Re: Duplicating a cluster with different # of disks

2015-08-12 Thread Gerard Maas
stableloader if your ring topology has >> changed (especially if tokens have moved) >> >> >> >> From: Gerard Maas >> Reply-To: "user@cassandra.apache.org" >> Date: Thursday, August 6, 2015 at 9:50 AM >> To: "user@cassandra.apache.org" >>

Re: Duplicating a cluster with different # of disks

2015-08-06 Thread Alain RODRIGUEZ
stream them in via sstableloader if your ring topology has > changed (especially if tokens have moved) > > > > From: Gerard Maas > Reply-To: "user@cassandra.apache.org" > Date: Thursday, August 6, 2015 at 9:50 AM > To: "user@cassandra.apache.org" > S

Re: Duplicating a cluster with different # of disks

2015-08-06 Thread Alain RODRIGUEZ
I forget to specify that you will obtain 2 DC instead of 2 cluster, the main differences are that DCs are connected through gossip and keep synced (make sure your clients are sticked to your main DC). Depending on what you want to achieve you might want 2 clusters or 2 DC. 2015-08-06 22:31 GMT+02:

Re: Duplicating a cluster with different # of disks

2015-08-06 Thread Jeff Jirsa
) From: Gerard Maas Reply-To: "user@cassandra.apache.org" Date: Thursday, August 6, 2015 at 9:50 AM To: "user@cassandra.apache.org" Subject: Duplicating a cluster with different # of disks Hi, I'm currently trying to duplicate a given keyspace on a new cluster to run s

Re: Duplicating a cluster with different # of disks

2015-08-06 Thread Alain RODRIGUEZ
Hi Gerard, You should probably add a new datacenter following this procedure : http://docs.datastax.com/en/cassandra/2.1/cassandra/operations/ops_add_dc_to_cluster_t.html You will just have to make sure to configure all the nodes of the new nodes to use mnt + mnt2 instead of mnt + mnt2 + mnt3. M

Duplicating a cluster with different # of disks

2015-08-06 Thread Gerard Maas
Hi, I'm currently trying to duplicate a given keyspace on a new cluster to run some analytics on it. My source cluster has 3 disks and corresponding data directories (mnt, mnt2, mnt3) but the machines in my target cluster only have 2 disks (mnt, mnt2). What should be the correct procedure to cop