted as...

Hi, I'm new with proxmox and not very familiar with virtualization. I've installed proxmox 1.8 some month ago and spent many time to get more familiar with this environment. I've installed serveral openvz and kvm appliances. Before building my server for production I've installed the latest...