Greg, See Note Note:163763.1 Diagnosing Oracle memory on Sun Solaris using PMAP on Metalink. alvaro At this point we've opened a SR with Oracle to followup on the outage itself, but I need to be able to provide an alternate (useful) command for determining memory usage at the OS level next time this sort of thing comes up. Thanx! -- "I'm too sexy for my code." - Awk Sed Fred.