The new IPs are not available before switch time. So I will try the all down method you mentioned.
Do I need to do any move tokens of the new IPs to the old token -1 and the removeToken of the old tokens? I ask this because the old IPs will continue to show in gossip info with a status of Normal. Rahul Neelakantan 678-451-4545 > On Jul 25, 2014, at 9:06 PM, Robert Coli <rc...@eventbrite.com> wrote: > >> On Fri, Jul 25, 2014 at 4:42 PM, Rahul Neelakantan <ra...@rahul.be> wrote: >> I am ok with taking upto 2 hours of planned downtime. The problem is all the >> IPs will change at the same time and the previous IPs will no longer be >> available. So it's either all old IPs or all new IPs. > > Are the new IPs available before switchover time? If so, you can switch to > them with a rolling restart. If not : > > 1) down entire cluster > 2) change ips in cassandra.yaml, including in seed list > 3) use auto_bootstrap:false technique, as in blog post, to bring them all back > > =Rob >
