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  1. D

    VM only uses 50% of CPU

    Hi, I have a proxmox 7.3.4 host with 4 sockets with 16 cores each (AMD Opteron 6282 SE), total 64 cores I created a Windows VM on proxmox and allocate 64 cores to this VM to use all cpus available (only 1 vm per host) when I run a cpu stress test on VM, only 50% of the all cores is at 100%...
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    VM live migration between hosts with dif storage config

    Hi, I have a cluster with 4 nodes, 2 access one iscsi storage and other 2 access a dif storage, the storage A is only shared betwen host A and B, storage B is only shared between host C and host D, this is because they are in dif sites connected by fiber channel network, each site has a storage...
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    PVE hosts grayout if a SMB storage mount timeout

    Hi, We have a PVE cluster with 5 nodes, everything works great!!! the only problem is that when a SMB mount (PVE shared storage for VM backups) timeout ... the cluster stay all grayout... and we cant manage any VM on this cluster.. everything display as grayout and stays unavailable for...
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    Proxmox with iSCSI Equallogic SAN

    Hi, I've setup a environment with proxmox 6 and iSCSI Equallogic (DELL), this kind of storage requires some TCP modifications to work correctly with multipath.. One feature that is necessary for this storage to improve iscsi performance is "Disable DelayACKs" on Hosts connected to the...
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    Create firewall security groups based on POOLS

    Hi, There is any way to link firewall rules (security groups) based on POOL ? so, when we associate VMs as a member of a specific pool, the same firewall rules (security groups) created on parent pool, should be Inherited by those VMs. Thanks.
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    Proxmox 6 with cache=writeback and modern kernels VMs

    Hi, I would like your advises regarding enabling or not writeback cache on guest VMs.. We only use modern OSEs like, Centos 7, Centos 8, Ubuntu 16, WIndows 16/19... What are your recommendations with writeback cache enabled on proxmox guests? With these modern kernels, will be any chance of...
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    /dev/mapper/disk01 over iscsi not listed under DISKS on proxmox node

    Hi, I just configure a LUN-DISK over iscsi locally on proxmox node using multipathd and open-iscsi tools, but the disk does not appear under DISKs tab on proxmox gui. over ssh, I can see the LUN normally listed at /dev/mapper/disk01, can create PV,VG, etc... but cant see the disk listed under...
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    Host instable after update 5.0.21-5

    Hi, I'm using Proxmox 6.0-12.. After updating the kernel to 5.0.21-5 the /var/log/syslog start to ouput these erros below: VM 106 qmp command failed - VM 106 qmp command 'balloon' failed - Invalid parameter type for 'value', expected: integer VM 103 qmp command failed - VM 103 qmp command...
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    Host memory usage

    Hi, My proxmox 6.0 host is reporting 56GB of RAM usage, but the sum of my total VMs (5) running is only 15GB (considering the total memory allocation, not used memory on guest), this host does not run CEPH or any other services, just KVM process, what is consuming so much memory if the sum of...
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    Adjust CPU graphs based on CPU ratio limit

    Hi, When we define resources limits on CPU usage, example: 2 vcpu with CPU limit of 1.0 (50%) the VM CPU usage graphs only goes to 50% maximum, but the VM is using 100% of the resources available because of the ratio limit imposed at this VM. Is possible to adjust the graphs based on CPU limit...
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    cloud-init hostname change with CentoOS8

    Hi, When we create a CLONE of Centos8 with cloud-init deployed, the hostname change is not working ... With CentOS7 is working ok.... Other features is OK, disk grow, dns, sshd, etc.. Anyone already tested the cloud-init integration with CentOS8 ?
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    Feature Request: Block Storage Integration with storage vendors

    Hi, There are plans for Proxmox support block storage integrations drivers for storage vendors like DELL,HP,IBM,LENOVO etc.. the same way OpenStack CINDER does? Would be nice to use this for storage features like Create/Delete snapshots, create/attach/extend block storage volumes directly on...
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    Create new linux bridges without node reboot

    Hi, When we create a new Linux Bridge using Proxmox GUI, it's necessary to reboot the node to apply the changes.. There's a way to avoid this reboot and reload the new network config?
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    ZFS-local (iSCSI device)

    Hi, I know that is possible to use ZFS-local filesystem with proxmox with LOCAL disks.. But if I configure an iscsi LUN via open-iscsi/multipahd locally at proxmox node and than create a ZFS filesystem on top of it, will proxmox recognize this disk/lun as local disk ? or ZFS-local is only...
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    Native Backup with iSCSI/LVM shared storage

    Hi, I'm going to setup a iSCSI/LVM HA Cluster with Proxmox and a iSCSI SAN DELL Storage for Proxmox VMs. I read in the docs that Live Snapshots with iSCSI/LVM is not supported.. that can be managed here... but my doubt is regarding the Backup feature... Will be possible to proxmox use the...
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    Proxmox Replication feature does not replicate cloud-init drive

    Hi, I'm testing the replication feature of Proxmox 6 using zfs-local on both nodes, everything works great except for the cloud-init config drive... when I try to simulate a disaster recovery, and try to use the replica VM on node02, the cloud-init drive does not exist on target zfs-local...
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    VM replication

    Hi, I'm trying to create a replication between two PVE 6.0 Servers, but it is giving the error below when I try to create the replication: 2019-10-25 11:26:01 101-0: start replication job 2019-10-25 11:26:01 101-0: guest => VM 101, running => 0 2019-10-25 11:26:01 101-0: volumes =>...
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    CEPH does not mark OSD down after node power failure

    Hi, I'm making some testing in a ceph cluster before put VMs in production onto this environment.. but we are seeing a strange problem.. When I reboot a node (Clean OS Shutdown) everything works great in the Ceph Manager, the node OSD become DOWN and everything works as expected.. But if we...
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    Doubt regarding HA fence on Proxmox

    Hi, I use three node cluster with proxmox 6 and CephRDB for virtual machines. Is fence really necessary for virtual machines running over a ceph rdb cluster? no other shared resources exist.. soh that's why I'm confusing about the fence requirement on this HA cluster. My self understand about...
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    CPU hotplug not working..

    Hi, I enabled NUMA on guest hardware, but when try to increase vCPU count, the guest cpu not change.. Memory hotplug is working great!! just CPU is not!! In the proxmox GUI when I increase the CPU count, the hardware tab stay in RED... and only disappear after a VM shutdown.. Why the CPU...

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