+1 for that theory, we had some screwy issues when we tried to span subnets until we set every slave and master to listen on a specific IP so we could tie down routing correctly.
Saw very similar symptoms that have been described. On 18 April 2016 at 18:35, Alex Rukletsov <[email protected]> wrote: > I believe it's because slaves are able to connect to the master, but the > master is not able to connect to the slaves. That's why you see them > connected for some time and gone afterwards. > > On Mon, Apr 18, 2016 at 6:47 PM, Stefano Bianchi <[email protected]> > wrote: >> >> Indeed, i dont know why, i am not able to reach all the machines from a >> network to the other, just some machines can interconnect with some others >> among the networks. >> On mesos i see that all the slaves at a certain time are all connected, >> then disconnected and after a while connected again, it seems like they are >> able to connect for a while. >> However is an openstack issue i guess. >> >> Does this also happen when master3 is leading? My guess is that you're not >> allowong incoming connections from master1 and master2 to slave3. Generally, >> masters should be able to connect to slaves, not just respond to their >> requests. >> >> On 18 Apr 2016 13:17, "Stefano Bianchi" <[email protected]> wrote: >>> >>> Hi >>> On openstack i plugged two virtual networks to the same virtual router so >>> that the hosts on the 2 networks can communicate each other. >>> this is my topology: >>> >>> -----------------------internet----------------------- >>> | >>> Router1 >>> | >>> -------------------------------------------------------- >>> | | >>> Net1 Net2 >>> Master1 Master2 Master3 >>> Slave1 slave2 Slave3 >>> >>> I have set zookeeper in with this line: >>> >>> zk://Master1_IP:2181,Master2_IP:2181,Master3_IP:2181/mesos >>> >>> The 3 masters, even though on 2 separated networks, elect the leader >>> correclty. >>> Now i have started the slaves, and in a first time i see all 3 correctly >>> registered, but after a while the slave 3, independently form who is the >>> master, disconnects. >>> I saw in the log and i get the message in the object. >>> Can you help me to solve this problem? >>> >>> >>> Thanks to all. > >
