On 06/13/2015 09:47 PM, Ben Pfaff wrote: > On Fri, Jun 12, 2015 at 02:29:38PM -0400, Russell Bryant wrote: >> On 06/11/2015 03:14 AM, Ben Pfaff wrote: >>> On Wed, Jun 10, 2015 at 11:53:47PM -0700, Ben Pfaff wrote: >>>> I want to report progress I've made tonight on an extended form of the >>>> OVS sandbox that I expect to be useful for testing OVN. The main point >>>> of the extension is to make it easy to start up multiple sandboxed >>>> instances of OVS and then connect them together. >>>> >>>> What I have is at: >>>> https://github.com/blp/ovs-reviews/tree/ovn-sandbox >>>> >>>> Please don't bother to review it; the code and its history is a mess. >>>> But I want to demonstrate some of the potential. If you check this out >>>> and build, then run a command like this (assuming that you keep your >>>> build directory as a subdirectory of your source directory as I do; >>>> otherwise adjust the path on --init): >>>> >>>> utilities/ovs-sandbox --ovn --init=../ovn/sbtest >>> >>> If you use something like the following instead of the script from my >>> previous email , you get a 50 "hypervisor" simulated scale test (on my >>> laptop it starts in 3 seconds!): >>> >>> net_add n1 >>> ovn-nbctl lswitch-add br0 >>> for i in `seq 50`; do >>> (sb_add hv$i >>> ovn_attach n1 hv$i br-phys 192.168.0.$i >>> as hv$i ovs-vsctl add-port br-int vif$i -- set Interface vif$i >>> type=dummy external-ids:iface-id=lp$i) & >>> done >>> for i in `seq 50`; do >>> xx=`printf %02x $i` >>> ovn-nbctl lport-add br0 lp$i >>> ovn-nbctl lport-set-macs lp$i f0:$xx:$xx:$xx:$xx:$xx >>> done >>> wait >> >> I gave this a try and even with 50 I get a few ports that don't come up. >> As far as I can tell it's not an OVN bug, though. Every time I have a >> port that doesn't come up, the VIF didn't get added to the switch for >> that hypervisor so OVN is behaving as expected. >> >> So, for example I have ... >> >> $ for n in `seq 50` ; do echo -n "$n : " && ovn-nbctl lport-get-up >> lp$n ; done | grep down >> 29 : down >> 30 : down >> 38 : down >> 41 : down >> 48 : down >> >> $ ovs-vsctl --db=unix:/home/rbryant/src/ovs/sandbox/hv1/db.sock show | >> grep vif >> Port "vif1" >> Interface "vif1" >> >> >> $ ovs-vsctl --db=unix:/home/rbryant/src/ovs/sandbox/hv29/db.sock show >> | grep vif >> (nothing) >> >> >> I haven't quite figured out what causes it yet, though. > > I found the problem: > http://openvswitch.org/pipermail/dev/2015-June/056351.html >
Great! So it was an OVN issue after all. :-) Thanks for the explanation of the issue. That makes sense. -- Russell Bryant _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
