How to store a petabyte?

Jonathan Ellis jonathan at
Tue Feb 20 17:05:59 MST 2007

On Tue, 20 Feb 2007 16:03:52 -0800, "Jonathan Ellis"
<jonathan at> said:
> On Tue, 20 Feb 2007 16:47:08 -0700, "Ryan Byrd" <ryanbyrd at>
> said:
> > Let's say I need to store a petabyte of data. I need fast access
> > (tape/DVDs
> > aren't fast enough) and redundancy like RAID.
> > 
> > How should I do it? Initially the data will be in large (several MB)
> > binary
> > objects and could be stored as files, but eventually, it will need to be
> > placed into a relational database like Oracle.
> You're screwed.

To elaborate: storing a PB isn't hard.  Doing something useful with it
afterwards, is.  (Which is why Oracle does very good business at the
high end.)

Don't buy hardware until you have a handle on how you're going to use

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