Re: More Migration Questions

I'd still be interested in an answer from the Basho folk regarding the product questions. Putting to one side the "how" for now, *should* Riak be able to satisfy any or all those three scenarios? Regards, Martin. On 13 November 2012 23:34, Shane McEwan wrote: > G'day Tom and Matt. Thanks for yo

Re: More Migration Questions

G'day Tom and Matt. Thanks for your suggestions. Even though our two cluster networks are separate it would theoretically be possible to have nodes from the new cluster join the old cluster and migrate data that way. However, we would prefer to leave the old cluster untouched as much as possib

Re: More Migration Questions

I still haven't really gotten to the bottom of the best way to do this (short of paying for MDC

Re: More Migration Questions

Hi Tom I'd be very interested to know if Shane's approach should work, or if you know of any good reason why that approach would cause issues. Also, aren't there several very real business use cases here that users of Riak will inevitably encounter, and must be able to satisfy? Shane mentions two

Re: More Migration Questions

Hi Shane, I'm sorry for the delay on this. Over the weekend I was working to replicate your setup so I can answer your question from experience. Alas, time got the best of me and I have not yet finished. That said, I'm inclined to suggest upgrading riak on your current cluster first and then usin

Re: More Migration Questions

Anyone? Beuller? :-) Installing Riak 1.1.1 on the new nodes, copying the data directories from the old nodes, issuing a "reip" on all the new nodes, starting up, waiting for partition handoffs to complete, shutting down, upgrading to 1.2.1 and starting up again got us to where we want to be. B

Re: More Migration Questions

OK, I've managed to answer one of my own questions: QUESTION: The new nodes don't own any of the partitions in the data directory. What does it do? ANSWER: The nodes won't start. They crash with: {"Kernel pid terminated",application_controller,"{application_start_failure,riak_core,{bad_return,