[ovirt-users] UCS Integration (vmfex/SRIOV)

David LeVene David.LeVene at blackboard.com
Mon Feb 29 01:27:46 EST 2016 

Hi Dan,

Answers as follows;

# rpm -qa | grep -i vdsm
vdsm-jsonrpc-4.17.18-1.el7.noarch
vdsm-hook-vmfex-4.17.18-1.el7.noarch
vdsm-infra-4.17.18-1.el7.noarch
vdsm-4.17.18-1.el7.noarch
vdsm-python-4.17.18-1.el7.noarch
vdsm-yajsonrpc-4.17.18-1.el7.noarch
vdsm-cli-4.17.18-1.el7.noarch
vdsm-xmlrpc-4.17.18-1.el7.noarch
vdsm-hook-vmfex-dev-4.17.18-1.el7.noarch


There was in this folder ifcfg-ovirtmgnt bridge setup, and also route-ovirtmgnt & rule-ovirtmgmt.. but they were removed after the reboot.

# ls -althr | grep ifcfg
-rw-r--r--. 1 root root  254 Sep 16 21:21 ifcfg-lo
-rw-r--r--. 1 root root  120 Feb 25 14:07 ifcfg-enp7s0f0
-rw-rw-r--. 1 root root  174 Feb 25 14:40 ifcfg-enp6s0

I think I modified ifcfg-enp6s0 to get networking up again (eg was set to bridge.. but the bridge wasn't configured).. it was a few days ago.. if it's important I can reboot the box again to see what state it comes up with.

# cat ifcfg-enp6s0
BOOTPROTO="none"
IPADDR="10.80.10.117"
NETMASK="255.255.255.0"
GATEWAY="10.80.10.1"
DEVICE="enp6s0"
HWADDR="00:25:b5:00:0b:4f"
ONBOOT=yes
PEERDNS=yes
PEERROUTES=yes
MTU=1500

# cat ifcfg-enp7s0f0
# Generated by VDSM version 4.17.18-1.el7
DEVICE=enp7s0f0
ONBOOT=yes
MTU=1500
HWADDR=00:25:b5:00:0b:0f
NM_CONTROLLED=no

# find /var/lib/vdsm/persistence
/var/lib/vdsm/persistence
/var/lib/vdsm/persistence/netconf
/var/lib/vdsm/persistence/netconf.1456371473833165545
/var/lib/vdsm/persistence/netconf.1456371473833165545/nets
/var/lib/vdsm/persistence/netconf.1456371473833165545/nets/ovirtmgmt

# cat /var/lib/vdsm/persistence/netconf.1456371473833165545/nets/ovirtmgmt
{
    "nic": "enp6s0",
    "ipaddr": "10.80.10.117",
    "mtu": "1500",
    "netmask": "255.255.255.0",
    "STP": "no",
    "bridged": "true",
    "gateway": "10.80.10.1",
    "defaultRoute": true
}

Supervdsm log is attached.

Regards
David



-----Original Message-----
From: Dan Kenigsberg [mailto:danken at redhat.com]
Sent: Sunday, February 28, 2016 20:51
To: David LeVene <David.LeVene at blackboard.com>; edwardh at redhat.com
Cc: Michael Burman <mburman at redhat.com>; users at ovirt.org
Subject: Re: [ovirt-users] UCS Integration (vmfex/SRIOV)

On Thu, Feb 25, 2016 at 04:14:04AM +0000, David LeVene wrote:
> Hi Michael,
>
> Something weird is happening with the networking on the vmhost.
>
> I run the setup and vdsmd comes up ok.. I see ovirtmgmt connected to the non vmfex device and the vmfex device is unconfifuged as it’s a new host.
>
> When I reboot the host.. it fails to start vdsm and I get errors like this - and its deleted all related networking information that was present before.
>
> Feb 25 14:39:50 test_host_c systemd: Starting Virtual Desktop Server Manager network restoration...
> Feb 25 14:39:51 test_host_c vdsm-tool: Traceback (most recent call last):
> Feb 25 14:39:51 test_host_c vdsm-tool: File
> "/usr/share/vdsm/vdsm-restore-net-config", line 425, in <module> Feb
> 25 14:39:51 test_host_c vdsm-tool: restore(args) Feb 25 14:39:51
> test_host_c vdsm-tool: File "/usr/share/vdsm/vdsm-restore-net-config",
> line 388, in restore Feb 25 14:39:51 test_host_c vdsm-tool:
> unified_restoration() Feb 25 14:39:51 test_host_c vdsm-tool: File
> "/usr/share/vdsm/vdsm-restore-net-config", line 110, in
> unified_restoration Feb 25 14:39:51 test_host_c vdsm-tool:
> _remove_networks_in_running_config()
> Feb 25 14:39:51 test_host_c vdsm-tool: File
> "/usr/share/vdsm/vdsm-restore-net-config", line 195, in
> _remove_networks_in_running_config
> Feb 25 14:39:51 test_host_c vdsm-tool: _inRollback=True) Feb 25
> 14:39:51 test_host_c vdsm-tool: File "/usr/share/vdsm/network/api.py",
> line 932, in setupNetworks Feb 25 14:39:51 test_host_c vdsm-tool:
> "system" % network) Feb 25 14:39:51 test_host_c vdsm-tool:
> network.errors.ConfigNetworkError: (27, "Cannot delete network 'ovirtmgmt': It doesn't exist in the system") Feb 25 14:39:51 test_host_c vdsm-tool: Traceback (most recent call last):
> Feb 25 14:39:51 test_host_c vdsm-tool: File "/usr/bin/vdsm-tool", line
> 219, in main Feb 25 14:39:51 test_host_c vdsm-tool: return
> tool_command[cmd]["command"](*args)
> Feb 25 14:39:51 test_host_c vdsm-tool: File
> "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 41,
> in restore_command Feb 25 14:39:51 test_host_c vdsm-tool:
> exec_restore(cmd) Feb 25 14:39:51 test_host_c vdsm-tool: File
> "/usr/lib/python2.7/site-packages/vdsm/tool/restore_nets.py", line 54,
> in exec_restore Feb 25 14:39:51 test_host_c vdsm-tool: raise
> EnvironmentError('Failed to restore the persisted networks') Feb 25 14:39:51 test_host_c vdsm-tool: EnvironmentError: Failed to restore the persisted networks Feb 25 14:39:51 test_host_c systemd: vdsm-network.service: main process exited, code=exited, status=1/FAILURE Feb 25 14:39:51 test_host_c systemd: Failed to start Virtual Desktop Server Manager network restoration.
> Feb 25 14:39:51 test_host_c systemd: Dependency failed for Virtual Desktop Server Manager.
> Feb 25 14:39:51 test_host_c systemd: Dependency failed for MOM instance configured for VDSM purposes.
> Feb 25 14:39:51 test_host_c systemd: Job mom-vdsm.service/start failed with result 'dependency'.
> Feb 25 14:39:51 test_host_c systemd: Job vdsmd.service/start failed with result 'dependency'.
> Feb 25 14:39:51 test_host_c systemd: Unit vdsm-network.service entered failed state.
> Feb 25 14:39:51 test_host_c systemd: vdsm-network.service failed.
>
> Any ideas?

Which vdsm version are you using? Can you share your
/etc/sysconfig/network-scripts/ifcfg* as well as your /var/lib/vdsm/persistence/ and /var/log/vdsm/supervdsm.log ?

Regards,
Dan.
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