Simplest way of all, if you are using RF>=2 simple terminate the old instance and create a new one.
Cheers. On 13-06-2017 18:01, Rutvij Bhatt wrote: > Nevermind, I misunderstood the first link. In this case, the > replacement would just be leaving the listen_address as is (to > InetAddress.getLocalHost()) and just start the new instance up as you > pointed out in your original answer Hannu. > > Thanks. > > On Tue, Jun 13, 2017 at 12:35 PM Rutvij Bhatt <rut...@sense.com > <mailto:rut...@sense.com>> wrote: > > Hannu/Nitan, > > Thanks for your help so far! From what you said in your first > response, I can get away with just attaching the EBS volume to > Cassandra and starting it with the old node's private IP as my > listen_address because it will take over the token assignment from > the old node using the data files? With regards to "Cassandra > automatically realizes that have just effectively changed IP > address.", it says in the first link to change this manually to > the desired address - does this not apply in my case if I'm > replacing the old node? > > As for the plan I outlined earlier, is this more for DR scenarios > where I have lost a node due to hardware failure and I need to > recover the data in a safe manner by requesting a stream from the > other replicas? Am I understanding this right? > > > On Tue, Jun 13, 2017 at 11:59 AM Hannu Kröger <hkro...@gmail.com > <mailto:hkro...@gmail.com>> wrote: > > Hello, > > So the local information about tokens is stored in the system > keyspace. Also the host id and all that. > > Also documented here: > > https://support.datastax.com/hc/en-us/articles/204289959-Changing-IP-addresses-in-DSE > > If for any reason that causes issues, you can also check this: > https://issues.apache.org/jira/browse/CASSANDRA-8382 > > If you copy all cassandra data, you are on the safe side. Good > point in the links is that if you have IP addresses in topolgy > or other files, then update those as well. > > Hannu > > On 13 June 2017 at 11:53:13, Nitan Kainth (ni...@bamlabs.com > <mailto:ni...@bamlabs.com>) wrote: > >> Hannu, >> >> "Cassandra automatically realizes that have just effectively >> changed IP address” —> are you sure C* will take care of IP >> change as is? How will it know which token range to be >> assigned to this new IP address? >> >>> On Jun 13, 2017, at 10:51 AM, Hannu Kröger >>> <hkro...@gmail.com <mailto:hkro...@gmail.com>> wrote: >>> >>> Cassandra automatically realizes that have just effectively >>> changed IP address >>
