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  1. Firewall multicast rules

    I have the exact same issue. Once PVE firewall is enabled, multicast not going through, despite what rule I enable.
  2. two corosync rings?

    Hi, I saw it is possible to setup two different rings in proxmox. What is the advantage to do so? Is the second ring a failover ring if the first ring becomes slow or unavailable?
  3. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    it seems like switching the network adapter to virtio fixes the issue, freezes are gone.
  4. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    I started only one VM with a network adapter. These lines were added in the ip details a output, so I think they are relevant:
  5. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    Host Node network config: vmbr0 is used for all VMs and CTs vmbr0:0 is used for corosync. eno2 is used for ceph traffic (currently just testing, most nodes use local ext4 dir storages) VM config: I already tried many different configs. - virtio iscsi single - virtio iscsi - iothread/ no...
  6. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    I am still on that issue and figured out: Once I remove the network adapter from the proxmox VM, it does not freeze anymore. If I add it again - it is the same if it is virtio, intel or realtek - it freezes. Also enabled the firewall dropping all incoming packets, still freezing.
  7. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    I observed "iotop" for a while. Once those i/O on all VMs occur, there is a kworker process writing with ~ 500 MB/s: Any ideas?
  8. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    no D state processes, expect sometimes ceph process has D state for some seconds. Our cluster has 32 nodes. Most of them are HP BL460c g8 blades with newest BIOS from 05/2018 (I31) and newest Raid Controller firmware (also tested in HBA mode to bypass the raid controller, no luck). 2x E5-2650v2...
  9. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    the moment, a VM is freezing http://prntscr.com/nykjl6 (see 21:18 - 21:42) all other VMs show high disk usage: http://prntscr.com/nykk4d http://prntscr.com/nykk8g What does the Disk I/O Graph on a VM means? Is it related to the VM only or to the overall disk?
  10. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    These are VMs used by customers as well as test VMs without any custom services running. All KVM VMs are affected, Linux and windows. We are facing this on all nodes in our cluster using CEPH RBD storage or directory storage. LXC containers on the same hosts are not affected.
  11. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    Update: After a while, without killing the VM and wait until the process disappears (takes 5-15mins), the VM starts working again: http://prntscr.com/nyco0x
  12. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    Scope is running when the VM freezes: Also please take a look into the resource usage of a freezing VM: http://prntscr.com/nychsb CPU jumps to 15-20%, memory jumps to 78% and network jumps to 0%
  13. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    update: Linux KVM VMs are also affected LXC container are not affected.
  14. TASK ERROR: start failed: org.freedesktop.systemd1.UnitExists: Unit scope already exists.

    we are now using a CEPH Cluster (RBD) with raw VMs. Unfortunately the issue still persists. Windows VMs keep freezing after a while, CPU usage looks like this: http://prntscr.com/ny3jkp (this is where they freeze), stopping the VM and starting again leads to: There is still a qemu process of...
  15. CephFS trough Proxmox GUI - No VM storage possible?

    Hi, I setup CephFS trough proxmox GUI successfully. Everything looks good but I can't allow disk images on that storage: http://prntscr.com/nv9v87 Isn't it possible to store VMs on CephFS?
  16. Move proxmox to another disk

    played arround with it some hours and I successfully moved 6 nodes to an USB drive now with these steps: - check how much disk space is used by root partition. My USB tick has 32gb, so I made sure root partition used less than 20gb. - start rescue (I use sysrcd) - vgrename pve pve-old ## rename...
  17. How to delete "CephFS"?

    nvm https://pve-ffm.zap-hosting.com:8006/pve-docs/chapter-pveceph.html#chapter_pveceph ceph fs rm cephfs --yes-i-really-mean-it + removing the two pools via GUI helped
  18. How to delete "CephFS"?

    Hi, I am currently playing around with CEPH. Configured it via proxmox gui, added some osds, added a Metadata Server and finally created "CephFS" in the "CephFS" tab: http://prntscr.com/nuzcyd Unter "Storages" (proxmox cluster) I accidently deleted the CephFS storage. When I try to create it...
  19. Move proxmox to another disk

    Hi, we have a Cluster with some nodes. All nodes have a 2TB local disk where proxmox is installed (with its LV). The other space is allocated as ext4 directory storage. I would like to move the OS to a new 60 gb ssd without losing any VPS information. Means the vps stay on their ext4 directory...
  20. Windows KVM freezes - qmp socket - timeout after 599 retries

    Hi, we are facing issues on all KVM VMs (qcow2, VirtIO SCSI, DIR storage (ext4)) for months now. These VMs freeze suddenly. Means we are unable to access by RDP or even by Console (VNC). Syslog shows after crash. Stopping the frozen VM and trying to start them again lead to: There is still a...

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