Thanks a lot Rob. On another thought I could also try copying the data of my keyspace alone from one node to another node in the new cluster (I have both the old and new clusters having same nodes DC1:6,DC2:6 with same tokens) with the same tokens.
Would there be any risk of the new cluster getting joined to the old cluster probably if the data inside keyspace is aware of the original IP's etc. Is this recommended? Regards, Shubham ________________________________________ From: Rob Coli [rc...@palominodb.com] Sent: Thursday, April 26, 2012 11:42 PM To: user@cassandra.apache.org Subject: Re: Taking a Cluster Wide Snapshot > I copied all the snapshots from each individual nodes where the snapshot > data size was around 12Gb on each node to a common folder(one folder alone). > > Strangely I found duplicate file names in multiple snapshots and > more strangely the data size was different of each duplicate file which lead > to the total data size to close to 13Gb(else have to be overwritten) where > as the expectation was 12*6 = 72Gb. You have detected via experimentation that the namespacing of sstable filenames per CF per node is not unique. In order to do the operation you are doing, you have to rename them to be globally unique. Just inflate the integer part is the easiest way. https://issues.apache.org/jira/browse/CASSANDRA-1983 =Rob -- =Robert Coli AIM>ALK - rc...@palominodb.com YAHOO - rcoli.palominob SKYPE - rcoli_palominodb
