N3V_Total_CSA_Pct

A percentage of the common storage areas above and below the 16MB line. Common storage areas are used by VTAM and other resources in your network to maintain buffers and control blocks in the CSA for z/OS systems. For performance reasons, VTAM offers some control over its use of common storage areas with the start options. Isolate the cause of the problem using diagnostic procedures outlined in the IBM z/OS Communications Server SNA Network Implementation Guide .