Yes, network boot only has some popularity.

Each new system provisioned into a rack only needs power and ethernet.

Power cost of the compute array remains minimal, as does the MTBF per
system.  Heat cost is also lower.

Yes, everything important is kept in RAM.

Power is considered continuous.

--=20
James Cameron
http://quozl.linux.org.au/
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.