Patricia,

My first guess would be that your group communication setup does not work. Are you sure that controllers are talking to each other? During the startup phase, does it say that you have 2 controllers in the cluster after starting controller 2?

Best,
Emmanuel

I am using Sequoia 2.10.9. The configuration I have is:
2 controllers with 2 MySQL backends each, and one recovery db for each controller. For the group communication, I am using Appia, TCP sequencer.

While the application is running, I noticed that the backends are not fully replicated amongst each other. So, controller1 backends are out of sync with controller2 backends. Also, the recovery dbs are out of sync with each other.

Can anybody give me an idea of what this would happen?
I want to mention that while I am having this issue (backends being out of sync), also, I see the lock error on backends. Not sure if the lock error is due to the dbs not being fully replicated.

Thanks,
Patricia

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--
Emmanuel Cecchet - Research scientist
EPFL - LABOS/DSLAB - IN.N 317
Phone: +41-21-693-7558

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