Cool new toy

[Dustin Decker]

On Wed, 31 Jul 2002, david nicol wrote:

> It is asked how do you back up a 200G hard drive?
> 
> The serious answer is, you don't.  Tape backup is a 
> relic of the days when it made sense.  It no longer makes
> sense.  The new paradigm, for the last several years and
> into the future, is RAID, or if not configuring your large
> drives into RAID arrays, getting multiple ones and backing them
> up onto each other.
> 
> For instance, you can have two 200G drives and back each, except
> for the "backups" directory, onto the FS on the other one.  With
> compression and a full/incremental backup strategy, you wind up with
> usable capacity that depends on the compressability of your data :)

Be sure not to forget central points of failure in this methodology - 
such as placing each drive an a separate controller, blah blah blah.

I think the sales droid lingo used for a lot of these things is SAN.
Dustin

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