Recent content by itvietnam

  1. I

    2 x 10Gbps switches for CEPH

    Mikrotik is not design for CEPH using. Their software work for routing is good but for heavy load like CEPH is not.
  2. I

    corosync 3 stable and proxmox 6.x

    IC. I had followed topic upgrade Proxmox 5.4 to 6.0 with multiple crash because of lib KNET missing. But i still see many crashed report while people using 6.1 do you receive this report too?
  3. I

    corosync 3 stable and proxmox 6.x

    it seems corosync 3 is not stable while using knet with unicast (proxmox wiki mentioned unicast support maximum 4 nodes only) from first 8 pages in this box https://forum.proxmox.com/forums/proxmox-ve-installation-and-configuration.16/ we can see many cluster crashed, proxmox reboot/failed...
  4. I

    [SOLVED] issue adding nodes to proxmox

    Update hosts file and point to LAN IP of all node. Then service pvecluster restart
  5. I

    ceph nvme ssd slower than spinning disks16 node 40 gbe ceph cluster

    Samsung Evo or Pro is not Enterprise class. They do not support parallel write.
  6. I

    2 x 10Gbps switches for CEPH

    Please search for key word LAG or MLAG. Arista, IBM G8124 support this feature.
  7. I

    bad network performance between two guest machines on same host

    Please check your disk speed, it maybe limited by your read speed and write speed.
  8. I

    Proxmox search is really slow

    less than 5 seconds to return this info root@node01:~# pvesh ls nodes/node01/qemu Dr--d 103 Dr--d 213 Dr--d 443 Dr--d 495 Dr--d 513 Dr--d 553 Dr--d 581 Dr--d 655 Dr--d 795 Dr--d 801 Dr--d 803 Dr--d 806 Dr--d...
  9. I

    Proxmox search is really slow

    Hi @udo, it takes few 2 seconds to display: root@node01:~# pvesm status Name Type Status Total Used Available % backup nfs active 46740281344 44594970624 2145310720 95.41% hdd rbd active...
  10. I

    Proxmox search is really slow

    Hi, I have fews cluster: some of them have 3 nodes, some of them have 9 nodes ... all cluster is fast while selecting search box. There is a cluster with 20 nodes, it takes me nearly 1 minute to show things up. May i know how to investigate this root cause Our pveversion: proxmox-ve: 6.1-2...
  11. I

    All nodes rebooted when moving one node to another rack

    Hi @spirit, do you see any delay while you type any VMID in Proxmox search box from your cluster 20 nodes?
  12. I

    cloud init CentOS 6

    Please try to install from epel repo, then they will included cloud-init 18.2
  13. I

    proxmox reboot whole cluster

    Hi, I have 10 node named from node1 to node10. I have shutdown node9 for maintenance. Then i removed node2 by pvecm delnode node2 Later i turn on node9 back and whole system shutdown (reboot random). It seems something fence all nodes. May i know how to turn on node9 back to the system...
  14. I

    Proxmox VE 6.0 released!

    can we do rolling update by migrate VPS to other node and keep it online or we have to force shutdown all VPSes before doing upgrade? I could see corosync v3 has a lot of issues here: https://forum.proxmox.com/threads/pve-5-4-11-corosync-3-x-major-issues.56124/ so is it stable now?
  15. I

    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    since proxmox v6 used corosync 3 so is it stable for proxmox v6 now?

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