> Be warned, the tech specs page: > http://www.sun.com/servers/x64/x4500/specs.xml#anchor3 > doesn't mention RAID 10 as a possible, and this is probably what most would > recommend for fast data access if you are doing both read and write > operations. If you are doing mostly Read, then RAID 5 is passable, but it's > redundancy with large numbers of drives is not so great.
RAID10 works great on the X4500 we get 1.6GB/s + per X4500 using RAID10 in ZFS. We worked with the Sun Solaris kernel team to make that happen and the patches are part of Solaris 10 Update 3 due out in November.