I¹ve not used it myself, but Oracle has a tool called ORION for testing I/O systems by creating a simulated database workload. It might do what you want. You can get it from OTN: http://www.oracle.com/technology/software/tech/orion/index.html On 11/18/2005 8:57 AM, Daiminger, Helmut wrote: > Hi! > > We need to test the maximum I/O throughput of our SAN storage system and > therefore need an Oracle database to generate so much load that there is an > I/O bottleneck. Does anybody out there have open source tools or Oracle > scripts for that? > > This is 9.2 on HP-UX 11i and EMC Clariion. > > Thanks, > Helmut --------------- Jason Heinrich Oracle Database Administrator Pensacola Christian College (850) 478-8496 x2509 jheinrich@xxxxxxxx