An an old machine - model "9000/800/rp4440 " (4 PA-RISC 8800 processors (1000 MHz, 64 MB)) with 16GB we have upgraded HPUX from 11.23 to 11.31 - Veritas from 3.5 to 4.1. Now, from time to time we have system with very high response time. Basically,...