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[ale] Extended or Global Clustering

thanks I'll do some reading.

----- Original Message ----
From: Greg Freemyer <greg.freemyer at gmail.com>
To: Atlanta Linux Enthusiasts <ale at ale.org>
Sent: Wednesday, November 21, 2007 7:05:21 PM
Subject: Re: [ale] Extended or Global Clustering

The Linux-HA team occasionally discusses split-clusters, but I don't
remember much detail being available there.

HP used to have a consulting group dedicated to it.  They call them
Disaster Tolerant Clusters or Disaster Tolerant Solutions.  That may
still exist. Been a few years since I was involved in that world.

Anyway, HP has a couple Linux DT pages at
and http://h71028.www7.hp.com/enterprise/cache/4172-0-0-0-121.html

And HP published a HP-UX based book about it 5 or 6 years ago:


On Nov 21, 2007 4:14 PM, Kevin O'Neill Stoll <kevinostoll at yahoo.com>
> Hey everyone,
> I'm searching for whitepapers, books and/or people resources to learn
 more about extended or global clusters. I'm more interested in the
 "meat and potatoes" of the handful of ways people have accomplished this.
 I know Weather Channel Interactive and Dell.com offer this type of
 clustering model, but they are under NDA agreements - so no dice.
> In my search I have found many books and resources that like to talk
 about datacenter (layer 1 and 2) type issues for managing a cluster
 (automation of bulids, config and patch management), discussions about
 commodity hardware versus "big iron" or the like and various product
 choices. I suppose what I'm hoping for is practical "hands-on" knowledge of
 how such a setup was done from each layer of the puzzle ( network,
 storage, systems, load balancing, database, application servers )
> Seems the 1st thing that comes to mind when you mention this is,
 start with dark fibre and work up from there but I'm sure there are other
 variations to accomplishing this goal. As opposed to actual
 configurations, I guess I'm focusing on the high level architecture choices -
 realizing you shouldn't forget to deal with individual applications which
 respect to how intelligent they are or which frameworks they use (think
 EJB or ESB models) but that's a whole other can of worms.
> Thanks for the help and listening to me ramble.
> Kevin Stoll
> "Some people are like slinkies - they don't serve much purpose, but
 they make you smile when you tumble them down the stairs"
> Be a better pen pal.
> Text or chat with friends inside Yahoo! Mail. See how.
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Greg Freemyer
Litigation Triage Solutions Specialist
First 99 Days Litigation White Paper -

The Norcross Group
The Intersection of Evidence & Technology
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