Thanks Aaron
On 7/9/13, aaron morton <aa...@thelastpickle.com> wrote: >> Can I just copy data files for the required keyspaces, create schema >> manually and run repair? > If you have something like RF 3 and 3 nodes then yes, you can copy the data > from one node in the source cluster to all nodes in the dest cluster and use > cleanup to remove the unneeded data. Because each node in the source cluster > has a full copy of the data. > > If that's not the case you cannot copy the data files, even if they have the > same number of nodes, because the nodes in the dest cluster will have > different tokens. AFAIK you need to export the full data set from the source > DC and then import it into the dest system. > > The Bulk Load utility may be of help > http://www.datastax.com/docs/1.2/references/bulkloader . You could copy the > SSTables from every node in the source system and bulk load them into the > dest system. That process will ensure rows are sent to nodes that are > replicas. > > Cheers > > ----------------- > Aaron Morton > Freelance Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 9/07/2013, at 12:45 PM, Baskar Duraikannu > <baskar.duraikannu...@gmail.com> wrote: > >> We have two clusters used by two different groups with vnodes enabled. Now >> there is a need to move some of the keyspaces from cluster 1 to cluster 2. >> >> >> Can I just copy data files for the required keyspaces, create schema >> manually and run repair? >> >> Anything else required? Please help. >> -- >> Thanks, >> Baskar Duraikannu > >
