Recent content by tincboy

  1. OVS on many servers

    So as I've L2 connectivity between all nodes, how can I avoid establishing GRE between all pairs of servers?
  2. OVS on many servers

    My servers are all connected via layer2 switches, but I can't add so many vlans on them.
  3. OVS on many servers

    I've a cluster of 40 Proxmox nodes and I want to start offer private network to my clients, Each client of me may have few VMs on different nodes, and it's not static, they may add/remove VMs. My question is if I want to setup OVS based private networking it's necessary to add GRE for each two...
  4. Create RBD image based on another image

    I've build a cloned VM using linked clone from Proxmox interface, but consider when I want to rebuild that VM, I will need to remove the primary disk of that VM and add an other one which is based on an other base image, ( for example changing the OS of that VM from Ubuntu to CentOS ) Is there...
  5. OpenSM is not detecting ib ports

    And this also got fixed by "modprobe xprtrdma" I've add them to /etc/modules to auto load them after reboot
  6. OpenSM is not detecting ib ports

    After running "modprobe ib_umad" on both Proxmox nodes, OpenSM detects the ports but still the link is in initialization status: service opensm status ● opensm.service - LSB: Start opensm subnet manager. Loaded: loaded (/etc/init.d/opensm; generated) Active: active (exited) since Fri...
  7. OpenSM is not detecting ib ports

    I'm connecting two Proxmox servers with ConnectX-3 cards, they can see each other in Ethernet mode but in ib mode, the link remains in Initiating state despite physical link up status. Also in opensm logs I can see that it cant detect ib ports while there are active. and both cards are in the...
  8. Poor randwrite fio performance result

    Thanks, you are right indeed. I've figured it out by "--image-shared" option when creating fio image, like code below: rbd -p rbd create --size 2048 fio_test --image-shared
  9. Poor randwrite fio performance result

    I've a SSD based Ceph cluster with 3 nodes, the read IOPS is about 250K with 96 parallel fio jobs ( running from 3 different nodes ), the reasults are fine. But the Write performance is not more than 2k IOPS when more than 1 parallel jobs is running. ( with only one job I can reach 15K write...
  10. [SOLVED] Mellanox ConnectX-3 is not detected by Proxmox

    The card was faulty, Our vendor has changed that card for us. Sorry to bother.
  11. [SOLVED] Mellanox ConnectX-3 is not detected by Proxmox

    Hello, I'm going to use Mellanox ConnectX-3 for Proxmox 5.4 but the kernel is not detecting it, while it's being detected fine by Windows on the same server. Any help on how to make it work? lspci | grep Mellanox returns empty result pveversion -v proxmox-ve: 5.4-1 (running kernel...
  12. Monitor in Unknown status

    I guess it's monitor connection issue, because monitor service is up and running. Any help on how to troubleshoot it would be much appreciated.
  13. Monitor in Unknown status

    I had a two node ceph cluster, It was working fine, but after adding new node to ceph cluster and there for joining it to proxmox cluster, one of my previous monitors went into unknown status despite it's running. Also the new monitor is in unknow status too. Please check the attached picture...
  14. Create VM Command

    Some PGs where in undersized status, It's now fixed. But my main question on how to find out the commands which is being ran by each task is not answered yet. do you know how to?
  15. Create VM Command

    I just tried to create a VM on CEPH via GUI but it got timeout from RBD, after that I've tried to create VM via command line and it seems to be OK, so I wonder if there's any way to find the command which GUI is running to create VM on CEPH? TASK ERROR: unable to create VM 102 - error with cfs...


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