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Some interesting info about virtio-scsi : http://wiki.qemu.org/File:Virtio-scsi.pdf http://wiki.qemu.org/Features/VirtioSCSI

Yes, we read this type of experience in the other thread. It is like when using iSCSI LUNS, qemu is accessing directly to the SCSI disk (LUN exposed through iSCSI).

For information, I change the title of the thread to "virtio-scsi over LVM problems"

Ok nice :-).

Indeed. I didn't foud this thread in my first searchs because I though it was linked to OVMF...

Ok, thanks anyway for your answer :-).

tried but it not as simple as that. In cluster mode, it seems that LVs are spawned when PVE starts the VM : root@proxmox3:~# /usr/bin/kvm -id 100 -chardev socket,id=qmp,path=/var/run/qemu-server/100.qmp,server,nowait -mon chardev=qmp,mode=control -vnc...

OK, that seems perfectly logical :-)

Sorry, I will test it tomorrow. Thank you for your help spirit.

To be completly clear, do you agree with : virtio-blk = virtio disk in proxmox Hardware tab + virtio controller in proxmox Options tab virtio-scsi = scsi disk in proxmox Hardware tab + virtio controller in proxmox Options tab NEW VM : 110 (SCSI / VIRTIO / SeaBIOS) : sees 100G LUN (bad)...

spirit : virtio = disk type SCSI and hardware type = VIRTIO, you confirm ? My test debian VM uses default partitioning : no UEFI leads to msdos partiton, no LVM usage.

Now : I changed the drive to scsi-blk. Problem gone. Installed qemu-guest-agent, still no problem. root@proxmox1:~# cat /etc/pve/qemu-server/100.conf agent: 1 bios: seabios boot: cdn bootdisk: virtio0 cores: 4 ide2: none,media=cdrom memory: 2048 name: vm1 net0...

madsmao : can you give your feedback concerning your tests with "lxc.cap.drop: syslog" and side effects please ? I find this very interesting. Thank you.

Bad luck, I use virtio-blk. I tested with virtio-scsi, results are bad, see https://forum.proxmox.com/threads/problem-with-iscsi-virtio-ovmf.26192/ If I missed something OK, but currently my feeling is that OVMF bios integration is not right (ie not production ready). I spent some tests hours...

Hello, here is my setup : synology server, 2x100G LUN exposed via a common target proxmox 4.1-1 i cluster on 3 servers new VM : bios: ovmf bootdisk: scsi0 cores: 4 ide2: local:iso/debian-8.2.0-amd64-netinst.iso,media=cdrom memory: 2048 name: vm1 net0: virtio=3A:34:66:31:36:37,bridge=vmbr0...

Perfect, Thank you Dietmar.

Hello, I am asking if PVE has an admin fencing mechanism in order to avoid LVM table manipulation on two nodes at the same time ? Reading this : http://www.tldp.org/HOWTO/html_single/LVM-HOWTO/ section : "LVM is not cluster aware" I am sharing a PV/VG over iSCSI LUN (untick "use directly" in...

Hello, I installed debian-8.2.0-amd64-netinst.iso on a KVM guest with UEFI boot (OVMF BIOS). When the guest starts, the BIOS doesn't boot over the EFI partition (Debien doesn't start, the BIOS comes to the falback EFI command line). In the BIOS, I can start Debian when I use "boot from file"...

My bad (i desactivated pro. repository). Sorry.