[PVE-User] VM inaccessible, Virtual LAN CARD issue

Marco Gabriel - inett GmbH mgabriel at inett.de
Sun Jul 28 12:48:03 CEST 2013

Are all your VMs running the same OS? Could it be an OS issue that's not related to PVE?

Can you reach the VM host from the VM?

Best regards,


-----Urspr├╝ngliche Nachricht-----
Von: Muhammad Yousuf Khan <sirtcp at gmail.com>
Gesendet: Sam 27 Juli 2013 23:37
An: pve-user at pve.proxmox.com
Betreff: Re: [PVE-User] VM inaccessible, Virtual LAN CARD issue

any help would be highly appreciated?

On Sat, Jul 27, 2013 at 4:47 PM, Muhammad Yousuf Khan <sirtcp at gmail.com <mailto:sirtcp at gmail.com> > wrote:
here is my pve details
pve-manager: 2.3-13 (pve-manager/2.3/7946f1f1)
running kernel: 2.6.32-19-pve
proxmox-ve-2.6.32: 2.3-93
pve-kernel-2.6.32-19-pve: 2.6.32-93
lvm2: 2.02.95-1pve2
clvm: 2.02.95-1pve2
corosync-pve: 1.4.4-4
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.93-2
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.9-1
pve-cluster: 1.0-36
qemu-server: 2.3-18
pve-firmware: 1.0-21
libpve-common-perl: 1.0-49
libpve-access-control: 1.0-26
libpve-storage-perl: 2.3-6
vncterm: 1.0-3
vzctl: 4.0-1pve2
vzprocps: 2.0.11-2
vzquota: 3.1-1
pve-qemu-kvm: 1.4-8
ksm-control-daemon: 1.1-1

On Sat, Jul 27, 2013 at 4:45 PM, Muhammad Yousuf Khan <sirtcp at gmail.com <mailto:sirtcp at gmail.com> > wrote:
i have been running a private cloud for about a year, although i am using PVE for 4 years but this is first time i am using it for remote cloud. 
every thing is working great and nothing happen for about a year. however i observe one issue. which is Virtual Machine lan card related, 
this is not happening very frequently . but happen once in a 3 month and not on all machines but few machines. 

the problem is, VM stop reaching the LAN and WAN.

when i ping , it says "destination host unreachable"

i disable/enable the LAN card it didnt help.

i restart the machine it also does not help.

i finally found the work around, i add another lan card and suntdown/restart the machine the new lan card start working and after a while the problem one is also start working.

would any one please tell me what is happenning and how can i fix it. 



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