On 20 August 2010 19:48, Ed Donahue <liberaled at gmail.com> wrote: > We are currently running CentOS 5 update 4 on a Dell R910 server 16 > cores/32 hyperthreaded with 64GB of memory. It is our main Oracle 11g > DB server for one of our customers and is attached to an MD 3000 > storage array. We are having a load averaging around 5 but see no swap > in use, CPUs are pretty much idle and no I/O wait. We have Oracle That's a high load average. What's top/nmon reporting? Run nmon with -t -f -s 10 -c 180 to collect half an hours worth of data and put it through the analyser. It should give you a good idea of what's happening on your server. Are your servers purely Oracle servers or are they also serving other software? Any slow NFS mounts? -- Hakan (m1fcj) - http://www.hititgunesi.org