Hi all not sure where to ask this question but here it goes. I have been playing with Hadoop for a while now in a test environment before we setup and deploy a productions environment. I am using Hadoop 0.20.0 on Ubuntu 10.04 LTS install on Dell 1950's currently.
My question is what raid should I be using for my data nodes? I haven't come across anything that clearly spells it out I have used raid1 and then EXT4 filesystem but I know this isn't right after further research but not sure what do do. I will be setting up 3 masters in a cluster which I will raid out. And roughly 10 datanodes running hdfs and hbase and a separate zookeeper cluster. Any thoughts or recommendations on the clustering would be much appreciated. Thanks, Joe
