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    Improve VM guest disk performance (Ceph, 10 GBE, Qemu, Virtio)

    As we learned yesterday from the nice guys at inett.de (Saarbrücken, Germany), we have choosen wrong SSD types for the ceph DB storage. We will report how things evolve.
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    Improve VM guest disk performance (Ceph, 10 GBE, Qemu, Virtio)

    Hello @all, we are running a Proxmox cluster with five nodes. Three of them are used for ceph, providing 2 pools, one with hdd, the other one with ssd. The two other nodes are used for virtualization with qemu. We have redundant 10 GBE storage networks and we have redundant 10 GBE ceph networks...
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    [SOLVED] Proxmox Ceph Redundant Network Setup help required

    Hello Alwin, the trunk cable between the two switches was the missing link. After connecting the switches the redundancy worked fine. Thank you very much for your help! Best greets, Mario Minati
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    [SOLVED] Proxmox Ceph Redundant Network Setup help required

    Hello Alwin, thanks for the quick reply. I know about them and can set the primary interface manually in /etc/network/interfaces, it cann't be set via the GUI, right? But I still have trouble understanding active-backup bonding after reading the bonding docs more than once: If I pull e. g...
  5. M

    [SOLVED] Proxmox Ceph Redundant Network Setup help required

    Hello @Alwin, halle @all, we have setup the hardware according to our plans (set attached network scheme) and have trouble on testing the bonded interfaces. If running a ping from one Proxmox node to an other over a bonded interface and pulling the cable out oh one of the two NICs, than die...
  6. M

    [SOLVED] Proxmox - measure disk performance

    Sorry, I forgot to allow the MAC to connect to internet. Then 'apt-get update && apt-get install fio' did it. Greets, Mario
  7. M

    [SOLVED] Proxmox - measure disk performance

    Hello, sorry this feels like an absolute newbee question, but I could not figure out where to get "fio" from. I'd like to measure disk performance using fio, but searching with "apt-cache search fio" doesn't show anything. Any help is welcome. Best greets, Mario
  8. M

    [SOLVED] Proxmox Ceph Redundant Network Setup help required

    Hello Alwin, thanks for your advices. We improved our network setup according to your suggestions (new network diagram is attached) : - The management net ist now seperated from corosync ring 0 net, we use additional 10GBE network ports, so we can change the exisiting 1 GBE network switch if...
  9. M

    [SOLVED] Proxmox Ceph Redundant Network Setup help required

    Hello @all, we are new to Proxmox. Currently we are using Univention Corporate Server to virtualize 15 machines with 3 physical servers. We are lacking a shared storage and HA. Therefore we would like to setup a proxmox cluster with 5 physical machines, 3 identically configured machines for...

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