qemu

  1. A

    Jasper Lake Proxmox (KVM/QEMU) VM Guest Stability

    Problem Description: Many people using Promox (and other KVM/QEMU based hypervisors) on Jasper Lake platforms (N5105, N6005) are experiencing kernel panics and/or hangs of their guest VMs. Both Linux (OpenWRT, Ubuntu) and FreeBSD (pfSense, OPNsense) guest VMs are affected. The host itself...
  2. MrCalvin

    My humble 10Watt server put AWS EB2 to shame!

    Headlines are supposed to be dramatic and only half-truth, right :p After some talk on other threads about power-consumption, AMD, Intel and servers, I thought I'll get some real power numbers on the on-prem servers I usually setup at my customers. Some questioned the power numbers I've been...
  3. MrCalvin

    EXT4 optimization (Journal, checksum, QEMU, LVM, MDADM)

    I've decide to use mdadm RAID1(root) and RAID5(data) on my servers and my final choice of filesystem was EXT4 for both (did consider btrfs, XFS and ZFS, but looking at all pros/cons I ended up with EXT4). I've started wondering about a few things in regards to performance optimizing: Twice...
  4. AveryFreeman

    Alpine Linux as OS-base for hypervisor

    Hi everyone, So obviously Alpine is getting a lot of attention lately since Docker is popular, but it also has a plethora of packages commonly available in larger-footprint distros - namely KVM, libvirt and ZFS. It runs easily from RAM since it's so small, and is also unencumbered by systemd...
  5. B

    performance of KVM/QEMU disks on ZFS volumes

    Apologies if this question does not below to this forum. I am running a small number of Windows 10 guests on libvirt-2.5 + qemu-2.7 + linux-4.8 with ZFS 0.6.5.8 . Disks of the guests are setup on ZFS zvols , for example disk C: of guest "lublin" ... <disk type='block' device='disk'>...