> so, basically, my question is: Is there a way to quickly or permanently
> disable the write cache on every disk in an X4540?

Hmmm... the only idea I have is to see how format(1M) does it and
steal the code to write a small disable-cache tool. :-)

Have a look at uscsi(7I) and specifically the ca_write_disable()
routine in

  
http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/format/menu_cache.c


HTH -- Volker
-- 
------------------------------------------------------------------------
Volker A. Brandt                  Consulting and Support for Sun Solaris
Brandt & Brandt Computer GmbH                   WWW: http://www.bb-c.de/
Am Wiesenpfad 6, 53340 Meckenheim                     Email: v...@bb-c.de
Handelsregister: Amtsgericht Bonn, HRB 10513              Schuhgröße: 45
Geschäftsführer: Rainer J. H. Brandt und Volker A. Brandt
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