1. K

    VE Guest VM Unable to Discard

    Hi everyone, I have a guest VM which seems to be unable to utilize the discard option to free up block space. The guest VM is a Ubuntu 18.04 LTS OS with an ext4 root FS. Underlying storage is Ceph on Bluestore OSDs. VM storage controller is VirtIO-SCSI, with just a standard 1TB disk attached to...
  2. C

    VirtIO SCSI single stuck to 14 hard disks

    Hello everyone, we are running a Proxmox 5.2-10 and are attempting to attach around 30 disks to a VM using SCSI device. According to the documentation, section hard disk, if you set VirtIO SCSI single as the default SCSI controller you get "no limit" since Qemu will create a new controller for...
  3. C

    Proxmox 4.4 Unable to boot from scsi1 (VirtIO-SCSI)

    Hi All, I found Proxmox 4.4 unable to boot VM if hard disk is listed as scsi1 even though the boot order is set to scsi1. Proxmox found no bootable disk if I set scsi1 in boot order. I was testing Ubuntu 16.04.2 Linux RAID1 for one drive failure simulation and unable to boot second drive due...
  4. E

    KVM crash during vzdump of virtio-scsi using CEPH

    When this problem happens the KVM process dies. Never had this problem untilI changed from virtio to virtio-scsi-single, also happened with virtio-scsi vm.conf: args: -D /var/log/pve/105.log boot: cd bootdisk: ide0 cores: 4 ide0: ceph_rbd:vm-105-disk-1,cache=writeback,size=512M ide2...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!