virtio-scsi

  1. P

    Additional confirmation: guest disk EIO / MariaDB InnoDB failures with Proxmox 7.x host kernel, mitigated by booting 6.17.13-13-pve

    Hi all, I would like to add another data point to the already reported issue regarding guest disk I/O errors with the Proxmox 7.x host kernel series. This is related to the existing thread: io_uring on kernel 7.0.6-2-pve / guest disk I/O errors / EIO / filesystem shutdown In our case, the...
  2. B

    [SOLVED] TrueNAS 25.10.4 (kernel 6.12.91) fails to boot in Proxmox VM - no block devices in initramfs

    Environment: - Proxmox VE 9.1.9, kernel 6.17.9-1-pve - TrueNAS 25.10.3 working fine, upgraded to 25.10.4 - VM config: Q35, OVMF (UEFI), VirtIO-SCSI-PCI controller, 8GB RAM, 2 cores (host type) - QEMU version: 10.1.2 (pve-qemu-kvm_10.1.2-7) Problem: After updating to 25.10.4, the system...
  3. bbgeek17

    [TUTORIAL] Deep dive into Storage Controllers and Performance of Windows on Proxmox - Continued

    Hello All, Here's another technote in the Windows on Proxmox series. In Part 4, we quantify and compare IOPS, bandwidth, and latency across all storage controllers and AIO modes under ideal conditions (i.e., "unloaded"), utilizing Windows 2022 running on Proxmox with iSCSI shared block storage...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
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