Re: riak cluster mitosis

2012-10-24 Thread Matt Black
Hi Simon, My intention for this is to create a pre-prod test environment - so having an exact replica of the data isn't an issue. Previously I have used the riak-admin backup/restore, but the file has grown to about 70GB, and so takes around a day to backup, copy and restore into a new cluster. M

Re: riak cluster mitosis

2012-10-23 Thread Simon Vans-Colina
Hi David, Matt, We've just discussed this and its a bit tricky. For 4 servers with N=3 it is possible to stop 2 nodes, (say 3 and 4) and then send a "force-remove" command to the remaining servers (1 and 2). Then you could start (3 and 4), and send *them* a force-remove of (1 and 2). This is ris

Re: riak cluster mitosis

2012-10-18 Thread Matt Black
This is something I've been wondering about of late. It seems to me it would be useful to at least be able to tell a single node to take a whole copy of all the data and then leave the cluster. You could then start a new cluster from that node. It would (possibly) save time in backup and restores.