Hi Everyone, I am having some SQL performance issues. I am running RAID 5 on HP G2 Cluster array controller. I know RAID 1+0 is much better for performance, but we didnt have the budget. IO's might not be related to my SQL performance problems. CPU is always at idle. My question is; Monitoring my IO Data bytes/sec I am sometimes averaging 249732.860, most the time I average 12000.000 - 20000.000. Do you know what acceptable IO's would be for a RAID 5 configuration with 15k drives? This is on a 2003 SQL Cluster. Thanks!