On November 9, 2007, Vivek Khera <khera@xxxxxxxxxxx> wrote: > On Nov 8, 2007, at 3:56 PM, Alan Hodgson wrote: > > You can't touch RAID 10 for performance or reliability. The only > > reason to > > use RAID 5 or RAID 6 is to get more capacity out of the same > > drives. > > Maybe you can't, but I can. I guess I have better toys than you :-) > OK, I'll bite. Name one RAID controller that gives better write performance in RAID 6 than it does in RAID 10, and post the benchmarks. I'll grant a theoretical reliability edge to RAID 6 (although actual implementations are a lot more iffy), but not performance. -- The ethanol craze means that we're going to burn up the Midwest's last six inches of topsoil in our gas-tanks. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match