i dont think ovs uses multiple controller at the same time,in my case both were used. i am looking for the reason as per man page in secure mode vswitchd will not be used when connection to controller fails,but it does not says that when the connection is working both controller will be used.
Regards, keve On Fri, Jun 7, 2013 at 10:17 PM, Ben Pfaff <[email protected]> wrote: > Why did you think that setting secure mode would not use ovs-vswitchd? > > On Fri, Jun 07, 2013 at 09:33:31PM +0530, kevin parker wrote: > > I thought setting secure mode would not use ovs-vswitchd, but in my case > > its using both ovs-controller and ovs-vswitchd > > Regards, > > Ananthakrishnan > > > > > > On Fri, Jun 7, 2013 at 8:22 PM, Ben Pfaff <[email protected]> wrote: > > > > > Why do use think it would make a difference? > > > > > > On Fri, Jun 07, 2013 at 08:16:52PM +0530, kevin parker wrote: > > > > Can some one please clarify this,why ovs-vswitchd is used even in > secure > > > > mode > > > > > > > > > > > > On Thu, Jun 6, 2013 at 10:58 AM, kevin parker < > [email protected] > > > >wrote: > > > > > > > > > and with out controller and in standalone ovs-vswitchd is at ~80% > for > > > the > > > > > same traffic. > > > > > > > > > > using > > > > > *ovs-vsctl -V* > > > > > ovs-vsctl (Open vSwitch) 1.4.2 > > > > > Compiled Nov 23 2012 12:41:37 > > > > > > > > > > *ovs-controller -V* > > > > > ovs-controller (Open vSwitch) 1.4.0+build0 > > > > > Compiled Feb 18 2013 13:13:22 > > > > > OpenFlow versions 0x1:0x1 > > > > > > > > > > > > > > > On Thu, Jun 6, 2013 at 10:28 AM, kevin parker < > > > [email protected]>wrote: > > > > > > > > > >> Mostly HTTP, > > > > >> > > > > >> For confirming bench marked Apache with ab, ovs-vswitchd reached > 100% > > > and > > > > >> ovs-controller 14% > > > > >> > > > > >> ovs-dpctl show at the time of benchmark > > > > >> > > > > >> system@xenbr0: > > > > >> lookups: hit:55391 missed:966296 lost:0 > > > > >> flows: 0 > > > > >> port 0: xenbr0 (internal) > > > > >> port 3: vif2.1 > > > > >> port 4: vif1.1 > > > > >> > > > > >> Do i need to make any changes in ovs-controller. > > > > >> > > > > >> Thanks, > > > > >> Kevin. > > > > >> > > > > >> > > > > >> On Wed, Jun 5, 2013 at 9:56 PM, Ben Pfaff <[email protected]> wrote: > > > > >> > > > > >>> On Wed, Jun 05, 2013 at 07:11:44PM +0530, kevin parker wrote: > > > > >>> > Hi, > > > > >>> > > > > > >>> > i have ovs-controller with default setting > (ovs-controller > > > -v > > > > >>> > ptcp:6633). > > > > >>> > > > > > >>> > > > > > >>> > on xenserver host with ovs > > > > >>> > > > > > >>> > *ovs-vsctl get-fail-mode xenbr0* > > > > >>> > *secure* > > > > >>> > > > > > >>> > I set it to secure mode to test that host should not use > vswitchd > > > for > > > > >>> flows > > > > >>> > and forward it to controller for generating flow .* > > > > >>> > * > > > > >>> > > > > > >>> > *ovs-vsctl get-controller xenbr0* > > > > >>> > *tcp:10.10.10.183:6633* > > > > >>> > * > > > > >>> > * > > > > >>> > * ovs-dpctl show > > > > >>> > * > > > > >>> > * > > > > >>> > hit:8560336 missed:1060122 lost:0 > > > > >>> > flows: 81 > > > > >>> > * > > > > >>> > > > > > >>> > where xenbr0 is an isolated bridge with no connection to host > > > > >>> interfaces. > > > > >>> > No other bridge is connected to this controller. > > > > >>> > When i ping vms on same host l can see ovs-vswitchd using 35% > > > CPU. > > > > >>> > > > > > >>> > and ovs-controller almost 11% CPU and some times non > responsive ssh > > > > >>> session > > > > >>> > on hosts. > > > > >>> > > > > >>> What kind of trafffic do you have in your network? > > > > >>> > > > > >> > > > > >> > > > > > > > > >
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