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  1. M

    Unable to change ceph networks

    Hi guys, I am trying to change Ceph networks. Since now I had one subnet (172.16.254.0/24) both for public and cluster network. The goal is to have this configuration: cluster_network = 10.10.112.0/24 public_network = 10.10.111.0/24 I have followed this tutorial...
  2. M

    Live migration with ceph sometimes fails

    Hi everyone, I'm using latest proxmox (6.3) and experiencing strange issue during live migration of KVM machines running on ceph block storage (ceph cluster was created through proxmox). Cluster is running fine for several years (was prevously on proxmox 5). This issue started only lately, I...
  3. M

    Missing node in GUI

    Hi, I have added a new node into existing 11-node cluster. The new node correctly shows on "pvecm status" on all nodes. I can also see it on " pvesh get cluster/config/nodes" (on all nodes). But I cannot see it on the webgui on the left side - when I connect to the GUI on all existing nodes, I...
  4. M

    Ceph random high latency

    Hi, I'm running proxmox cluster with 5 nodes and pure SSD Ceph storage (currently about 20 OSDs, all enterprise grade INTEL S3710/S4500, bluestore). Nodes are connected through 10Gbit network. Storage is about 50% full. Everything (system, proxmox, ceph) is updated to latest versions. On top of...
  5. M

    Disk slows down after resize (ceph)

    Hi all, I'm facing a strange problem. I'm using latest Proxmox with Ceph storage backend (SSD only), 10Gbit network, KVM virtualization, CentOS in guest. When I create a fresh VM with 10 GB attached Ceph storage (cache disabled, virtio drivers), I'm getting roughly these speeds in fio...
  6. M

    After enabling built-in firewall connection drops randomly

    Hi, When I try to enable built-in firewall, everything seems to be working, but then are randomly some connections to proxmox node dropped. (VM seems unaffected, but they do not have "centralized" firewall enabled) It does not depends on the number of firewall rules or mode (default DROP or...
  7. M

    [SOLVED] Network fails on VM/CTs after migration to another node

    Hello, I'm experiencing a problem after migration of VM/CT (it happens on both) to another node in Proxmox cluster (they are on the same network, subnet and they have the exact setup). It does not depend on the type of migration (online/offline) either. The thing is that public network...

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