Threshold rattling speed not only depends upon the frequency and amplitude of the errors of a gear pair, but also time-varying meshing stiffness and their combination frequency.

Goldsmith said that most second-generation, or 2G, cell phones use a combination of time division and frequency division.

Then use RUNSTATS to monitor the level of disorganization of the data, and in combination with your desired frequency of running REORG, adjust the PCTFREE up or down as necessary.