Spreading the WORK load

I found a handy tip from Rafi in the discussion Allocating SAS WORK Libraries Dynamically in SAS 9.2 in the LinkedIn group SAS Architects/Administrators/Implementation Specialist. It explains how to use a variation on the SAS system option WORK= to spread work libraries over a number of I/O paths using either random or available space methods. This can potentially help you improve I/O performance for work libraries en-masse, and/or get access to more available space, by spreading those work libraries over a number of different devices.

This usage of the WORK= SAS system option is documented in a number of places: