HP StorageWorks 2/140 embedded web server user guide - Page 86
Port Statistics tab view, Troubleshooting Tip for Port Stats, Parts of Statistics Tables
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Monitoring Products Figure 5-2: Port Statistics tab view Troubleshooting Tip for Port Stats As a general rule, you should clear all the counters by choosing Clear Port Stats or Clear All Port Stats after you have resolved a problem. When troubleshooting, keep track of the time interval when errors accumulate to judge the presence and severity of a problem. (There is a link recovery hierarchy implemented in Fibre Channel to handle some level of "expected anomalies.") For troubleshooting purposes, you want to focus on when the errors, as displayed in the Counter column, increment very quickly. Parts of Statistics Tables The tables of statistics contain the following columns: • Statistics - Type of statistic being tracked. • # of Wraps - Number of times the Counter value wraps, for statistics that grow rapidly. The maximum value that either the Counter or the # of Wraps can hold is 232, or 4,294,967,296. Each time the Counter field reaches the maximum value of 232, the wrap count is incremented by 1. • Counter - Number of instances of the tracked item recorded since system initialization or the last time the counters were cleared. 5-4 embedded web server user guide
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