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  1. M

    erro while vm reboot

    I have 1 machine with almalinux 8.9 when I reboot the machine it will stack the below showing message on the conole ================================================================= probing edd (edd=off to disable) ... ok ================================================================= How can...
  2. M

    [SOLVED] Thin volume error

    Hello Can anyone explain what is this error? snapshotting 'drive-scsi0' (local-lvm:vm-101-disk-0) WARNING: You have not turned on protection against thin pools running out of space. WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools...
  3. M

    Proxmox vs VMware (storage i/o control (SIOC))

    Hello Do proxmox do storage i/o control (SIOC) that automatically balances disk I/O resources among VMs based on their shares and limits?
  4. M

    [SOLVED] Disk IOPS vs Proxmox read ops

    Hello What is the difference between disk IOPS and proxmox VM read or write OPS/s for example, is Samsung disk random read = 100K IOPS = 100,000 IOPS. so, Proxmox read OPS = 100K OPS = 100,000 OPS Is that true or I am in misunderstand?
  5. M

    [SOLVED] Proxmox security issue

    Hello I am using proxmox with engine as revers proxy. what I found out is that if anyone put a link with api as mentioned below, he can get a reply with all the machine (photo is attached) configuration data the link: https://subdomain.example.com/pi2/extjs/nodes/subdomain/qemu/vmid/config I...
  6. M

    very slow boot virtual machine

    Hello My virtual machines are booting very slow and I noticed it stock at process flushing of run time journald please note that cloud-init is connected via serial Any suggestion how can I resolve this issue?
  7. M

    protection against thin pool

    Hello How can I activate / turn on protection against thin pools running out of space?
  8. M

    How to control VM steal IO

    Hello 2 VMs steal my server IO and make it very slow. iostate shows one steal 60.4% and the second steal 38.4% (see the attached photo). other machines io is zero (0) I set the read and write ops limit to 150 Can you help me to resolve this issue?
  9. M

    [SOLVED] proxmox VM IOPs unit of measure

    Hello I would like to know what measure proxmox use for virtual machine iops. For example when Samsung disk PM1643 says Random Read is 440k OPS, I can understand that is equal to 440 x 1000 = 440000 IOPS (https://semiconductor.samsung.com/us/ssd/enterprise-ssd/) So, if I want to use 10% for VM...
  10. M

    Cluster waiting for quorum...ok

    Hello I am trying to create my first cluster. For each time I create new installation and trying to join the cluster, it will stop waiting for quorum...ok (check the attached photo). also i cannot access GUI I do not know if I should wait or something is wrong i am not able to add node 3 because...
  11. M

    [SOLVED] clustering on separate network network

    Hello I have 3 servers first one with 1 NIC with 4 ports and second one with 2 NICs 2 ports each and third server same as first one My goal is to make cluster on separate network as recommended by proxmox What I did on the first server: I have main bond for port 1 and 2 and bridge vmbr0 which...
  12. M

    [SOLVED] Set proxmox cluster on seperate NIC

    Hello I have 3 servers first one with 1 NIC with 4 ports and second one with 2 NICs 2 ports each and third server same as first one My goal is to make cluster on separate network as recommended by proxmox What I did on the first server: I have main bond for port 1 and 2 and bridge vmbr0 which...
  13. M

    [SOLVED] Unable to acquire pmxcfs lock

    Hello I did some changes on the corosync file then restart and I restored the file before the changes then I did pcmxcfs -l after that I got the cluster and corosync failed to start the syslog shows error Unable to acquire pmxcfs lock any help
  14. M

    2 node cluster

    Hello Can I connect 2 nodes not on the same LAN to cluster? please note that each node has its on IP the purpose of clustering is motioning and management and not live migration
  15. M

    Firewall configuration

    Hello I would like to configure firewall to allow all inbound & outbound traffic, forbid ARP, , so I plan to do the below mentioned configuration * At data center leve: Input policy : Accept Output policy Accept * At node level...
  16. M

    [SOLVED] ZFS on raid server

    Hello I have server with raid 1 for 2 x ssd sas drives for operating system I want to create ZFS file system in 3 NVMe drives each one shall be in separate pool my question will the new created ZFS file system conflict with the existing RAID system? or it is safe?
  17. M

    [SOLVED] iostat show disk as zd how can I know the disk for which machine

    Hello' iostat show disk as zd how can I know the disk for which machine (attached photo)
  18. M

    What is KVM CPU Affinity?

    Hello I see on the proxmox VM creation CPU affinity. Can anyone explain what does it mean? and what is its benefits ?
  19. M

    [SOLVED] API error

    Hello I am getting the below mentioned API error from proxmox Undefined subroutine &PVE::GuestHelpers::get_cpuunits called at /usr/share/perl5/PVE/API2/Qemu.pm line 1485. (500); Failed to update Vm config; Configuration failed; vm_act_wrong_state please note that the problem appear only after...
  20. M

    [SOLVED] Network device rate limit does not work after proxmox upgrade

    Hello I have machine where I set the rate limit to 10MB/s but it is working with 40MB/s the problem appear only after upgrade to vrsion 7.2-14

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