Proxmox 4.1 - problems with NVMe Storage

[jmaus]

we have one server with 2 x 512GB NVMe Devices, Debian 8 is installed with pve 4.1

now we add a vm (Debian 8) and the CPU runs with 100% permanently.
syslog says
pvedaemon[1310]: unable to connect to VM 100 qmp socket - timeout after 31 retries

what can we do to solve the problem?

pveversion -v
proxmox-ve: 4.1-39 (running kernel: 4.2.8-1-pve)
pve-manager: 4.1-22 (running version: 4.1-22/aca130cf)
pve-kernel-4.2.8-1-pve: 4.2.8-39
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 1.0-1
pve-cluster: 4.0-36
qemu-server: 4.0-64
pve-firmware: 1.1-7
libpve-common-perl: 4.0-54
libpve-access-control: 4.0-13
libpve-storage-perl: 4.0-45
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-9
pve-container: 1.0-52
pve-firewall: 2.0-22
pve-ha-manager: 1.0-25
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u1
lxc-pve: 1.1.5-7
lxcfs: 2.0.0-pve2
cgmanager: 0.39-pve1
criu: 1.6.0-1

 

[wolfgang]

Hi,
how do you use this 2 NVMe Disks?

 

[jmaus]

Hi,

We use the nvme disks as Boot device
It is a Hetzner PX61-NVMe Server

 

[petrogazz]

Hi there!

I just bumped into your post and I would like to ask you if your issues with NVMe were resolved.

A customer of mine wants the same hetzner server and I would appreciate if you shared your experience in terms of stability and performance.

Thanks in advance!

 

[jmaus]

Hi,

yesterday i have installed the server with raid 1 - debian 8.4 netinstall and pvetest
YES IT WORK'S, but it is a test version

 

[petrogazz]

Thank you for your feedback. I'll get back to you if we decide to go with this setup.