- Re: Nodes not join Cluster - UDP discarded Mes 2007-11-01 - By jboss_cody
Back
Thank you for the reply Bela,
Before I answer your questions, I thought that I should also mention that I am
using vmware Server w/Centos5 to develop my cluster.
I have successfully configured two separate VM's for my cluster. (vmware Server
only allows up to 4 virtual NICs per vm)
I started 3 nodes on one vm, and they form a cluster.
Then I start 3 more nodes on the other vm and they form a cluster.
I then changed the cluster-configurations on the 2nd set of nodes, to match
those of the 1st set of nodes.
I start the 1st set of nodes. (ips .11, .12, .13). I start the 2nd set of nodes
(.21, .22, .23) on the other vm.
I am using UDP transport with the configurations of 'all'. I can see the
traffic taking place, but my 2nd set of nodes are unable to JOIN the 1st set of
nodes.
I know my problem exists in my UDP configuration, but that's as far as I've
gotten.
anonymous wrote : Are the 3 additional boxes in the same subnet as the others ?
-Yes, each share the same subnet addr, I simply copied the network -
configurations and only made modifications to the actual host names and ip
addrs.
anonymous wrote : Do they bind to correct addresses ? 127.0.0.1 is *not* one !
-Yes, I have the -b option included in the startup scripts of each instance
/node.
anonymous wrote : Any firewalls on ? If so, turn off to see whether the JOIN is
successful
-No, at the initial configuration of VMware server, we disabled SELinux and
any other firewall that might interfere.
anonymous wrote : Do you use VLANs ? If so, the 3 additional boxes need to be
in the same VLAN as the others. Make sure VLANs dont drop IP multicast packets
-??? How can I find out this info.
P.S. I've said this before, but just to make it clear, I am a newbie to all of
these concepts, so please work with me here.
Sorry for any stupid, obvious questions.
anonymous wrote : If nothing else works, you can always fallback to TCP:TCPPING
and
| - list your 6 nodes in TCPPING explicitly
This was my next plan, but from what I've read, there is extra network traffic
using this approach.
Oh yeah, Here is an excerpt from a node in the 1st set:
| 2007-10-31 22:55:40,984 WARN [org.jgroups.protocols.pbcast.NAKACK] 192.168
.202.11:32789] discarded message from non-member 192.168.202.21:32796, my view
is [192.168.202.11:32789|0] [192.168.202.11:32789]
| 2007-10-31 22:55:41,516 WARN [org.jgroups.protocols.pbcast.NAKACK] 192.168
.202.11:32789] discarded message from non-member 192.168.202.21:32796, my view
is [192.168.202.11:32789|0] [192.168.202.11:32789]
| 2007-10-31 22:55:48,172 WARN [org.jgroups.protocols.pbcast.NAKACK] 192.168
.202.11:32787] discarded message from non-member 192.168.202.21:32794, my view
is [192.168.202.11:32787|0] [192.168.202.11:32787]
| 2007-10-31 22:55:48,832 WARN [org.jgroups.protocols.pbcast.NAKACK] 192.168
.202.11:32787] discarded message from non-member 192.168.202.21:32794, my view
is [192.168.202.11:32787|0] [192.168.202.11:32787]
| 2007-10-31 22:55:50,509 DEBUG [org.jboss.web.tomcat.service.session
.JBossCacheManager] Looking for sessions that have expired ...
| 2007-10-31 22:55:53,055 WARN [org.jgroups.protocols.pbcast.GMS] merge
responses from subgroup coordinators <= 1 ([]). Cancelling merge
| 2007-10-31 22:55:53,056 ERROR [org.jgroups.protocols.pbcast.GMS] coords or
merge_id == null
| 2007-10-31 22:55:53,056 ERROR [org.jgroups.protocols.pbcast.GMS] coords or
merge_id == null
| 2007-10-31 22:55:55,512 WARN [org.jgroups.protocols.pbcast.GMS] merge
responses from subgroup coordinators <= 1 ([]). Cancelling merge
| 2007-10-31 22:55:55,513 ERROR [org.jgroups.protocols.pbcast.GMS] coords or
merge_id == null
| 2007-10-31 22:55:55,513 ERROR [org.jgroups.protocols.pbcast.GMS] coords or
merge_id == null
| 2007-10-31 22:56:00,514 DEBUG [org.jboss.web.tomcat.service.session
.JBossCacheManager] Looking for sessions that have expired ...
| 2007-10-31 22:56:00,590 WARN [org.jgroups.protocols.pbcast.GMS] merge
responses from subgroup coordinators <= 1 ([]). Cancelling merge
|
|
|
boolean isBad = (this.Network_traffic == "NOT GOOD") ;
System.out.print(isBad.toString());
->NOT GOOD
Thanks again : )
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