Hi Pradeep, If you are going to copy N snapshots to N nodes you will need to make sure you have the System keyspace as part of that snapshot. The System keyspace that is local to each node, contains the token allocations for that particular node. This allows the node to work out what data it is responsible for. Further to that, if you are restoring the System keyspace from snapshots, make sure that the cluster name of the new cluster is exactly the same as the cluster which generated the System keyspace snapshots.
Regards, Anthony On 16 October 2017 at 23:28, Jean Carlo <jean.jeancar...@gmail.com> wrote: > HI, > > Yes of course, you can use sstableloader from every sstable to your new > cluster. Actually this is the common procedure. Just check the log of > cassandra, you shouldn't see any errors of streaming. > > > However, because the fact you are migrating from on cluster of N nodes to > another of N nodes, I believe you can just copy and paste your data node > per node and make a nodetool refresh. Checking obviously the correct names > of your sstables. > You can check the tokens of your node using nodetool info -T > > But I think sstableloader is the easy way :) > > > > > Saludos > > Jean Carlo > > "The best way to predict the future is to invent it" Alan Kay > > On Mon, Oct 16, 2017 at 1:55 PM, Pradeep Chhetri <prad...@stashaway.com> > wrote: > >> Hi Jean, >> >> Thank you for the quick response. I am not sure how to achieve that. Can >> i set the tokens for a node via cqlsh ? >> >> I know that i can check the nodetool rings to get the tokens allocated to >> a node. >> >> I was thinking to basically run sstableloader for each of the snapshots >> and was assuming it will load the complete data properly. Isn't that the >> case. >> >> Thank you. >> >> On Mon, Oct 16, 2017 at 5:21 PM, Jean Carlo <jean.jeancar...@gmail.com> >> wrote: >> >>> Hi, >>> >>> Be sure that you have the same tokens distribution than your original >>> cluster. So if you are going to restore from old node 1 to new node 1, make >>> sure that the new node and the old node have the same tokens. >>> >>> >>> Saludos >>> >>> Jean Carlo >>> >>> "The best way to predict the future is to invent it" Alan Kay >>> >>> On Mon, Oct 16, 2017 at 1:40 PM, Pradeep Chhetri <prad...@stashaway.com> >>> wrote: >>> >>>> Hi, >>>> >>>> I am trying to restore an empty 3-node cluster with the three snapshots >>>> taken on another 3-node cluster. >>>> >>>> What is the best approach to achieve it without loosing any data >>>> present in the snapshot. >>>> >>>> Thank you. >>>> Pradeep >>>> >>> >>> >> >
