Hi Bonnie, Joe's company (active on this list) has some interesting stuff in this space and they know a heck of a lot about disk and storage I/O optimization -- http://jackrabbit.scalableinformatics.com/. I'm looking at the 3U version for internal use myself. -Chris On Sep 28, 2007, at 2:42 PM, Bonnie Hurwitz wrote: > Hi all, > > I was just wondering if anyone has a recommendation for mid-range > storage. We need to purchase a storage server for our cluster to > act as a mySQL database server that has around 32 terabytes of disk > space utilizing Raid10. Also, we are looking for fast disks and a > 10-20Gb card since this is meant for a database server and we want > to try to minimize resource contention from writing to the db > server from the nodes. We currently have 500 nodes on our cluster. > > What are people currently using for similar database servers? What > has the performance been like when writing to the databases from > compute nodes? > > What other options are out there? > > Also, we need to minimize rack space. We currently have about 7U > of space we can use at the moment.