Hi,
On Feb 21, 2007, at 10:50 , Christopher Hartung wrote:
In the near future we want to use sequoia as a productive solution.
To look ahead to have a "update to date" solution we plan to use
Sequoia 3. When i was testing Sequoia 2 i used jgroups for group-
communication and it works fine. For version 3 we use the new
implemented appia-group-communication-protocol. The configuration
of the cluster was easy and works fine.
Just for clarification, Appia exists some time ago (since 1998). The
novelty about Appia is that it started to be distributed under the
Apache 2.0 open source license and hosted by the continuent.org
Forge :-)
controllers which information is right. But if i create a dump of
"DB-Node 1" after few minutes the first Controller throw this error/
info-messages (i replaced the ip with the nicknames above):
2007-02-19 09:43:47,593 INFO continuent.hedera.gms Member(address=/
DB-Node-2:32790, uid=DB-Node-2:32790) failed in Group(gid=xstamm)
2007-02-19 09:43:47,593 INFO continuent.hedera.gms Member(address=/
DB-Node-2:32790, uid=DB-Node-2:32790) failed in Group(gid=xstamm)
2007-02-19 09:43:47,607 WARN controller.virtualdatabase.xstamm
Unable to find remote controller name for member Member(address=/DB-
Node-2:32790, uid=DB-Node-2:32790) in list {Member(address=/DB-
Node-1:32790, uid=DB-Node-1:32790)=DB-Node-1:1090}
2007-02-19 09:43:47,608 INFO controller.virtualdatabase.xstamm 1
requests were waiting responses from Member(address=/DB-
Node-2:32790, uid=DB-Node-2:32790)
So for my opinion the seconde DB-Node is leaving the Cluster. When
the Dump-creation is finished the DB-Node 2 isn't joinig the
cluster again.
Does this happen during the dump?
Can you turn on the DEBUG mode on hedera channel and gms and post it
(also) to the Appia mailing list?
Do you know this problem? Did you know a solution? Maybe i can post
my config-data to find my problem! :)
Yes, this would also help to see what is happening.
Thanks for your feedback,
--
Nuno Carvalho
University of Lisbon, Portugal
http://dialnp.di.fc.ul.pt
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