decommission http://www.datastax.com/docs/1.1/cluster_management#replacing-a-dead-node
On Thu, Feb 13, 2014 at 2:28 PM, Oleg Dulin <oleg.du...@gmail.com> wrote: > Here is what I am thinking. > > 1) Add the new node with token-1 of the old one and let it bootstrap. > 2) Once it bootstrapped, remove the old node from the ring > > Now, it is #2 that I need clarification on. > > Do I use "decommission" or "remove" ? How long should I expect those > processes to run ? > > Regards, > Oleg > > > > > On 2014-02-13 22:01:10 +0000, Oleg Dulin said: > > Dear Distinguished Colleagues: >> >> I have a situation where in the production environment one of the >> machines is overheating and needs to be serviced. Now, the landscape looks >> like this: >> >> 4 machines in primary DC, 4 machiens in DR DC. Replication factor is 2. >> >> I also have a QA environment with 4 machines in a single DC, RF=2 as well. >> >> We need to work with the manufaturer to figure out what is wrong with the >> machine. The proposed course of action is the following: >> >> 1) Take the faulty prod machine (lets call it X) out of production. >> 2) Take a healthy QA machine (lets call it Y) out of QA >> 3) Plug QA machine into the prod cluster and rebuild it. >> 4) Plug prod machine into the QA cluster and leave it alone and let the >> manufacturer service it to their liking until they say it is fixed, at >> which point we will just leave it in QA. >> >> So basically we are talking about replacing a dead node. >> >> I found this: http://www.datastax.com/documentation/cassandra/1.2/ >> webhelp/index.html#cassandra/operations/ops_replace_node_t.html >> >> I am not using vnodes, just plain vanilla tokens and RandomPartitioner. >> So that procedure doesn't apply. I need some help putting together a >> step-by-step checklist what I would need to do. >> > > > -- > Regards, > Oleg Dulin > http://www.olegdulin.com > > >
