[ovs-discuss] Open vSwitch installation in userspace.

陈文龙 qzchenwl at gmail.com
Fri Jul 30 00:16:42 UTC 2010


Have you loaded the openvswitch_mod module?

2010/7/30 Hardeep Uppal <hardeep.uw at gmail.com>

> Hi,
>
> I am new to Open vSwitch and had a few question about open vswitch setup in
> userspace in dom0 (2.6.26-2-xen-686). I followed steps 1 to 5 from
> INSTALL.Linux to compile and install open vswitch.
>
> % ./configure
> % make
> % su
> % make install
>
> I then initialize the configuration database using ovsdb-tools as
> instructed on step 7.
>  % ovsdb-tool create /usr/local/etc/ovs-vswitchd.conf.db
> vswitchd/vswitch.ovsschema
>
> I made sure that directory /sys/class/misc/tun and /dev/net/tun exist. All
> this looked like it worked fine until I tried to initialize the database and
> started open vswitch daemon. I got the following error when I tried to setup
> a bridge using the command "ovs-vsctl add-br br0".
>
> root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovsdb-tool create
> /usr/local/etc/ovs-vswitchd.conf.db vswitchd/vswitch.ovsschema
> root at ettm:/home/ettm/Desktop/openvswitch-1.0.1#  ovsdb-server
> /usr/local/etc/ovs-vswitchd.conf.db
> --remote=punix:/usr/local/var/run/openvswitch/db.sock
> Jul 29 12:42:33|00001|reconnect|INFO|unix:/tmp/stream-unix.8222.0:
> connecting...
> Jul 29 12:42:33|00002|reconnect|INFO|unix:/tmp/stream-unix.8222.0:
> connected
> Jul 29 12:42:39|00003|jsonrpc|INFO|unix:/tmp/stream-unix.8222.0: connection
> closed
> Jul 29 12:42:39|00004|reconnect|INFO|unix:/tmp/stream-unix.8222.0:
> connection dropped
> Jul 29 12:43:21|00005|reconnect|INFO|unix:/tmp/stream-unix.8251.0:
> connecting...
> Jul 29 12:43:21|00006|reconnect|INFO|unix:/tmp/stream-unix.8251.0:
> connected
> Jul 29 12:55:12|00007|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
> connecting...
> Jul 29 12:55:12|00008|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
> connected
> Jul 29 12:55:12|00009|jsonrpc|INFO|unix:/tmp/stream-unix.10566.0:
> connection closed
> Jul 29 12:55:12|00010|reconnect|INFO|unix:/tmp/stream-unix.10566.0:
> connection dropped
>
> root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovs-vsctl init
> Alarm clock
> root at ettm:/home/ettm/Desktop/openvswitch-1.0.1# ovs-vswitchd
> unix:/usr/local/var/run/openvswitch/db.sock
> Jul 29
> 12:43:21|00001|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
> connecting...
> Jul 29
> 12:43:21|00002|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
> connected
> Jul 29 12:43:21|00003|dpif_linux|ERR|/proc/devices: openvswitch major not
> found (is the module loaded?)
> Jul 29 12:43:21|00004|dpif|WARN|failed to enumerate system datapaths: No
> such device
> Jul 29 12:55:12|00005|dpif_linux|ERR|/proc/devices: openvswitch major not
> found (is the module loaded?)
> Jul 29 12:55:12|00006|dpif|WARN|failed to create datapath br0: No such
> device
>
>
> I am not sure what the error corresponds to. I would appreciate any help.
>
> Thanks,
>
> Hardeep
>
>
>
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>
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