Re: 2 nodes cassandra cluster raid10 or JBOD

2013-12-12 Thread cem
Thanks! On Wed, Dec 11, 2013 at 9:37 PM, Aaron Morton wrote: > If you have two nodes, and RF 2, you will only be able to use eventual > consistency. If you want to have stronger consistency and some redundancy 3 > nodes is the minimum requirement. > > In the current setup, with only 2 nodes, I w

Re: 2 nodes cassandra cluster raid10 or JBOD

2013-12-11 Thread Aaron Morton
If you have two nodes, and RF 2, you will only be able to use eventual consistency. If you want to have stronger consistency and some redundancy 3 nodes is the minimum requirement. In the current setup, with only 2 nodes, I would use RAID 10 as it requires less operator intervention and there

Re: 2 nodes cassandra cluster raid10 or JBOD

2013-12-11 Thread Veysel Taşçıoğlu
Hi, What about using JBOD and replication factor 2? Regards. On 11 Dec 2013 02:03, "cem" wrote: > Hi all, > > I need to setup 2 nodes Cassandra cluster. I know that Datastax > recommends using JBOD as a disk configuration and have replication for the > redundancy. I was planning to use RAID 10

2 nodes cassandra cluster raid10 or JBOD

2013-12-10 Thread cem
Hi all, I need to setup 2 nodes Cassandra cluster. I know that Datastax recommends using JBOD as a disk configuration and have replication for the redundancy. I was planning to use RAID 10 but using JBOD can save 50% disk space and increase the performance . But I am not sure I should use JBOD wit