On Fri, 2010-02-12 at 12:44 -0700, hj lee wrote: > Hi Steven, > > Would you comment on my idea below? This fixes ifdown/ifup issue at > least manually. > > Rather than calling totemnet_iface_check() from > totemrrp_ring_reenable(), I added renew_mcast_membership() in > totemudp.c and called it from totemrrp_ring_reenable(). > > Thanks > hj > Was there a patch here? There is no renew_mcast_membership in the current code base.
Regards -steve > On Tue, Feb 9, 2010 at 7:05 PM, hj lee <[email protected]> wrote: > Hi, > > There were many discussions about this ifdown/ifup and we know > that corosync rrp does not work well with ifdown/ifup. Most > cases corosync-cfgtool -r does not resolve it. I found the > main cause of this issue, that is multicast membership. > > My rrp_mode is passive. When I do ifdown/ifup, I found that > FAULTY was always set only from passive_mcast_recv(). By > looking the actual traffic, the token is received OK, but no > multicast message on the interface I did ifdown/ifup. The > corosync-cfgtool -r does not help at all. What I found was the > socket itself survives, but the multicast membership is lost > across ifdown/ifup. > > I resolved this issue by adding > totemnet_iface_check(net_handlers[i]) if the interface is > FAULTY in totemrrp_ring_reenable(). This call will close > current sockets, create new sockets and rejoin to the > multicast. Actually it does have to close old sockets and > create new one, but that is the only function exposed to > totemrrp, so I just use it to recover multicast membership. It > will be good to have like multicast_join()/multicast_leave() > functions, then just need to call > > multicast_leave(); > multicast_join(); > > This will resolve ifdown/ifup issue manual way. I still think > this issue can be recovered automatically by using netif_check > timer. > > Thanks > hj > > > > -- > Peakpoint Service > > Cluster Setup, Troubleshooting & Development > [email protected] > (303) 997-2823 > _______________________________________________ > Openais mailing list > [email protected] > https://lists.linux-foundation.org/mailman/listinfo/openais _______________________________________________ Openais mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/openais
