ZFS, OpenSolaris, Nexenta -- eating my words

Jonathan Ellis jonathan at carnageblender.com
Sat Nov 19 12:49:10 MST 2005


On Sat, 19 Nov 2005 12:39:13 -0600, "Michael Halcrow" <mike at halcrow.us>
said:
> Slide 19 is just ridiculous. They totally misapplied Moore's Law to
> justify their 128-bit address space design decision; those who
> actually read Moore's paper would know that Moore's Law actually
> refers to the density of functional components on silicon devices, not
> the density of magnetic domains on hard disk platters. They are
> entirely different technologies with entirely different trends.

You're right -- but hard disk capacity is increasing _faster_ than
transistor density.

> I agree that we could do better, and ZFS looks like a step in the
> right direction, but I would be skeptical of any suggestion that it is
> the best alternative we have at the moment.

True, but I would be even more skeptical that <competing IBM technology>
is "the best."

-Jonathan
-- 
C++ is history repeated as tragedy. Java is history repeated as farce.  --Scott McKay




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