In a message dated 4/18/2007 1:30:38 P.M. Central Daylight Time, [EMAIL PROTECTED] writes: >Are you sure, John? I seem to remember that CFW was boxen-wide, but DASDFASTWRITE (DFW) was logical-device-wide. The 3990/9390 reference manual, under the topic Set Subsystem Mode command, shows the following functions for CFW and DFW that can be controlled by this command: Cache Fast Write for the whole subsystem DASD Fast Write for a device. No more, no less. There are other options pertaining to caching in general and NVS, but those functions are not in question. Bill Fairchild Plainfield, IL
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