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  1. Proxmox 6 GlusterFS Client slow

    Is anyone else experiencing slowness with GlusterFS client on Proxmox 6 ? GlusterFS client on Proxmox 5 works great, but since Proxmox 6 somehow there must be a bug on GlusterFS client.
  2. Proxmox 6.1-7 API Clone Error

    After upgrading to Proxmox 6.1-7, the API Clone feature is not working anymore. It always NULL: POST /api2/json/nodes/{node}/qemu/{vmid}/clone Return: { "data": null } All the previous versions from Proxmox 6 and Proxmox 5 are working fine.
  3. NoVNC Mouse Lag

    Hello friends. Since Proxmox 5.1 I'm facing a mouse lag with NoVNC. Is there any configuration which I could edit to try to solve this ? On Proxmox earlier versions it doesn't happens. Here it is a recording, on Proxmox 5.1, showing Mouse sliding with Lag: And here it is another...
  4. PVE API Docs (Restore backup)

    I've been looking at PVE API Docs and I could't find the Endpoint for restoring backups. Isn't it possible through API ?
  5. LVM No such file or directory - After Reboot

    Hi, After reboot, all VMs are failing to initialize: PVE Version: proxmox-ve: 5.2-2 (running kernel: 4.15.17-3-pve) pve-manager: 5.2-2 (running version: 5.2-2/b1d1c7f4) pve-kernel-4.15: 5.2-3 pve-kernel-4.13: 5.1-45 pve-kernel-4.15.17-3-pve: 4.15.17-12 pve-kernel-4.15.17-2-pve: 4.15.17-10...
  6. Clone bandwidth limit

    Hello, How can I set clone rate limit in MB/s ?
  7. Proxmox + LVM cache

    Hey there, I've seen that using ZFS on a HW RAID is not advisable. Due to this advices, In my setup with Hardware Raid, I've been planning to use LVM with cache, instead of ZFS. Have someone experienced good perfomance, working on Proxmox + LVM Cache ?
  8. ZFS write (High IO and High Delay)

    Hello guys, I'd like to hear from you about the write speed of your ZFS setup. I'm using SSD, when a VM is being cloned, IO goes up to 30 - 40%. I see , from iotop command, that txg_sync is at 99%, and write oscilates from Kilobytes to a couple Megabytes, every second. I don't know what is...
  9. Corosync spam

    Hello, I realized that corosync sometimes "spam" the network, hence Cluster goes down and Nodes becomes "gray". Here it is the output when Corosync gets crazy: Apr 12 20:32:25 ns524364 corosync[2602]: notice [TOTEM ] Retransmit List: 8d 8e 8f 90 91 92 93 98 99 ff 106 107 108 89 8a 8b 8c 94...
  10. Proxmox API Timeout

    Hi, I'm running into trouble when working with PVE API. When I pass a "large" array to "PUT /api2/json/nodes/{node}/qemu/{vmid}/config", Proxmox makes part of the changes and then throw Time Out Error. If I pass a smaller array, with a few config params, it doesn't Time Out. How can I...
  11. 11 Nodes in Unicast (UDPU)

    Hi, I'd like to hear from you guys, if running a cluster with 11 or more Nodes in Unicast (UDPU) can lead me to any instability in Proxmox ? I'm not using High Avaibility or distributed file system, i'm just using ZFS and NFS Share. Thanks in advance.
  12. VM "Tap" Interface

    Hello, When I used "ifconfig -a", I realized that the MAC Address for "TapXXX" interface is different from the MAC Address configured in Proxmox GUI: Shouldn't it be the same ?
  13. Proxmox cluster with interrogation icon

    I started to face some problems with my cluster since the last week. Sometimes my cluster shows nodes with interrogation icon: That's really strange. I have to restart all nodes so they get back working again (online state). I already tried "service pve-cluster restart", but doesn't...
  14. Check real KVM Disk usage

    Hi, is there any way to check real disk usage on KVM guests ? EDIT: found it: https://balau82.wordpress.com/2011/05/08/qemu-raw-images-real-size/
  15. KVM Windows (Clock changes after some time)

    Hello there, I'm facing a problem with Windows guest clock. The problem is that Windows Guest VM is synching with the Host Clock, overwriting the previous time. I know that when VM starts, it synch by default, and then after startup, VM synchs with a NTP server. But after hours of execution...
  16. Run if-up script when VM start

    Hi, When a VM starts, an Interface is added, as we can see in ifconfig: tap100i0: flags=4419<UP,BROADCAST,RUNNING,PROMISC,MULTICAST> mtu 1500 ether 4a:69:1b:65:cf:41 txqueuelen 1000 (Ethernet) RX packets 23583 bytes 31600364 (30.1 MiB) RX errors 0 dropped 0...
  17. Proxmox 5 Ballooning not working (after upgrade)

    Hello guys, I found a bug on Proxmox 5, after upgrading. Proxmox 5 is not releasing balloning memory. As we can see below, ballooning drivers are still working: But that free memory is not being released to the host, that VM above just increased 12 GB on Host System total ram usage:
  18. Proxmox 5 strange RAM usage

    EDIT: I found a Proxmox 5 bug: https://forum.proxmox.com/threads/proxmox-5-ballooning-not-working-after-upgrade.36496/
  19. (UDPU) Waiting for Quorum (Stucked)

    I have a cluster with 3 nodes working smoothly, I'm using UDPU instead of Multicast. When I try to add the 4th node, it hangs on Waiting for Quorum. Here's is my Corosync: logging { debug: off to_syslog: yes } nodelist { node { name: ns524364 nodeid: 1 quorum_votes: 1...
  20. Windows Server 2003 Bluescreen crash at random times

    Hello, There's something strange when running Windows Server 2003 x64 with Proxmox, I already tried many different ISO install of Windows, but after the install and at random times running the VM, it just crashes with a bluescreen saying that a hardware failure happened. Does anyone here faced...

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